ethyl (R)-8-bromo-6-(2-fluorophenyl)-4-methyl-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate

Base Information

Chemical Name:ethyl (R)-8-bromo-6-(2-fluorophenyl)-4-methyl-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate
CAS No.:872874-12-9
Molecular Formula:C₂₁H₁₇BrFN₃O₂
Molecular Weight:442.287
Hs Code.:

Synonyms:ethyl (R)-8-bromo-6-(2-fluorophenyl)-4-methyl-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate

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Chemical Property of ethyl (R)-8-bromo-6-(2-fluorophenyl)-4-methyl-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate

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Technology Process of ethyl (R)-8-bromo-6-(2-fluorophenyl)-4-methyl-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate

There total 9 articles about ethyl (R)-8-bromo-6-(2-fluorophenyl)-4-methyl-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 78.0%

: 872874-11-8
(R)-7-bromo-5-(2-fluorophenyl)-3-methyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one

: 105-56-6
ethyl 2-cyanoacetate

: 872874-12-9
ethyl (R)-8-bromo-6-(2-fluorophenyl)-4-methyl-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate

Guidance literature:: With potassium tert-butylate; diethyl chlorophosphate; In tetrahydrofuran; at -78 - 20 ℃;

Reference yield: 61.0%

: 872874-11-8
(R)-7-bromo-5-(2-fluorophenyl)-3-methyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one

: 2999-46-4
Ethyl isocyanoacetate

: 872874-12-9
ethyl (R)-8-bromo-6-(2-fluorophenyl)-4-methyl-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate

Guidance literature:: (R)-7-bromo-5-(2-fluorophenyl)-3-methyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one; With potassium tert-butylate; In tetrahydrofuran; at -20 ℃; for 1.5h; Inert atmosphere;

With diethyl chlorophosphate; In tetrahydrofuran; at -20 ℃; for 2h; Inert atmosphere;

Ethyl isocyanoacetate; With potassium tert-butylate; In tetrahydrofuran; at -20 - 20 ℃; Inert atmosphere;
DOI:10.1021/acs.oprd.0c00200

Reference yield: 38.0%

: 2999-46-4
Ethyl isocyanoacetate

: 872874-12-9
ethyl (R)-8-bromo-6-(2-fluorophenyl)-4-methyl-4H-benzo[f]imidazo[1,5-a][1,4]diazepine-3-carboxylate

Guidance literature:: (R)-7-bromo-5-(2-fluorophenyl)-3-methyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one; With sodium hydride; In tetrahydrofuran; at -10 - 20 ℃; for 3h;

With diethyl chlorophosphate; In tetrahydrofuran; at -10 ℃; for 3h;

Ethyl isocyanoacetate; With sodium hydride; In tetrahydrofuran; at -30 ℃; for 24h;