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ChemicalBook CAS DataBase List [7-Chloro-5-(2-fluoro-phenyl)-3H-benzo[e][1,4]diazepin-2-yl]-methyl-amine
59467-61-7

[7-Chloro-5-(2-fluoro-phenyl)-3H-benzo[e][1,4]diazepin-2-yl]-methyl-amine synthesis

4synthesis methods
-

Yield:59467-61-7 91.7%

Reaction Conditions:

in ethanol;dimethyl sulfoxide at 18; for 0.5 h;Temperature;

Steps:

1-4

Dissolve 80g of 7-chloro-5-(2-fluorophenyl)-1,3-dihydro-2H-1,4-benzodiazepine-2-thione in 800ml with a concentration of 30 to 33% by weight In methylamine ethanol solution,Slowly add 240ml of dimethyl sulfoxide, control the temperature at 18±2, and stir for 30 minutes.Concentrate until the volume no longer decreases, slowly add 240ml of water and beat for 2 hours. After suction filtration and drying, 72.6 g of 7-chloro-5-(2-fluorophenyl)-3H-1,4-benzodiazepine-2-methylamine was obtained. The yield was 91.7%.

References:

CN112028843,2020,A Location in patent:Paragraph 0043; 0045-0046; 0048-0049; 0051-0052; 0054