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CAS No. : | 74733-28-1 | MDL No. : | MFCD27928283 |
Formula : | C10H11BrO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | MABHQNNTZZMWCU-UHFFFAOYSA-N |
M.W : | 243.10 | Pubchem ID : | 19372658 |
Synonyms : |
|
Num. heavy atoms : | 13 |
Num. arom. heavy atoms : | 6 |
Fraction Csp3 : | 0.3 |
Num. rotatable bonds : | 3 |
Num. H-bond acceptors : | 2.0 |
Num. H-bond donors : | 0.0 |
Molar Refractivity : | 55.52 |
TPSA : | 26.3 Ų |
GI absorption : | High |
BBB permeant : | Yes |
P-gp substrate : | No |
CYP1A2 inhibitor : | Yes |
CYP2C19 inhibitor : | No |
CYP2C9 inhibitor : | No |
CYP2D6 inhibitor : | No |
CYP3A4 inhibitor : | No |
Log Kp (skin permeation) : | -5.43 cm/s |
Log Po/w (iLOGP) : | 2.59 |
Log Po/w (XLOGP3) : | 3.31 |
Log Po/w (WLOGP) : | 2.52 |
Log Po/w (MLOGP) : | 2.99 |
Log Po/w (SILICOS-IT) : | 3.19 |
Consensus Log Po/w : | 2.92 |
Lipinski : | 0.0 |
Ghose : | None |
Veber : | 0.0 |
Egan : | 0.0 |
Muegge : | 0.0 |
Bioavailability Score : | 0.55 |
Log S (ESOL) : | -3.58 |
Solubility : | 0.0645 mg/ml ; 0.000265 mol/l |
Class : | Soluble |
Log S (Ali) : | -3.54 |
Solubility : | 0.0704 mg/ml ; 0.00029 mol/l |
Class : | Soluble |
Log S (SILICOS-IT) : | -4.12 |
Solubility : | 0.0183 mg/ml ; 0.0000752 mol/l |
Class : | Moderately soluble |
PAINS : | 0.0 alert |
Brenk : | 1.0 alert |
Leadlikeness : | 1.0 |
Synthetic accessibility : | 1.91 |
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P260-P264-P270-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P405-P501 | UN#: | 3261 |
Hazard Statements: | H302-H314 | Packing Group: | Ⅱ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
48% | With phosphorus tribromide; In dichloromethane; at 0 - 20℃; for 0.5h; | General procedure: To a stirred solution of 18-4B (1.2 g, 6.6 mmol) in DCM, was added phosphorous tribromide (0.64 mL, 6.6 mmol) at 0 C and stirred to RT for 30 min. After consumption of the starting material (by TLC), reaction was quenched with saturated NaHC03 solution and extracted with DCM. The organic layer was dried over Na2S04, and concentrated under reduced pressure. The crude compound was purified by flash column chromatography (100-200 silica) using 5% EtOAc in hexane to afford 18-5B (0.95 g, 3.9 mmol, 59% yield) as a colorless semi-solid. adapted using 18-4A (1.42 g, 7.88 mmol) to prepare 18-5A (920 mg, 48%). |
(ii) Oxalyl chloride (2.3 ml) was added to a solution of compound (B) (3.9 g) and DMF (0.3 ml) in dry dichloromethane (100 ml) and the mixture was stirred for 3 hours. The solvent and excess oxalyl chloride were removed by evaporation and dry methanol (50 ml) was added to the residue. The mixture was then stirred for 2 hours and the solvent removed by evaporation. The residue was partitioned between dichloromethane and aqueous sodium bicarbonate solution. The organic layer was separated, dried (MgSO4) and evaporated. The residue was triturated with a mixture of hexane and ether to give methyl 4-bromomethyl-2-methylbenzoate (C) (3.51 g) as a white solid, m.p. 51-53 C.; NMR (CDCl3): 2.59 (s, 3H), 3.89 (s, 3H), 4.44(s, 2H), 7.2-7.3(complex m, 2H), 7.88(d, 1H). | ||
Addition of hot petrol and filtration from the phthalide gave after evaporation the title compound. tau(CDCl3) 7.48 (3H, s), 6.21 (3H, s), 5.65 (2H, s), 2.6-2.93 (2H, m), 2.18 (1H, d, J=8 Hz). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In N,N-dimethyl-formamide; at 120℃; for 0.0833333h;Microwave irradiation; | O: Sodium Methanesulfmate displacement of Bromine To the bromine starting material (leq) was added sodium methanesulfmate (2eq) in DMF and heated to 120C in the microwave for 5 minutes. Alternatively, the reaction was heated to 60C in an oil bath for several hours until completed. Reaction mixture was concentrated under reduced pressure and extracted in ethyl acetate and water. The organic layer was dried over Magnesium Sulfate, filtered and concentrated in vacuo to yield generic methylsulfone. 255 mg of <strong>[74733-28-1]methyl 4-(bromomethyl)-2-methylbenzoate</strong> was reacted via Procedure O to give methyl 2-methyl-4-(methylsulfonylmethyl)benzoate | |
In N,N-dimethyl-formamide; at 120℃; for 0.0833333h;Microwave irradiation; | O: Sodium Methanesulfinate displacement of Bromine To the bromine starting material (1 eq) was added sodium methanesulfinate (2 eq) in DMF and heated to 120 C. in the microwave for 5 minutes. Alternatively, the reaction was heated to 60 C. in an oil bath for several hours until completed. Reaction mixture was concentrated under reduced pressure and extracted in ethyl acetate and water. The organic layer was dried over Magnesium Sulfate, filtered and concentrated in vacuo to yield generic methylsulfone.; 255 mg of <strong>[74733-28-1]methyl 4-(bromomethyl)-2-methylbenzoate</strong> was reacted via Procedure O to give methyl 2-methyl-4-(methylsulfonylmethyl)benzoate. 250 mg of methyl 2-methyl-4-(methylsulfonylmethyl)benzoate was then hydrolyzed upon heating to 45 C. for 1 hour via Procedure M to give 2-methyl-4-(methylsulfonylmethyl)benzoic acid. 202 mg of 4-chloro-3-(pyridin-2-yl)aniline was coupled to 2-methyl-4-(methylsulfonylmethyl)benzoic acid via Procedure G. The crude product was purified by reverse phase HPLC to yield N-(4-chloro-3-(pyridin-2-yl)phenyl)-2-methyl-4-(methylsulfonylmethyl)benzamide. MS (Q1) 415 (M)+. | |
In N,N-dimethyl-formamide; at 60℃; | O: Sodium Methanesulfinate displacement of Bromine To the bromine starting material (1 eq) was added sodium methanesulfinate (2 eq) in DMF and heated to 120 C. in the microwave for 5 minutes. Alternatively, the reaction was heated to 60 C. in an oil bath for several hours until completed. Reaction mixture was concentrated under reduced pressure and extracted in ethyl acetate and water. The organic layer was dried over Magnesium Sulfate, filtered and concentrated in vacuo to yield generic methylsulfone.; 255 mg of <strong>[74733-28-1]methyl 4-(bromomethyl)-2-methylbenzoate</strong> was reacted via Procedure O to give methyl 2-methyl-4-(methylsulfonylmethyl)benzoate. 250 mg of methyl 2-methyl-4-(methylsulfonylmethyl)benzoate was then hydrolyzed upon heating to 45 C. for 1 hour via Procedure M to give 2-methyl-4-(methylsulfonylmethyl)benzoic acid. 202 mg of 4-chloro-3-(pyridin-2-yl)aniline was coupled to 2-methyl-4-(methylsulfonylmethyl)benzoic acid via Procedure G. The crude product was purified by reverse phase HPLC to yield N-(4-chloro-3-(pyridin-2-yl)phenyl)-2-methyl-4-(methylsulfonylmethyl)benzamide. MS (Q1) 415 (M)+. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With N-Bromosuccinimide; triphenylphosphine; In dichloromethane; at 0℃; | 220 mg of methyl 4-(hydroxymethyl)-2-methylbenzoate was cooled to 0C in 5 mL of DCM before adding 260 mg of Triphenylphosphine and 395 mg of NBS. The reaction was concentrated and directly purified via ISCO Combi-Flash to give pure methyl 4-(bromomethyl)-2-methylbenzoate. | |
With N-Bromosuccinimide; triphenylphosphine; In dichloromethane; at 0℃; | 220 mg of methyl 4-(hydroxymethyl)-2-methylbenzoate was cooled to 0 C. in 5 mL of DCM before adding 260 mg of Triphenylphosphine and 395 mg of NBS. The reaction was concentrated and directly purified via ISCO Combi-Flash to give pure methyl 4-(bromomethyl)-2-methylbenzoate. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
EXAMPLE 238 4-[6-(4-Methoxy-benzylcarbamoyl)-1-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-ylmethyl]-2-methyl-benzoic acid methyl ester Made by the procedure of Example 217 with 4-bromomethyl-2-methylbenzoic acid methyl ester; mp 179-181 C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
EXAMPLE 241 4-[6-(3-Methoxy-benzylcarbamoyl)-1-methyl-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-ylmethyl]-2-methyl-benzoic acid methyl ester Made by the procedure of Example 217 with 4-bromomethyl-2-methyl-benzoic acid methyl ester; mp 175-177 C. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With triethylamine; In dichloromethane; at 0 - 20℃; | Step-1: Methyl 4-((2-(2-(((R)-1-(naphthalen-1-yl)ethyl)amino)ethyl)morpholino)methyl)benzoate To a stirred solution of Intermediate-11 (0.2 g, 0.740 mmol) in dichloromethane (5 ml), triethylamine (0.155 ml, 1.110 mmol) at 0 C., ethyl 4-(bromomethyl)-2-methylbenzoate (0.228 g, 0.888 mmol) was added. The reaction mixture stirred for 2 h at room temperature. Reaction mixture quenched with water and extracted with dichloromethane to get crude oil. Further compound was purified by prep HPLC and diasteromers were separated by chiral HPLC [CHIRAL PAK IA, 250 mm*4.6, 5mu; A=n-hexane:IPA (90:10% v/v, 0.1% DEA), B=IPA, A: B=70/30% V/V] offered title compound of isomer-a, tR=5.63 (120 mg) m/z 419.04 and isomer-b, tR=7.45 (130 mg) m/z 419.04. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
93% | With tert.-butylhydroperoxide; cetyltrimethylammonim bromide; potassium bromide; In water; at 120℃; under 750.075 Torr;Microwave irradiation; | General procedure: The reaction mixture was treated in a controlled microwavesynthesizer (Biotage Initiator+SP Wave model, 0-200 W at2.45 GHz, capped at 60 W during steady state) for severalminutes (the reaction attained 120 C at 1 bar pressure). Thefinal products were isolated by column chromatographyusing an EtOAc-hexane gradient |
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