Purity | Size | Price | VIP Price | USA Stock *0-1 Day | Global Stock *5-7 Days | Quantity | |||||
{[ item.p_purity ]} | {[ item.pr_size ]} |
{[ getRatePrice(item.pr_usd, 1,1) ]} {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate) ]} |
{[ getRatePrice(item.pr_usd, 1,1) ]} | {[ getRatePrice(item.pr_usd,item.pr_rate,item.mem_rate) ]} {[ getRatePrice(item.pr_usd,1,item.mem_rate) ]} | {[ item.pr_usastock ]} | Inquiry - | {[ item.pr_chinastock ]} | Inquiry - |
* Storage: {[proInfo.prStorage]}
CAS No. : | 58743-83-2 | MDL No. : | MFCD00671954 |
Formula : | C13H11BrO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 263.13 g/mol | Pubchem ID : | - |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P233-P260-P261-P264-P271-P280-P302+P352-P304-P304+P340-P305+P351+P338-P312-P321-P332+P313-P337+P313-P340-P362-P403-P403+P233-P405-P501 | UN#: | |
Hazard Statements: | H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
![]() |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | Stage #1: 4-bromo-4'-methoxylbiphenyl With n-butyllithium In tetrahydrofuran; hexane at -76℃; for 0.666667h; Stage #2: Diethyl carbonate In tetrahydrofuran; hexane at 25℃; for 1h; Inert atmosphere; | Synthesis of 26 n-BuLi (2.7M solution in hexane, 1.5 mL, 1.1 equiv) was added over 10 min to a solution of 25 (0.90 g, 3.4 mmol) in dry THF (15 mL) at -76 °C. The reaction was allowed for 40 min. A solution of diehtylcarbonate (0.13 mL, 1.1 mmol) in dry THF (2 mL) was dropwised to the reaction mixture. And then the reaction mixture was stirred at room temperature for 1 h under Ar. The solution was poured into brine (10 mL) and CHCl3 (20 mL). Aqueous layer was extracted with CHCl3 for two times. The combined organic layer was washed with water and dried over MgSO4. A residual liquid was purifiedby column chromatography (EtOAc/Hex = 1/5) to give the compound 26 (0.51 g, 81%). |
With sodium; benzene |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With potassium carbonate; In N-methyl-acetamide; water; | Part A: To a solution of 12.4 grams (5.0 mmol) of 4-(4'-bromophenyl)phenol in 50 mL of dimethylformamide was added 10.1 grams of potassium carbonate followed by 10.51 grams of iodomethane and this stirred at room temperature for 48 hours. The solution was diluted with 400 mL of water and extracted with ethyl acetate. The organics were dried over magnesium sulfate filtered and concentrated to yield 14.1 grams of crude product. Purification by recrystallization from ethyl acetate hexane gave 8.2 grams of 4-(4'-bromophenyl)anisole as a white crystalline solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
95% | Stage #1: 4-bromo-4'-methoxylbiphenyl With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 2h; Stage #2: chloro-trimethyl-silane In tetrahydrofuran; hexane at 20℃; for 4h; Further stages.; | |
(i) nBuLi, Et2O, benzene, (ii) /BRN= 1209232/; Multistep reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
60% | With tetrakis(triphenylphosphine) palladium(0); silver(l) oxide In tetrahydrofuran at 60℃; for 36h; | |
60% | With silver(l) oxide In tetrahydrofuran at 60℃; for 36h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
67% | Stage #1: 4-bromo-aniline With tert.-butylnitrite; boron trifluoride diethyl etherate In methanol at 0℃; for 0.5h; Schlenk technique; Stage #2: 4-methoxyphenylboronic acid In methanol at 0 - 60℃; for 5h; Schlenk technique; | |
65% | Stage #1: 4-bromo-aniline With tert.-butylnitrite; boron trifluoride diethyl etherate at -15 - 5℃; for 0.583333h; Stage #2: 4-methoxyphenylboronic acid With (R,R)-N,N'-(2-MeC6H4)2-N,N'-(cyclohexane-1,2-diyl)thiourea In methanol at 20℃; for 4h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 30% 2: 22% | With disodium[(N,N’-bis(2-hydroxy-5-sulfonatobenzyl)-1,2-diphenyl-1,2-diaminoethano)palladate(II)]; caesium carbonate In water at 80℃; for 1h; | Catalysis experiments and gas chromatographic analysis of the reaction mixtures General procedure: Stock solutions of the catalysts (Na2[Pd(HSS)], Na2[Pd(PrHSS)], Na2[Pd(BuHSS)],Na2[Pd(dPhHSS)], rac-Na2[Pd(CyHSS)], Na2[Pd(cis-CyHSS)]) Na2[Pd(trans-CyHSS)]) were prepared by dissolving 5.0×10-7 mol complex in 6 mL water. In general, 0.5 mmol aryl-halide, 0.75 mmol boronic acid derivative (1.5 mmol in the reactions of aryl-dihalides), and 0.5 mmolbase (Cs2CO3) were used in each reaction. Good quality distilled water was used as solvent, the organic phase was comprised of the substrates. 3 mL of water was used in each reaction. The reactions were carried out at 80 °C in 30-120 min reaction time. At the end of the reactions, the mixtures were allowed to cool to room temperature and then were extracted by chlorofom (2 mL). After separation of the phases (15-20 min) the organic phase was removed by a Pasteur pipette and filtered through a short MgSO4 plug. |
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In methanol; toluene Heating; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sodium t-butanolate In toluene at 80℃; for 48h; | 1.19 Example 1.19; Preparation of (4-Bromo-2-methyl-2H-pyrazol-3-yl)-(4'-methoxy-biphenyl-4-yI)-amine(Compound 13).A 20-mL scintillation vial was charged with 4'-bromo-4-methoxy-biphenyl (263.1 mg, 1 mmol), 3-amino-4-bromo-2-methyl pyrazole (176.0 mg, 1 mmol), sodium fert-butoxide (134.5 mg, 1.4 mmol), tris(dibenzylideneacetone)dipalladium(0) (45.8 mg, 0.05 mmol), BESfAP (62.3 mg, 0.1 mmol) and toluene (2 mL) under nitrogen atmosphere. The reaction mixture was heated at 800C for 48 hours. It was then allowed to cool to room temperature, taken up in ether/ethyl acetate, filtered and concentrated. The crude material was subjected to column chromatography on silica gel (Biotage, eluent hexanes/ethyl acetate 70/30) to afford Compound 13 as a yellow solid. LCMS m/z (%) = 358 (M+H 79Br, 100), 360 (M+H 81Br, 98). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | With caesium carbonate In water; N,N-dimethyl-formamide at 20℃; Inert atmosphere; | General procedure for Suzuki cross coupling reaction General procedure: The Suzuki coupling reactions were carried out in a test tube (13 mm) using an organic synthesizer. Aryl iodides, bromides and chlorides (0.1 mmol) base (150 mol%), arylboronic acid (0.15 mmol) and Pd catalysts 3-5 atom% were placed in a test tube. The argon gas was supplied from the balloon with argon exchange 2 times without degassing. Solvent was added and stirred at 1000 rpm at specified temperature for the desired time. Completion of the reaction was monitored by TLC. After completion, the reaction was cooled and quenched by 1M HCl, extract with EtOAc. The organic layer was evaporated, dried and the yields were reported as NMR or isolated yield after purification by silica gel column chromatography (eluted with EtOAc/Hexane). The products were confirmed by 1H NMR spectra and mass comparing with the pure, commercially available compounds and reported NMR in the literature which exactly matched with the reported values.1-18 |
95% | With sodium carbonate In 1-methyl-pyrrolidin-2-one at 100℃; for 8h; Inert atmosphere; | |
84% | With potassium fluoride In toluene at 80℃; for 3.5h; |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; N,N-dimethyl-formamide at 110℃; Inert atmosphere; Sealed tube; | General procedure: To a solution of 4-Methylphenylboronic acid (2.8g,21mmol) in DMF/water (v/v, 1:1) was added 1-bromo-4-iodobenzene (4g, 14mmol) , Tetrakis (triphenylphosphine)palladium (0.8g, 0.7mmol) and K2CO3 (5.8g, 42mmol), themixture was stirred at 110oC in a sealed tube under N2 over night. The reaction mixture was cooled and poured into an ice-wate rmixture solution, filtering to get solid material. The residue was purified by column chromatography on silica gel (petroleum ether) to yield the title compound |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
90% | With palladium diacetate at 20℃; for 3h; Green chemistry; | |
82% | With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In methanol; toluene for 12h; Reflux; Inert atmosphere; regiospecific reaction; | 4.2.1. 4-Bromo-4'-methoxybiphenyl (4)23 The reaction was carried out by following the reflux-12 h procedure, using p-dibromobenzene (2, 0.50 g, 2.12 mmol), 4-methoxyphenyl boronic acid (3a, 0.22 g, 1.41 mmol), cesium carbonate (0.92 g, 2.82 mmol), Pd(PPh3)4 (0.13 g, 0.11 mmol), toluene (20 mL), and methanol (10 mL). Compound 4 was isolated by column chromatography (silica gel, cyclohexane/AcOEt 8/2) as a white solid (0.31 g, 82% yield), mp: 143-145 °C; 1H NMR (400 MHz, CDCl3) δ: 7.53 (dd, 4H, J=7.6, 8.8 Hz, ArH), 7.40 (d, 2H, J=8.3 Hz, ArH), 6.97 (d, 2H, J=8.8 Hz, ArH), 3.84 (s, 3H, OCH3) ppm; MS m/z (%): 264 (M+, 0.2), 262 (0.2), 184 (100), 169 (47), 152 (5). |
80% | Stage #1: 1.4-dibromobenzene With 3,3’-(pyridine-2,6-diylbis(1H-imidazole-3-ium-1,3-diyl))bis(propane-1-sulfonate); palladium diacetate; potassium carbonate In water; acetonitrile at 30℃; for 0.166667h; Inert atmosphere; Schlenk technique; Stage #2: 4-methoxyphenylboronic acid In water; acetonitrile at 20℃; for 12h; Inert atmosphere; Schlenk technique; |
80% | With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In methanol; toluene at 100℃; for 16h; Inert atmosphere; | 18.A Step A: Step A: 4-bromo-4'-methoxy-1,1'-biphenyl To a solution of (4-methoxyphenyl)boronic acid (5 g, 32.9 mmol) in toluene/MeOH (200 mL/100 mL) was added 1,4-dibromobenzene (11.6 g, 49.4 mmol), Pd(PPh3)4 (1.9 g, 1.65 mmol) and Cs2CO3 (21.4 g, 65.8 mmol). The resulting solution was stirred at 100° C. for 16 hours under N2 atmosphere. TLC showed the reaction was completed. After cooled to room temperature, the reaction mixture was diluted with 50 mL of EA, washed with water, brine. The organic phase was dried over anhydrous sodium sulfate and concentrated in vacuo. The residue was purified by chromatography column to afford 4-bromo-4'-methoxy-1,1'-biphenyl (7.0 g, 80% yield). LCMS (ES+): m/z 263.1 [M+H]+. |
80% | With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In methanol; toluene at 100℃; for 16h; Inert atmosphere; | A Step A: 4-bromo-4'-methoxy-1,1'-biphenyl To a solution of (4-methoxyphenyl)boronic acid (5 g, 32.9 mmol) in toluene/ MeOH (200 mL/100 mL) was added 1,4-dibromobenzene (11.6 g, 49.4 mmol), Pd(PPh3)4 (1.9 g, 1.65 mmol) and Cs2CO3 (21.4 g, 65.8 mmol). The resulting solution was stirred at 100 °C for 16 hours under N2 atmosphere. TLC showed the reaction was completed. After cooled to room temperature, the reaction mixture was diluted with 50 mL of EA, washed with water, brine. The organic phase was dried over anhydrous sodium sulfate and concentrated in vacuo. The residue was purified by chromatography column to afford 4-bromo-4'-methoxy-1,1'-biphenyl (7.0 g, 80% yield). LCMS (ES+): m/z 263.1 [M+H]+. |
69% | With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In toluene at 90 - 100℃; for 14h; Inert atmosphere; | |
67% | With potassium hydroxide In water at 60℃; for 10h; | |
34% | With palladium diacetate; caesium carbonate; triphenylphosphine In toluene at 110℃; for 16h; Inert atmosphere; | |
Stage #1: 1.4-dibromobenzene; 4-methoxyphenylboronic acid With tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran for 0.25h; Inert atmosphere; Stage #2: With sodium carbonate In tetrahydrofuran; 1,2-dimethoxyethane; water at 70℃; for 12h; Inert atmosphere; | Synthesis of 25 Under an argon atmosphere 19 (2.0 g, 13.1 mmol), 1,4-dibromobenzene (6.2 g, 26.3 mmol, 2 eq.) and Pd(PPh3)4 (0.23 g, 0.2 mmol) were dissolved in dry THF (44 mL, 0.3 M). After stirring for 15 min, a solution of Na2CO3 (5.58 g, 52.6 mmol) in H2O (14 mL, 60 eq.) was added to the reaction mixture. And then some droplets of ethylene glycol were added to the mixture and heated to 70 °C for 12 h. After cooling to room temperature, the mixture was filtered through celite using ethyl acetate. The resulting organic layer was washed with saturated aqueous solution of ammonium chloride and brine. The combined organic layers were dried over anhydrous MgSO4 and evaporated under reduced pressure. The crude product was suspended in boiling ethanol (60 mL) and filtered while being hot. (Gray filter cake was obtained). Residual filtrate was crystallized by cold EtOH. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
39% | Stage #1: 4-bromo-4'-methoxylbiphenyl With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: 1-[1H-imidazol-4(5)-yl]-2-methylpropan-1-one In tetrahydrofuran; hexane at -78 - 20℃; Stage #3: With water; ammonium chloride In tetrahydrofuran; hexane | 4.1. General procedure for method A and 1-[1,1'-biphenyl]-3-yl-1-(1H-imidazol-4-yl)-2-methyl-1-propanol (5) General procedure: n-BuLi in hexane (1.6 M; 6.4 mL, 10.2 mmol) was added to a cooled (-78 °C) solution of 2a (2.11 g, 9.05 mmol) in THF (30 mL) and the mixture was stirred at -78 °C for 1 h. A solution of 4 (400 mg, 2.89 mmol) in THF (10 mL) was added to the mixture and the solution was allowed to warm to rt. The reaction was quenched with aqueous NH4Cl solution and the aqueous phase was extracted with AcOEt. The extract was dried over MgSO4 and concentrated under reduced pressure. The residue was chromatographed on silica gel (CH2Cl2/MeOH = 20:1) and recrystallized from AcOEt-hexane to give 5 (450 mg, 1.54 mmol, 53%) as a colorless powder. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
97% | With potassium carbonate; palladium dichloride In ethanol; water at 20℃; for 0.5h; | General procedure for the Suzuki reaction of aryl bromides with arylboronic acids General procedure: A mixture of aryl bromide (0.5 mmol), arylboronic acid (0.75 mmol), PdCl2 (0.0025 mmol, 0.44 mg), K2CO3 (1 mmol) was stirred in distilled water (2 mL) and ethonal (2 mL) at room temperature in air for the indicated time. After the completion of the reaction, the mixture was quenched by brine (15 mL), extracted with diethyl ether (4×10 mL), dried by anhydrous MgSO4, concentrated under vacuum and the product was afforded by column chromatography on silica gel (200-300 mesh) eluted with petroleum ether and ethyl acetate. |
94% | With potassium carbonate In ethyl acetate at 90℃; for 1.5h; | |
87% | With C12H12Cl2N4O2Pd; caesium carbonate In water at 60℃; for 4h; | General procedure for the Reaction of Arylboronic Acids and Halobenzenes General procedure: In an oven dried 10 mL round bottom flask were added arylboronic acid 1 (1.0 mmol), halobenzene 2 (1.0 mmol), Cs2CO3 (0.5 equiv) and catalyst C4 (1.0 mol%) in water (1mL). The reaction mixture was allowed to stir at 60 oC for completion. After completion of reaction (monitored by TLC) the crude residue was extracted into in ethylacetate (10 mL x 3) and dried over anhydrous sodium sulphate, filtered and evaporated under reduced pressure. The crude mixture was separated using silica-gel column chromatography by eluting with ethylacetate/hexanes. |
7 %Spectr. | With C16H28Cl2N4O2Pd; potassium carbonate In methanol; carbon dioxide at 120℃; for 1h; Supercritical conditions; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
72% | With bis-triphenylphosphine-palladium(II) chloride; sodium dodecyl-sulfate; potassium carbonate; p-toluenesulfonyl chloride In water at 60℃; | Typical procedure for Pd-catalyzed Suzuki cross-coupling of arylhydrazines with aryl boronic acids General procedure: A mixture of arylhydrazine 1 (0.24mmol, 1.2equiv.), aryl boronic acid 2 (0.2 mmol), K2CO3(0.6 mmol, 3.0 equiv.), p-toluenesulfonylchloride (0.24 mmol, 1.2 equiv.), sodium dodecyl sulfate (0.02 mmol, 10 mol %), and PdCl2(PPh3)2(0.01 mmol, 5 mol %) was stirred at 60 °C in water (2.0 mL) for 4-8 h under air.After completion of the reaction (indicated by TLC), the mixture was quenched with saturatedNaCl solution, extracted by EtOAc,and dried with Na2SO4. The crude product was purified by flash columnchromatography to provide the corresponding product 3. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
32 %Chromat. | With N-Bromosuccinimide; [bis(acetoxy)iodo]benzene; nickel dibromide In water-d2 at 25℃; for 24h; Sealed tube; Inert atmosphere; | 2.3. Standard procedure for catalytic bromination General procedure: To 2 mL CF3COOH (or D2O), 0.25 mmol substrate, 0.5 mmol oxidizing agent, 0.375 mmol NBS and 5 mol% catalyst were added. The reagents were taken in a specially designed tube (10 mL), were purged with N2 gas, and sealed; the mixture was stirred for 24 h at room temperature. Next, the volatiles were removed under reduced pressure. The brominated products were analyzed by 1HNMR spectroscopy and the yields were calculated by GC/MS using dodecane as an internal standard. |
32.0 %Chromat. | With N-Bromosuccinimide; [bis(acetoxy)iodo]benzene; nickel dibromide In water-d2 at 20℃; for 24h; Inert atmosphere; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
60% | General procedure: To a cold (-78 oC) solution of 4-bromo-4'-methylbiphenyl 14d (2.5g, 10mmol) in THF (25mL) was added n-BuLi (2.5M in hexane; 4 mL, 10 mmol) and the mixture was stirredat -78 oC for 1 h. To the reaction mixture was added a solution of 10c(2.34 g, 11mmol) in THF (20 mL) and the mixture was stirred at -78 oCfor 3h. To the reaction mixture was added saturated ammonium chloride solutionand EtOAc, then the organic layer was separated and washed with brine, driedover Na2SO4, filtered and evaporated in vacuo. Theresulting residue was purified by column chromatography on silica gel(EtOAc/petroleum ether = 1:10) to give the title compound. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
88% | With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 1.5h; | 2.4. General procedure for Suzuki-Miyaura cross-coupling General procedure: A round bottom flask (50 mL) equipped with condenser was chargedwith aryl halide (1.0 mmol), arylboronic acid (1.2 mmol), K2CO3(2 mmol), Pd(II)-AMP-CellAl2O3 (40 mg) and dimethyl formamide(DMF) (5 mL). The mixture was stirred in an oil bath at 80 °C. Uponcompletion of the reaction as monitored by thin layer chromatography(TLC) (petroleum ether:ethyl acetate, 95:0.5), the reaction mixture wasfiltered. The filtrate was extracted with ethyl acetate (3 × 5 mL). Thecombined organic layers were collected, dried over anhydrous Na2SO4,and concentrated in vacuum to afford the crude products. These productswere purified by silica gel column chromatography (Ether /EtOAc = 9:1 v/v). |
83% | With bis-triphenylphosphine-palladium(II) chloride; Aliquat 336; potassium carbonate In tetrahydrofuran; water Reflux; | |
76% | With sodium carbonate In water; toluene at 100℃; for 12h; Inert atmosphere; | 1.1 Step 1: Synthesis of 4-bromo-4'-methoxy-1,1'-biphenyl (21): To a mixture of compound 19 (200 mg, 0.85 mmol)and compound 20 (257 mg, 1.28 mmol)in toluene- water (9: 1)(35 mL)was added Na2CO3 (181 mg, 1.70 mmol)and the reaction mixture was degassed with N2 for 20 min. PdCl2(dppf complex (60 mg, 0.08 mmol)was added and the reaction mixture was heated to 100 °C for 12 h. After completion of the reaction, the mixture was filtered through a Celite pad, filtrate was concentrated and purified by silica gel column chromatography [gradient elution with EtOAc: Hexane (10:90)] to afford compound 21 (200 mg, 76%). 1H NMR (400 MHz, CD2Cl2): d 7.51 (dd, J= 17.5, 7.0, 2.2 Hz, 4H), 7.41 (dd, J = 8.7, 2.1 Hz, 2H), 6.97 (dd, J= 8.7, 2.1 Hz, 2H), 3.85 (s, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
58% | Stage #1: 4-bromo-4'-methoxylbiphenyl With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78 - 5℃; | 18.B Step B: Step B: (4'-methoxy-[1,1'-biphenyl]-4-yl)boronic acid To a solution of 4-bromo-4'-methoxy-1,1'-biphenyl (2 g, 7.63 mmol) in dry THF (30 mL) was added n-BuLi (9.2 ml, 22.9 mmol, 2.5 M in hexane) dropwise at -78° C. under N2 atmosphere. 1 hour later, (CH3O)3B (2.38 g, 22.9 mmol) was added dropwise at -78° C. The resulting solution was stirred for 1 hour at -78° C. and overnight at 5° C. After quenched with saturated NH4Cl solution, the mixture was extracted with EA (30 mL*2.) The combined organic layer was dried over anhydrous sodium sulfate. The residue was purified by chromatography column to afford (4'-methoxy-[1,1'-biphenyl]-4-yl)boronic acid (1.0 g, 58% yield). 1H NMR (400 MHz, DMSO-d6): δ 8.06 (s, 2H), 7.84 (d, J=7.6 Hz, 2H), 7.63 (d, J=7.6 Hz, 2H), 7.58 (d, J=7.6 Hz, 2H), 7.02 (d, J=7.6 Hz, 2H), 3.80 (s, 3H). |
58% | Stage #1: 4-bromo-4'-methoxylbiphenyl With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran; hexane at -78 - 5℃; | B Step B: (4'-methoxy-[ biphenyl]-4-yl)boronic acid To a solution of 4-bromo-4'-methoxy-1,1'-biphenyl (2 g, 7.63 mmol) in dry THF (30 mL) was added n-BuLi (9.2 ml, 22.9 mmol, 2.5 M in hexane) dropwise at -78 oC under N2 atmosphere.1 hour later, (CH3O)3B (2.38 g, 22.9 mmol) was added dropwise at -78 oC. The resulting solution was stirred for 1 hour at -78 oC and overnight at 5 °C. After quenched with saturated NH4Cl solution, the mixture was extracted with EA (30 mL x 2.) The combined organic layer was dried over anhydrous sodium sulfate. The residue was purified by (2081) chromatography column to afford (4'-methoxy-[1,1'-biphenyl]-4-yl)boronic acid (1.0 g, 58% yield). 1H NMR (400 MHz, DMSO-d6): d 8.06 (s, 2H), 7.84 (d, J = 7.6 Hz, 2H), 7.63 (d, J = 7.6 Hz, 2H), 7.58 (d, J = 7.6 Hz, 2H), 7.02 (d, J = 7.6 Hz, 2H), 3.80 (s, 3H). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | Stage #1: o-benzenedisulfonimide; 4-bromo-aniline With acetic acid at 0 - 5℃; for 0.166667h; Inert atmosphere; Stage #2: With isopentyl nitrite for 0.166667h; Inert atmosphere; Stage #3: 4-methoxyphenylboronic acid With bis[(trifluoromethanesulfonyl)imidate]-2-(dicyclohexyl(2’,6’-dimethoxybiphenyl))phosphine gold(I); caesium carbonate In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; chemoselective reaction; | 3.19 4.3 4-Methoxybiphenyl (4a): representative procedure for the Au catalysed Suzuki-Miyaura couplings General procedure: In a oven-dried flask and under nitrogen flow, benzenediazonium o-benzenedisulfonimide (1a, 161mg, 0.5mmol) was added to a suspension of 4-methoxyphenylboronic acid (3a, 91mg, 0.6mmol), [bis(trifluoromethanesulfonyl)imidate](triphenylphosphine)gold(I) (2:1) toluene adduct (39mg, 0.025mmol, 5mol%), Cs2CO3 (325mg, 1mmol) in THF (5mL). The resulting mixture was stirred at room temperature for 2h; the completion of the reaction was confirmed by the absence of azo coupling with 2-naphthol. Then, the reaction mixture was poured into diethyl ether/water (100mL, 1:1). The aqueous layer was separated and extracted with diethyl ether (50mL). The combined organic extracts were washed with water (50mL), dried with Na2SO4 and evaporated under reduced pressure. GC-MS analyses of the crude residue showed 4-methoxybiphenyl (4a), MS (EI): m/z 184 (M+) as the major product, besides traces of biphenyl, MS (EI): m/z 154 (M+), 4,4'-dimethoxybiphenyl, MS (EI): m/z 214 (M+), N-phenyl-o-benzenedisulfonimide, MS (EI): m/z 295 (M+). The crude residue was purified on a short column, eluting with petroleum ether/diethyl ether (9:1). The only isolated product was the title compound (4a, 81mg, 88% yield). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | Stage #1: 4-bromo-4'-methoxylbiphenyl With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1.5h; Inert atmosphere; Stage #2: 6H-benzo[c]chromen-6-one In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Inert atmosphere; Stage #3: With perchloric acid; acetic anhydride In diethyl ether; water at 0℃; | 4.4. 6-(40-Methoxy-[1,10-biphenyl]-4-yl)benzo[c]chromen-5-iumperchlorate (15) 4-bromo-4'-methoxybiphenyl 6 (0.671 g, 2.55 mmol) was dissolved in 10 mL of anhydrous THF in an oven dried round bottom flask. The solution was cooled to 78 C in a dry ice/acetone bath and sparged with Ar for 45 min. 1.6 M n-BuLi in hexane (1.70 mL,2.72 mmol) was added dropwise via syringe and the reaction was stirred for 1.5 h at 78 C. During this time 6H-benzo[c]chromen-6-one 9 (0.500 g, 2.55 mmol) was dissolved in 10 mL of anhydrous THF in a separate oven dried round bottom flask. The solution was cooled to 78 C in a dry ice/acetone bath and sparged with Ar for 30 min. The aryllithium solution was transferred to the solution containing 9 at 78 C via cannula under Ar pressure. The cooling bath was removed, and the reaction was allowed to stir for 2 h. 50 mL of sat. NH4Cl was added to the reaction and subsequently extracted 3x with 25 mL of Et2O. The combined organics were dried with MgSO4, filtered, and concentrated under reduced pressure. The crude product was dissolved in 25 mL of diethyl ether and cooled to 0 C in an ice bath and stirred very rapidly. A chilled (0 C) solution of 70% perchloric acid in acetic anhydride (1:3 by volume) was slowly added drop-wise to the stirring ethereal solution until a colored precipitate formed. The crude product was filtered and recrystallized in glacial acetic acid to yield a red-orange powder (0.508 g, 43%). mp 270e271 C. 1H NMR (400 MHz, CDCl3/CF3CO2D): d 8.90 (d, J 8.5 Hz, 1H), 8.86 (d, J 8.5 Hz, 1H), 8.76 (dd,J 8.3 Hz, J 1.5 Hz, 1H), 8.59 (t, J 7.9 Hz, 1H), 8.36 (d, J 8.5 Hz,2H), 8.27 (dd, J 8.4 Hz, J 1.1 Hz, 1H), 8.17 (t, J 8.3 Hz, 1H), 8.12(td, J 7.9 Hz, J 1.5 Hz, 1H), 8.07-8.01 (m, 3H), 7.77 (d, J 9.0 Hz,2H), 7.12 (d, J 8.8 Hz, 2H), 3.95 (s, 3H). 13C NMR (100 MHz, CDCl3/CF3CO2D): d 183.7, 160.6, 151.6, 150.2, 143.9, 139.7, 136.2, 134.9,134.3,132.1, 131.2, 131.0,129.2,128.2, 127.3, 124.1,124.0, 121.5, 120.5,119.8, 115.3, 55.9. IR (ATR) nmax: 1592, 1483, 1078 cm1. HRMS (ESI)m/z calcd for C26H19O2 [M] 363.1385, found 363.1373. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
47% | Stage #1: 4-bromo-4'-methoxylbiphenyl With magnesium; ethylene dibromide In tetrahydrofuran Reflux; Inert atmosphere; Stage #2: xanth-9-one In tetrahydrofuran at 0 - 20℃; for 2h; Inert atmosphere; Stage #3: With perchloric acid; acetic anhydride In diethyl ether; water at 0℃; for 0.5h; | 4.10. 9-(40methoxy-[1,10-biphenyl]-4-yl)xanthylium perchlorate (24) Magnesium (0.132 g, 5.42 mmol) was placed into an oven-dried round bottom flask and flushed with Ar for 30 min while stirring. 4-Bromo-4'-methoxybiphenyl 6 (1.43 g, 5.42 mmol), anhydrous THF(8 mL), and 2 drops of 1,2-dibromoethane were then added. The reaction was heated to reflux, stirred for 30 min under Ar, and allowed to cool back to rt over 1 h. During this time xanthone 18 (0.532 g, 2.71 mmol) was dissolved in 16 mL of anhydrous THF in a separate oven dried round bottom flask. The flask was cooled to0 C with an ice bath and sparged for 30 min with Ar. The arylmagnesium bromide solution was transferred to the solution containing 18 at 0 C via cannula under Ar pressure. The cooling bath was removed, and the reaction was stirred for 2 h. 50 mL of sat. NaHCO3 was added to the reaction and subsequently extracted 3x with 100 mL of CH2Cl2. The combined organics were washed dried with Na2SO4, filtered, and concentrated under reduced pressure. The crude intermediate was purified via column chromatography using gradient elution (5% EtOAc in hexane/50% EtOAc in hexane) but not characterized further. The purified intermediate was dissolved in 10 mL of diethyl ether and 70% aq. HClO4 was added dropwise at rt until a colored precipitate formed. The reaction was allowed to stir for 30 min and filtered to yield a red solid. The solid was recrystallized in glacial acetic acid to yield small red needles (0.595 g, 47%). mp 230e231 C. 1H NMR (400 MHz, CDCl3/CF3CO2D): d 8.51 (ddd, J 8.6 Hz, J 7.0 Hz, J 1.2 Hz, 2H), 8.37 (d,J 8.8 Hz, 2H) 8.33 (dd, J 8.7 Hz, J 1.3 Hz, 2H), 8.01-7.94 (m, 4H),7.78 (d, J 8.1 Hz, 2H), 7.73 (d, J 8.8 Hz, 2H), 7.10 (d, J 8.8 Hz, 2H)3.94 (s, 3H). 13C NMR (100 MHz, CDCl3/CF3CO2D): d 174.9, 160.2,158.3, 145.7, 144.0, 132.0, 131.9, 131.4, 129.4, 128.7, 128.6, 127.3,123.5,120.0,114.8, 55.6. IR (ATR) nmax: 1596,1578,1083 cm1. HRMS(ESI) m/z calcd for C26H19O2 [M] 363.1385, found 363.1382. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
69% | With copper(l) iodide; trans-bis(triphenylphosphine)palladium dichloride; water; 1,8-diazabicyclo[5.4.0]undec-7-ene In benzene at 60℃; for 24h; Inert atmosphere; Darkness; | 9 Synthesis of compound 12 Add 4-bromo-4-methoxybiphenyl (2.7g, 10.12mmol), DBU (9.2g, 60.43mmol), bistriphenylphosphine palladium dichloride (425mg) into a 100mL two-necked flask, cuprous iodide (191mg), under the protection of argon, ventilate three times, add benzene 40mL, add Trimethylsilylacetylene (0.71mL), water (70ul), Heat to 60°C for 24h in the dark. After the reaction, the reaction solution was cooled to room temperature, and the solvent was removed by rotary evaporation. Add dichloromethane to disperse, filter with suction, wash the residue with water several times, methanol washed to obtain a brown crude product, after recrystallization with a large amount of toluene, compound 12 was obtained as a white solid (1.4 g, 69%). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
35% | In 2-methyltetrahydrofuran; 1-methyl-pyrrolidin-2-one; at 80℃; for 0.5h;Glovebox; Microwave irradiation; Inert atmosphere; | General procedure: In a glovebox, (het)arylpivalate 1 (0.2 mmol) and NMP (1.5 mL) were added to thediarylzinc 2 (0.3 mmol, prepared by mixing zinc bromide, lithium chloride, and the corresponding aryl magnesium bromidein 1.5 mL of THF) in a reaction tube. The reaction mixturewas then heated at 80 C for 0.5 h under MW irradiation.After completion of the reaction, the mixture was concentratedunder vacuum, and saturated NH4Cl added. The mixturewas extracted with CH2Cl2 several times. The combinedorganic layers were dried over anhydrous MgSO4, concentratedin vacuo, and the residue was purified by column chromatographyon silica gel to give the coupling product 3. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
26% | With tris-(dibenzylideneacetone)dipalladium(0); sodium tertiary butoxide; dicyclohexyl[2’,4’,6’-tris(propan-2-yl)[1,1’-biphenyl]-2-yl]phosphane In toluene at 100℃; for 16h; | 9.1 Step 1: N-(4-Fluoro-5-methoxy-2-nitrophenyl)-4'-methoxy-[1,1'-biphenyl]-4-amine. A mixture of 4-fluoro-5-methoxy-2-nitroaniline (155 mg, 0.84 mmol), 1-bromo-4-(4-methoxyphenyl)benzene (200 mg, 0.76 mmol), tris(dibenzylideneacetone)dipalladium(0) (35 mg, 0.04 mmol), XPhos (36 mg, 0.08 mmol), sodium tert-butoxide (146 mg, 1.52 mmol), and toluene (2 mL) was degassed with 2 vacuum/N2 cycles, stirred at 100 °C for 16 h, and then allowed to cool to rt. The mixture was diluted with EtOAc (15 mL) and water (10 mL). Celite was added, and the mixture was filtered through Celite. The filter cake was washed with EtOAc (10 mL). The organic layer was washed with brine (10 mL), dried (Na2SO4), filtered, concentrated, and then purified by silica gel chromatography (0-15% EtOAc in hexanes) to give N-(4-fluoro-5-methoxy-2-nitrophenyl)-4'-methoxy-[1,1'-biphenyl]-4-amine (73 mg, 26%) as an orange solid. 1H NMR (400 MHz, DMSO-d6): δ 9.74 (s, 1H), 8.02 (d, J = 11.9 Hz, 1H), 7.67 (m, 4H), 7.48 (d, J = 8.6 Hz, 2H), 7.04 (d, J = 8.8 Hz, 2H), 6.85 (d, J = 7.8 Hz, 1H), 3.83-3.81 (m, 3H), 3.81-3.80 (m, 3H); LCMS: 369.2 [M+H]+. |
26% | With tris-(dibenzylideneacetone)dipalladium(0); sodium tertiary butoxide; dicyclohexyl[2’,4’,6’-tris(propan-2-yl)[1,1’-biphenyl]-2-yl]phosphane In toluene at 100℃; for 16h; | 9.1 Step 1: N-(4-Fluoro-5-methoxy-2-nitrophenyl)-4'-methoxy-[1,1'-biphenyl]-4-amine. A mixture of 4-fluoro-5-methoxy-2-nitroaniline (155 mg, 0.84 mmol), 1-bromo-4-(4-methoxyphenyl)benzene (200 mg, 0.76 mmol), tris(dibenzylideneacetone)dipalladium(0) (35 mg, 0.04 mmol), XPhos (36 mg, 0.08 mmol), sodium tert-butoxide (146 mg, 1.52 mmol), and toluene (2 mL) was degassed with 2 vacuum/N2 cycles, stirred at 100 °C for 16 h, and then allowed to cool to rt. The mixture was diluted with EtOAc (15 mL) and water (10 mL). Celite was added, and the mixture was filtered through Celite. The filter cake was washed with EtOAc (10 mL). The organic layer was washed with brine (10 mL), dried (Na2SO4), filtered, concentrated, and then purified by silica gel chromatography (0-15% EtOAc in hexanes) to give N-(4-fluoro-5-methoxy-2-nitrophenyl)-4'-methoxy-[1,1'-biphenyl]-4-amine (73 mg, 26%) as an orange solid. 1H NMR (400 MHz, DMSO-d6): δ 9.74 (s, 1H), 8.02 (d, J = 11.9 Hz, 1H), 7.67 (m, 4H), 7.48 (d, J = 8.6 Hz, 2H), 7.04 (d, J = 8.8 Hz, 2H), 6.85 (d, J = 7.8 Hz, 1H), 3.83-3.81 (m, 3H), 3.81-3.80 (m, 3H); LCMS: 369.2 [M+H]+. |
Tags: 58743-83-2 synthesis path| 58743-83-2 SDS| 58743-83-2 COA| 58743-83-2 purity| 58743-83-2 application| 58743-83-2 NMR| 58743-83-2 COA| 58743-83-2 structure
[ 74447-69-1 ]
4'-Bromo-3-Methoxy-1,1'-biphenyl
Similarity: 0.97
[ 337535-27-0 ]
3-Bromo-3'-methoxy-1,1'-biphenyl
Similarity: 0.94
[ 90780-67-9 ]
4,4'-Bis(3-bromophenoxy)-1,1'-biphenyl
Similarity: 0.94
[ 1261975-92-1 ]
5-Bromo-4'-methoxy-[1,1'-biphenyl]-3-ol
Similarity: 0.91
[ 1261952-11-7 ]
5-Bromo-3'-methoxy-[1,1'-biphenyl]-3-ol
Similarity: 0.91
[ 74447-69-1 ]
4'-Bromo-3-Methoxy-1,1'-biphenyl
Similarity: 0.97
[ 337535-27-0 ]
3-Bromo-3'-methoxy-1,1'-biphenyl
Similarity: 0.94
[ 90780-67-9 ]
4,4'-Bis(3-bromophenoxy)-1,1'-biphenyl
Similarity: 0.94
[ 1261975-92-1 ]
5-Bromo-4'-methoxy-[1,1'-biphenyl]-3-ol
Similarity: 0.91
[ 1261952-11-7 ]
5-Bromo-3'-methoxy-[1,1'-biphenyl]-3-ol
Similarity: 0.91
[ 74447-69-1 ]
4'-Bromo-3-Methoxy-1,1'-biphenyl
Similarity: 0.97
[ 337535-27-0 ]
3-Bromo-3'-methoxy-1,1'-biphenyl
Similarity: 0.94
[ 90780-67-9 ]
4,4'-Bis(3-bromophenoxy)-1,1'-biphenyl
Similarity: 0.94
[ 1261975-92-1 ]
5-Bromo-4'-methoxy-[1,1'-biphenyl]-3-ol
Similarity: 0.91
[ 1261952-11-7 ]
5-Bromo-3'-methoxy-[1,1'-biphenyl]-3-ol
Similarity: 0.91
Precautionary Statements-General | |
Code | Phrase |
P101 | If medical advice is needed,have product container or label at hand. |
P102 | Keep out of reach of children. |
P103 | Read label before use |
Prevention | |
Code | Phrase |
P201 | Obtain special instructions before use. |
P202 | Do not handle until all safety precautions have been read and understood. |
P210 | Keep away from heat/sparks/open flames/hot surfaces. - No smoking. |
P211 | Do not spray on an open flame or other ignition source. |
P220 | Keep/Store away from clothing/combustible materials. |
P221 | Take any precaution to avoid mixing with combustibles |
P222 | Do not allow contact with air. |
P223 | Keep away from any possible contact with water, because of violent reaction and possible flash fire. |
P230 | Keep wetted |
P231 | Handle under inert gas. |
P232 | Protect from moisture. |
P233 | Keep container tightly closed. |
P234 | Keep only in original container. |
P235 | Keep cool |
P240 | Ground/bond container and receiving equipment. |
P241 | Use explosion-proof electrical/ventilating/lighting/equipment. |
P242 | Use only non-sparking tools. |
P243 | Take precautionary measures against static discharge. |
P244 | Keep reduction valves free from grease and oil. |
P250 | Do not subject to grinding/shock/friction. |
P251 | Pressurized container: Do not pierce or burn, even after use. |
P260 | Do not breathe dust/fume/gas/mist/vapours/spray. |
P261 | Avoid breathing dust/fume/gas/mist/vapours/spray. |
P262 | Do not get in eyes, on skin, or on clothing. |
P263 | Avoid contact during pregnancy/while nursing. |
P264 | Wash hands thoroughly after handling. |
P265 | Wash skin thouroughly after handling. |
P270 | Do not eat, drink or smoke when using this product. |
P271 | Use only outdoors or in a well-ventilated area. |
P272 | Contaminated work clothing should not be allowed out of the workplace. |
P273 | Avoid release to the environment. |
P280 | Wear protective gloves/protective clothing/eye protection/face protection. |
P281 | Use personal protective equipment as required. |
P282 | Wear cold insulating gloves/face shield/eye protection. |
P283 | Wear fire/flame resistant/retardant clothing. |
P284 | Wear respiratory protection. |
P285 | In case of inadequate ventilation wear respiratory protection. |
P231 + P232 | Handle under inert gas. Protect from moisture. |
P235 + P410 | Keep cool. Protect from sunlight. |
Response | |
Code | Phrase |
P301 | IF SWALLOWED: |
P304 | IF INHALED: |
P305 | IF IN EYES: |
P306 | IF ON CLOTHING: |
P307 | IF exposed: |
P308 | IF exposed or concerned: |
P309 | IF exposed or if you feel unwell: |
P310 | Immediately call a POISON CENTER or doctor/physician. |
P311 | Call a POISON CENTER or doctor/physician. |
P312 | Call a POISON CENTER or doctor/physician if you feel unwell. |
P313 | Get medical advice/attention. |
P314 | Get medical advice/attention if you feel unwell. |
P315 | Get immediate medical advice/attention. |
P320 | |
P302 + P352 | IF ON SKIN: wash with plenty of soap and water. |
P321 | |
P322 | |
P330 | Rinse mouth. |
P331 | Do NOT induce vomiting. |
P332 | IF SKIN irritation occurs: |
P333 | If skin irritation or rash occurs: |
P334 | Immerse in cool water/wrap n wet bandages. |
P335 | Brush off loose particles from skin. |
P336 | Thaw frosted parts with lukewarm water. Do not rub affected area. |
P337 | If eye irritation persists: |
P338 | Remove contact lenses, if present and easy to do. Continue rinsing. |
P340 | Remove victim to fresh air and keep at rest in a position comfortable for breathing. |
P341 | If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. |
P342 | If experiencing respiratory symptoms: |
P350 | Gently wash with plenty of soap and water. |
P351 | Rinse cautiously with water for several minutes. |
P352 | Wash with plenty of soap and water. |
P353 | Rinse skin with water/shower. |
P360 | Rinse immediately contaminated clothing and skin with plenty of water before removing clothes. |
P361 | Remove/Take off immediately all contaminated clothing. |
P362 | Take off contaminated clothing and wash before reuse. |
P363 | Wash contaminated clothing before reuse. |
P370 | In case of fire: |
P371 | In case of major fire and large quantities: |
P372 | Explosion risk in case of fire. |
P373 | DO NOT fight fire when fire reaches explosives. |
P374 | Fight fire with normal precautions from a reasonable distance. |
P376 | Stop leak if safe to do so. Oxidising gases (section 2.4) 1 |
P377 | Leaking gas fire: Do not extinguish, unless leak can be stopped safely. |
P378 | |
P380 | Evacuate area. |
P381 | Eliminate all ignition sources if safe to do so. |
P390 | Absorb spillage to prevent material damage. |
P391 | Collect spillage. Hazardous to the aquatic environment |
P301 + P310 | IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
P301 + P312 | IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. |
P301 + P330 + P331 | IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
P302 + P334 | IF ON SKIN: Immerse in cool water/wrap in wet bandages. |
P302 + P350 | IF ON SKIN: Gently wash with plenty of soap and water. |
P303 + P361 + P353 | IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
P304 + P312 | IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell. |
P304 + P340 | IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. |
P304 + P341 | IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. |
P305 + P351 + P338 | IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
P306 + P360 | IF ON CLOTHING: Rinse Immediately contaminated CLOTHING and SKIN with plenty of water before removing clothes. |
P307 + P311 | IF exposed: call a POISON CENTER or doctor/physician. |
P308 + P313 | IF exposed or concerned: Get medical advice/attention. |
P309 + P311 | IF exposed or if you feel unwell: call a POISON CENTER or doctor/physician. |
P332 + P313 | IF SKIN irritation occurs: Get medical advice/attention. |
P333 + P313 | IF SKIN irritation or rash occurs: Get medical advice/attention. |
P335 + P334 | Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages. |
P337 + P313 | IF eye irritation persists: Get medical advice/attention. |
P342 + P311 | IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. |
P370 + P376 | In case of fire: Stop leak if safe to Do so. |
P370 + P378 | In case of fire: |
P370 + P380 | In case of fire: Evacuate area. |
P370 + P380 + P375 | In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion. |
P371 + P380 + P375 | In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion. |
Storage | |
Code | Phrase |
P401 | |
P402 | Store in a dry place. |
P403 | Store in a well-ventilated place. |
P404 | Store in a closed container. |
P405 | Store locked up. |
P406 | Store in corrosive resistant/ container with a resistant inner liner. |
P407 | Maintain air gap between stacks/pallets. |
P410 | Protect from sunlight. |
P411 | |
P412 | Do not expose to temperatures exceeding 50 oC/ 122 oF. |
P413 | |
P420 | Store away from other materials. |
P422 | |
P402 + P404 | Store in a dry place. Store in a closed container. |
P403 + P233 | Store in a well-ventilated place. Keep container tightly closed. |
P403 + P235 | Store in a well-ventilated place. Keep cool. |
P410 + P403 | Protect from sunlight. Store in a well-ventilated place. |
P410 + P412 | Protect from sunlight. Do not expose to temperatures exceeding 50 oC/122oF. |
P411 + P235 | Keep cool. |
Disposal | |
Code | Phrase |
P501 | Dispose of contents/container to ... |
P502 | Refer to manufacturer/supplier for information on recovery/recycling |
Physical hazards | |
Code | Phrase |
H200 | Unstable explosive |
H201 | Explosive; mass explosion hazard |
H202 | Explosive; severe projection hazard |
H203 | Explosive; fire, blast or projection hazard |
H204 | Fire or projection hazard |
H205 | May mass explode in fire |
H220 | Extremely flammable gas |
H221 | Flammable gas |
H222 | Extremely flammable aerosol |
H223 | Flammable aerosol |
H224 | Extremely flammable liquid and vapour |
H225 | Highly flammable liquid and vapour |
H226 | Flammable liquid and vapour |
H227 | Combustible liquid |
H228 | Flammable solid |
H229 | Pressurized container: may burst if heated |
H230 | May react explosively even in the absence of air |
H231 | May react explosively even in the absence of air at elevated pressure and/or temperature |
H240 | Heating may cause an explosion |
H241 | Heating may cause a fire or explosion |
H242 | Heating may cause a fire |
H250 | Catches fire spontaneously if exposed to air |
H251 | Self-heating; may catch fire |
H252 | Self-heating in large quantities; may catch fire |
H260 | In contact with water releases flammable gases which may ignite spontaneously |
H261 | In contact with water releases flammable gas |
H270 | May cause or intensify fire; oxidizer |
H271 | May cause fire or explosion; strong oxidizer |
H272 | May intensify fire; oxidizer |
H280 | Contains gas under pressure; may explode if heated |
H281 | Contains refrigerated gas; may cause cryogenic burns or injury |
H290 | May be corrosive to metals |
Health hazards | |
Code | Phrase |
H300 | Fatal if swallowed |
H301 | Toxic if swallowed |
H302 | Harmful if swallowed |
H303 | May be harmful if swallowed |
H304 | May be fatal if swallowed and enters airways |
H305 | May be harmful if swallowed and enters airways |
H310 | Fatal in contact with skin |
H311 | Toxic in contact with skin |
H312 | Harmful in contact with skin |
H313 | May be harmful in contact with skin |
H314 | Causes severe skin burns and eye damage |
H315 | Causes skin irritation |
H316 | Causes mild skin irritation |
H317 | May cause an allergic skin reaction |
H318 | Causes serious eye damage |
H319 | Causes serious eye irritation |
H320 | Causes eye irritation |
H330 | Fatal if inhaled |
H331 | Toxic if inhaled |
H332 | Harmful if inhaled |
H333 | May be harmful if inhaled |
H334 | May cause allergy or asthma symptoms or breathing difficulties if inhaled |
H335 | May cause respiratory irritation |
H336 | May cause drowsiness or dizziness |
H340 | May cause genetic defects |
H341 | Suspected of causing genetic defects |
H350 | May cause cancer |
H351 | Suspected of causing cancer |
H360 | May damage fertility or the unborn child |
H361 | Suspected of damaging fertility or the unborn child |
H361d | Suspected of damaging the unborn child |
H362 | May cause harm to breast-fed children |
H370 | Causes damage to organs |
H371 | May cause damage to organs |
H372 | Causes damage to organs through prolonged or repeated exposure |
H373 | May cause damage to organs through prolonged or repeated exposure |
Environmental hazards | |
Code | Phrase |
H400 | Very toxic to aquatic life |
H401 | Toxic to aquatic life |
H402 | Harmful to aquatic life |
H410 | Very toxic to aquatic life with long-lasting effects |
H411 | Toxic to aquatic life with long-lasting effects |
H412 | Harmful to aquatic life with long-lasting effects |
H413 | May cause long-lasting harmful effects to aquatic life |
H420 | Harms public health and the environment by destroying ozone in the upper atmosphere |
Sorry,this product has been discontinued.
Home
* Country
* Quantity Required :
* Cat. No.:
* CAS No :
* Product Name :
* Additional Information :