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CAS No. : | 100717-32-6 | MDL No. : | MFCD03069640 |
Formula : | C14H17N | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | HYXQPIDRIDLWRT-UHFFFAOYSA-N |
M.W : | 199.29 | Pubchem ID : | 11298575 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H319 | Packing Group: | N/A |
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 |
---|---|---|
80% | With C18H18Cl4N2Ni2O2; potassium 2-methylbutan-2-olate In neat (no solvent) at 150℃; for 24h; | |
67% | With C37H36Cl2NPRuS2; potassium hydroxide at 135℃; for 18h; Inert atmosphere; Sealed tube; | |
56% | With potassium hydroxide In neat (no solvent) at 150℃; for 18h; regioselective reaction; | General procedures for the preparation of the products General procedure: To a stirred mixture of the corresponding indole (1, 1 mmol) and KOH (1.3 mmol, 73 mg), was added the corresponding alcohol (2 or 4, 3 mmol). The resulting mixture was stirred at 150C during 3 or 24 hours. The resulting mixture was quenched with deionised water and extracted with EtOEt (3 × 5 mL). The organic phases were dried over MgSO4, followed by evaporation under reduced pressure to remove the solvent. The product was usually purified by crystallization or chromatography on silica gel (hexane/ethyl acetate) to give the corresponding products 3 or 5. |
With 4-methylisopropylbenzene; potassium 1-cyclohexyl methanoate; nickel | ||
96 %Spectr. | With potassium phosphate; tris(triphenylphosphine)ruthenium(II) chloride; bis[2-(diphenylphosphino)phenyl] ether In neat (no solvent) at 165℃; for 24h; Schlenk technique; Inert atmosphere; regioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
In ethanol |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
0.14 g | With hydrogen In ethanol at 20℃; for 2h; | |
With 10% Pd/C; hydrogen at 20℃; for 2h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: copper(II) acetate / palladium(II) acetate / dimethylformamide; dimethylsulfoxide / 18 h / 70 °C 2: 0.14 g / hydrogen / palladium on carbon / ethanol / 2 h / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: copper(II) acetate / palladium(II) acetate / dimethylformamide; dimethylsulfoxide / 18 h / 70 °C 2: 0.14 g / hydrogen / palladium on carbon / ethanol / 2 h / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 5 steps 1.1: 97 percent / H2 / 10 percent Pd/C / ethanol / 72 h / 100 °C / 38786.1 Torr 2.1: 57 percent / aq. KOH; BnEt3NCl / CH2Cl2 / Heating 3.1: LDA / tetrahydrofuran; hexane / 0.5 h / -78 °C 3.2: 73 percent / HMPA / tetrahydrofuran; hexane / -78 - 20 °C 4.1: AIBN / acetonitrile / 0.25 h / 100 °C 5.1: Raney-Ni / ethanol |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 4 steps 1.1: 57 percent / aq. KOH; BnEt3NCl / CH2Cl2 / Heating 2.1: LDA / tetrahydrofuran; hexane / 0.5 h / -78 °C 2.2: 73 percent / HMPA / tetrahydrofuran; hexane / -78 - 20 °C 3.1: AIBN / acetonitrile / 0.25 h / 100 °C 4.1: Raney-Ni / ethanol |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 6 steps 1.1: 84 percent / KF / tetrahydrofuran / 2 h / 40 °C 2.1: 97 percent / H2 / 10 percent Pd/C / ethanol / 72 h / 100 °C / 38786.1 Torr 3.1: 57 percent / aq. KOH; BnEt3NCl / CH2Cl2 / Heating 4.1: LDA / tetrahydrofuran; hexane / 0.5 h / -78 °C 4.2: 73 percent / HMPA / tetrahydrofuran; hexane / -78 - 20 °C 5.1: AIBN / acetonitrile / 0.25 h / 100 °C 6.1: Raney-Ni / ethanol |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: AIBN / acetonitrile / 0.25 h / 100 °C 2: Raney-Ni / ethanol |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: LDA / tetrahydrofuran; hexane / 0.5 h / -78 °C 1.2: 73 percent / HMPA / tetrahydrofuran; hexane / -78 - 20 °C 2.1: AIBN / acetonitrile / 0.25 h / 100 °C 3.1: Raney-Ni / ethanol |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92% | With 4-n-butyl-4-(3-sulfopropyl)thiomorpholinium 1,1-dioxide trifluoromethane sulfonate In neat (no solvent) at 100℃; for 1h; | |
71% | With triethylsilane; trichloroacetic acid In toluene at 70℃; | |
71% | With triethylsilane; trichloroacetic acid In toluene at 70℃; for 2h; Inert atmosphere; |
62% | With 5% Pd(II)/C(eggshell); hydrogen; trifluoroacetic acid In dichloromethane at 0℃; | General procedure from 2-substituted indoles 1 to 2,3-disubstituted indoles 2 A solution of 2-substituted indole 1 (2 mmol) and the aldehyde or ketone 3 (2.2 mmol) in CH2Cl2 (10 mL) was added dropwise to a stirred, ice-cold solution of TFA (3.0 mmol) and 5% Pd/C (30 mg) in CH2Cl2 (5 mL) under H2 (1 atm) atmosphere. The mixture was stirred at 0 oC and monitored by TLC until completed (4-8 h). After evaporation of the solvent under reduced pressure, the product was purified by flash chromatography on silica gel using EtOAc/hexanes (1/5) as eluent |
62% | With dimethylmonochlorosilane In acetonitrile at 25℃; for 12h; Inert atmosphere; | General procedure: reductive etherification of carbonyl compounds with alcohols General procedure: To a mixture of carbonyl (0.25 mmol) and alcohol (0.275 mmol, 1.1 equiv) in acetonitrile (0.5 mL) wasadded chlorodimethylsilane (0.275 mmol, 1.1 equiv) under argon. The reaction mixture was stirred atroom temperature (ca. 25 °C) for 12 h. The reaction was then quenched by adding a drop of aqueousNaHCO3 solution under air. The resulting mixture was dried over Na2SO4 and concentrated underreduced pressure. The crude product was purified by column chromatography on silica gel(pentane/DCM or pentane/MTBE). |
49% | With bismuth (III) nitrate pentahydrate In neat (no solvent) at 140℃; for 5h; Sealed tube; | |
With triethylsilane; trichloroacetic acid In toluene at 70℃; Inert atmosphere; | ||
With triethylsilane; trichloroacetic acid In toluene at 70℃; for 3h; | ||
With triethylsilane; trichloroacetic acid In toluene at 70℃; for 3h; Inert atmosphere; | ||
With triethylsilane; trichloroacetic acid In toluene at 70℃; for 2h; Schlenk technique; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
85% | With hydrogenchloride In methanol; water at 20℃; for 2h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: sodium hydride / N,N-dimethyl-formamide / Inert atmosphere 1.2: 20 °C / Inert atmosphere 2.1: palladium diacetate; sodium carbonate; CyJohnPhos / N,N-dimethyl acetamide / 24 h / 125 °C / Inert atmosphere |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79% | Stage #1: 3-cyclohexyl-1H-indole With sodium hydride In N,N-dimethyl-formamide Inert atmosphere; Stage #2: methyl iodide In N,N-dimethyl-formamide at 20℃; Inert atmosphere; | |
Stage #1: 3-cyclohexyl-1H-indole With sodium hydride In N,N-dimethyl-formamide; mineral oil for 1h; Stage #2: methyl iodide In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: n-butyllithium / tetrahydrofuran; cyclohexane / -78 °C 1.2: 1 h / -78 °C 2.1: tetrabutyl-ammonium chloride; palladium diacetate; sodium carbonate; triphenylphosphine / N,N-dimethyl-formamide / 15 h / 100 °C / Inert atmosphere 3.1: hydrogenchloride / methanol; water / 2 h / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: tetrabutyl-ammonium chloride; palladium diacetate; sodium carbonate; triphenylphosphine / N,N-dimethyl-formamide / 15 h / 100 °C / Inert atmosphere 2: hydrogenchloride / methanol; water / 2 h / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | Stage #1: indole; cyclohexene With oxygen; palladium diacetate; trifluoroacetic acid In dimethyl sulfoxide at 110℃; for 0.333333h; Flow reactor; Green chemistry; Stage #2: With palladium on activated charcoal; hydrogen In ethanol at 20℃; for 3h; Green chemistry; regioselective reaction; | |
Multi-step reaction with 2 steps 1: palladium diacetate; trifluoroacetic acid; oxygen / dimethyl sulfoxide / 14 h / 60 °C 2: 10% Pd/C; hydrogen / 2 h / 20 °C / 760.05 Torr |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
96 % ee | Stage #1: methyl 4-phenyl-2-oxo-3-butenoate With copper(II) bis(trifluoromethanesulfonate); [3aS-[2(3'aR*,8'aS*),3a,8a]]methylenebis[3a,8a-dihydro-8H-indeno[1,2-d]oxazole] In toluene at 0℃; for 0.333333h; Inert atmosphere; Schlenk technique; Stage #2: 3-cyclohexyl-1H-indole In toluene at 0℃; for 12h; Inert atmosphere; Schlenk technique; Overall yield = 92 %; enantioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
23 mg | With tetrabutyl-ammonium chloride; sodium formate; palladium diacetate In 1-methyl-pyrrolidin-2-one at 27℃; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 41% 2: 20% 3: 5% | With palladium(II) trifluoroacetate; oxygen; bis[2-(diphenylphosphino)phenyl] ether In toluene at 140℃; for 8h; regioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | With palladium(II) trifluoroacetate; oxygen; bis[2-(diphenylphosphino)phenyl] ether In toluene at 140℃; for 30h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
62% | With zinc trifluoromethanesulfonate In toluene at 25℃; for 24h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
46% | With zinc trifluoromethanesulfonate In toluene at 25℃; for 24h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
92% | With bis(η3-allyl-μ-chloropalladium(II)); N-((1S,2R)-2-((R)-(4-bromophenyl)sulfinyl)-1,2-diphenylethyl)-2-(diphenylphosphino)benzamide; caesium carbonate In dichloromethane at 40℃; Inert atmosphere; Schlenk technique; enantioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With bis(η3-allyl-μ-chloropalladium(II)); caesium carbonate; 1,2-bis-(diphenylphosphino)ethane In dichloromethane at 40℃; Inert atmosphere; Schlenk technique; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
20% | Stage #1: 3-cyclohexyl-1H-indole With 1-(azidosulfonyl)-2,3-dimethyl-1H-imidazol-3-ium trifluoromethanesulfonate In 1,2-dichloro-ethane at 40℃; for 0.0833333h; Inert atmosphere; Stage #2: methanol In 1,2-dichloro-ethane at 40℃; for 0.333333h; Inert atmosphere; | |
20% | Stage #1: 3-cyclohexyl-1H-indole With 1-(azidosulfonyl)-2,3-dimethyl-1H-imidazol-3-ium trifluoromethanesulfonate In 1,2-dichloro-ethane at 40℃; for 0.0833333h; Inert atmosphere; Stage #2: methanol In 1,2-dichloro-ethane at 40℃; for 0.333333h; | 3 Example 3 Under nitrogen protection,0.5 mmol of 2,3-dimethylimidazole-1-sulfonyl azide trifluoromethanesulfonate2 was added to a solution of 0.5 mmol of 3-cyclohexylindole 1e in 4 ml of 1,2-dichloroethane.The reaction solution was placed in an oil bath and the temperature was controlled at 40 degrees Celsius.After stirring the reaction for 5 minutes, 2.5 mmol of methanol was added.After continuing the reaction at 40 ° C for 20 minutes, return to room temperature and distill off the solvent under reduced pressure.The residue was purified by silica gel column chromatography using ethyl acetate and petroleum ether as eluent.The corresponding 2-sulfonimidoindoline 3e was obtained in a yield of 20%. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 38% 2: 13% 3: 12% 4: 13% 5: 4% | With bismuth (III) nitrate pentahydrate In acetonitrile at 120℃; for 3h; Sealed tube; | |
1: 30% 2: 21% 3: 25% 4: 3% 5: 12% | With Cl4Zn In acetonitrile at 120℃; Sealed tube; | |
1: 12% 2: 26% 3: 28% 4: 15% 5: 6% | With Cl4Zn at 140℃; Sealed tube; |
1: 25% 2: 26% 3: 4% 4: 2% 5: 19% | With zinc trifluoromethanesulfonate In acetonitrile at 120℃; for 3h; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
70% | With Ru(2,2'-bipyridine)3(PF6)2*H2O; diisopropylamine at 20℃; for 10h; Schlenk technique; Inert atmosphere; Irradiation; regioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
80% | With (R)-3,3'-bis(2,4,6-triisopropylphenyl)binol phosphoric acid In acetonitrile at 0℃; for 12h; enantioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
60% | With copper(ll) bromide In chloroform at 20℃; for 1h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
67% | Stage #1: 3-cyclohexyl-1H-indole With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h; Stage #2: benzyl bromide In N,N-dimethyl-formamide at 0 - 20℃; for 1h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
81% | With tetrabutyl-ammonium chloride; bis-[(trifluoroacetoxy)iodo]benzene In dichloromethane at -10℃; Green chemistry; | 6.2 Example 6: Synthesis of 3-substituted oxindole (3-cyclohexyl-1-hydrogen-oxindole) Add the starting material 6 (40 mg, 0.2 mmol), tetrabutylammonium chloride hydrate (67 mg,0.24 mmol) to the same reactor, and then add 1.5 mL of the solvent dichloromethane to control the reaction temperature to -10 °C. A0.5 mL solution of [bis(trifluoroacetoxy)iodo]benzene (103 mg, 0.24 mmol) in dichloromethane was added dropwise, and the reaction was quickly confirmed by TLC. The reaction was quenched by the addition of 10 mL of saturated sodium bicarbonate solution. Extraction with dichloromethane (2X 3.0 mL), The organic phases were combined and washed with saturated brine. Dry over anhydrous sodium sulfate, Concentrated under reduced pressure, The obtained concentrate was separated by silica gel column chromatography ( petroleum ether / ethyl acetate, 5:1) The yield of 3-cyclohexyl-1-hydrogen-oxindole is 38.3 mg, the yield is 81%, and the chemical structural formula is: |
81% | With tetrabutyl-ammonium chloride; water; bis-[(trifluoroacetoxy)iodo]benzene In dichloromethane at 25℃; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: triethylamine; N-chloro-succinimide / dichloromethane / 0.25 h / 0 °C 2: dichloromethane / 1 h / 20 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With N-chloro-succinimide; triethylamine In dichloromethane at 0℃; for 0.25h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 46 % de 2: 5.3% 3: 24% | With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 13h; Inert atmosphere; diastereoselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
50% | With sodium L-ascorbate In methanol; water at 20℃; for 0.0833333h; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
94% | With (S)-(+)-N-(3,5-dioxa-4-phosphacyclohepta-[2,1-a;3,4-a′]dinaphthalen-4-yl)dibenz[b,f]azepine; bis(1,5-cyclooctadiene)diiridium(I) dichloride; magnesium(II) perchlorate In dichloromethane at 40℃; Schlenk technique; Inert atmosphere; enantioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With (3,5-dioxa-4-phospha-cyclohepta[2,1-a;3,4-a']diphenyl-4-en)-dibenzo[b,f]azepine; bis(1,5-cyclooctadiene)diiridium(I) dichloride; magnesium(II) perchlorate In dichloromethane at 40℃; Schlenk technique; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
71% | With disodium hydrogenphosphate; [4,4′-di-tert-butyl-2,2′-bipyridine]bis[5-methyl-2-(4-methyl-2pyridinyl)phenyl]iridium(III) hexafluorophosphate In 1,2-dichloro-ethane at 20℃; for 20h; Inert atmosphere; Irradiation; regioselective reaction; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
1: 78% 2: 6% | With palladium 10% on activated carbon; 10% Nb2O5/AC; 2,3-dimethyl-buta-1,3-diene In water; toluene at 130℃; for 24h; Molecular sieve; Inert atmosphere; | |
1: 55% 2: 45% | With palladium 10% on activated carbon; 10% Nb2O5/AC In water; toluene at 130℃; for 24h; Molecular sieve; Inert atmosphere; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1: C37H36Cl2NPRuS2; potassium hydroxide / toluene / 24 h / 135 °C / Inert atmosphere; Sealed tube 2: C37H36Cl2NPRuS2; potassium hydroxide / 18 h / 135 °C / Inert atmosphere; Sealed tube | ||
Multi-step reaction with 2 steps 1: C37H36Cl2NPRuS2; potassium hydroxide / 48 h / 135 °C / Inert atmosphere; Sealed tube 2: C37H36Cl2NPRuS2; potassium hydroxide / 18 h / 135 °C / Inert atmosphere; Sealed tube |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
76 % ee | With (S)-3,3'-bis(2,4,6-tri-iso-propylphenyl)-1,1'-binaphthyl-2,2'-diyl hydrogenphosphate In acetonitrile at -20 - 0℃; Overall yield = 55 percent; enantioselective reaction; | General procedure of enantioselective [3+2] coupling of 3-substituted indoles 1 with Quinones 2 General procedure: 3-Substituted indole 1 (0.20 mmol) and Quinones 2 (0.30 mmol) were placed in a flame-dried vial equipped with a magnetic stirring bar. Then 2 mL of CH3CN was added to dissolve the mixture. The solution was cooled to 0 oC. Afterwards chiral phosphoric acid (R)-PA8 (0.01 mmol, 10 mol%) was added. The reaction mixture was stirred at -20 oC until no starting material was detected by TLC. The solvent was evaporated and the residue was subjected to chromatography (silica gel, Petroleum ether/ EtOAc: 5/1 to 4/1) to afford the desired product 3. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
43% | With trifluorormethanesulfonic acid In acetonitrile at 25℃; for 24h; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
62% | With trifluorormethanesulfonic acid In acetonitrile at 100℃; for 5h; Sealed tube; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 3 steps 1.1: tetrahydrofuran / 24 h / 20 °C / Inert atmosphere; Schlenk technique 1.2: 2 h / Inert atmosphere; Schlenk technique 2.1: n-butyllithium / diethyl ether / 4 h / 20 °C / Inert atmosphere; Schlenk technique 2.2: 24 h / -78 - 20 °C / Inert atmosphere; Schlenk technique 2.3: 2 h / 50 °C 3.1: n-butyllithium / diethyl ether / 1 h / -78 - 20 °C / Inert atmosphere; Schlenk technique 3.2: 5 h / -78 - 20 °C / Inert atmosphere; Schlenk technique |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
Multi-step reaction with 2 steps 1.1: tetrahydrofuran / 24 h / 20 °C / Inert atmosphere; Schlenk technique 1.2: 2 h / Inert atmosphere; Schlenk technique 2.1: n-butyllithium / diethyl ether / 4 h / 20 °C / Inert atmosphere; Schlenk technique 2.2: 24 h / -78 - 20 °C / Inert atmosphere; Schlenk technique 2.3: 2 h / 50 °C |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
91% | Stage #1: 3-cyclohexyl-1H-indole; N,N-dimethyl(methylene)ammonium chloride In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; Schlenk technique; Stage #2: With triethylamine In tetrahydrofuran for 2h; Inert atmosphere; Schlenk technique; | Synthesis of 4b : Dimethylmethyleneammonium chloride (1.20 g, 12.8 mmol) and 3-cyclohexylindole 4a (1.27 g, 6.4 mmol) were added to tetrahydrofuran (20 mL). The mixture was stirred for 24 h at ambient temperature, gradually forming a yellow suspension. Triethylamine (1.8 mL, 13.0 mmol) was added to the mixture, and stirring was continued for 2 h. The solvent was removed in vacuo, affording a white residue. The residue was suspended in water (60.0 mL), and the product was extracted with dichloromethane (2 ×20 mL). The combined organic layers were dried over an- hydrous MgSO 4 , and the solvent was removed in vacuo to afford 4b (1.50 g, 91%) as a pale-yellow oil. 1H NMR (400 MHz, CDCl3) δ= 7.72 (d, J = 7.9 Hz, 1H), 7.48 (d, J = 8.2 Hz, 1H), 7.27 (t, J = 7.5 Hz, 1H), 7.17 (t, J = 7.5 Hz, 1H), 6.97 (s, 1H), 4.73 (s, 2H), 2.94 -2.91 (m, 1H), 2.36 (s, 6H), 2.20 (d, J = 6.6 Hz, 2H), 1.94 -1.85 (m, 3H), 1.60 -1.50 (m, 4H), 1.39 (m, 1H); 13CNMR (100 MHz, CDCl3) δ= 160.27, 150.29, 146.87, 145.15, 144.45, 142.23, 141.61, 132.77, 91.45, 90.86, 65.66, 58.23, 57.01, 49.85, 49.47, 48.52; HRMS (EI): m/z [M] + calcd for C17H24N2 + : 256.1939, found: 256.1940. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
73% | With N,N-diphenyl-4-methoxyaniline In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere; Irradiation; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With 4-dimethylaminopyridine; triethylamine In dichloromethane at 23℃; for 2h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
83% | With 3,3,6,6,9,9-hexamethyl-1,2,4,5,7,8-hexaoxacyclononane In propan-2-one at -10℃; for 2h; | 8 Example 8: Preparation of 9-cyclohexyl-8-p-toluenesulfonyl-4H-indoline[1,2,4]triazolo[5,1-a]isoquinolin-9-ol Methyl-8-p-toluenesulfonyl-4H-benzo[f]indole[1,2,4]triazolo[5,1-a]isoquinolin-9-ol Take a 10 mL reaction tube, add 3-cyclohexyl indole (40 mg, 0.2 mmol), azomethine imine (72 mg, 0.24 mmol), and acetone solution of peroxyacetone (3 mL) in turn, and stir reaction 2 at -10 °C hours, then spin to dryness, pass through the column with petroleum ether:ethyl acetate=5:1,85 mg of the target compound was obtained as a white solid with a yield of 83%.Its NMR and mass spectrometry data are as follows: |
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