CRYSTALLINE BETA-MODIFICATION OF 7-BROMO-1,3-DIHYDRO-5-(2-CHLOROPHENYL)-2H-1,4-BENZODIAZEPIN-2-ONE AND SYNTHESIS METHOD THEREOF Russian patent published in 2011 - IPC C07D243/24 C07D243/26 A61K31/5513 A61P25/22 

Abstract RU 2430094 C1

FIELD: chemistry.

SUBSTANCE: described is a novel crystalline β-modification of 7-bromo-1,3-dihydro-5-(2-chlorophenyl)-2H-1,4-benzodiazepin-2-one (phenazepam) and synthesis method thereof, which can be used in pharmaceutical industry and medicine as a tranquilliser. Said novel crystalline β-modification of 7-bromo-1,3-dihydro-5-(2-chlorophenyl)-2H-1,4-benzodiazepin-2-one is characterised by certain interplanar spacing (A0) and corresponding intensity and parameters of the crystal lattice, given in the claims.

EFFECT: marked muscle relaxant, soporific, anticonvulsant and anxiolytic action.

2 cl, 7 ex, 2 tbl, 9 dwg

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RU 2 430 094 C1

Authors

Morozov Jurij Nikolaevich

Sergeev Boris Mikhajlovich

Kolotilov Pavel Nikolaevich

Shabatin Vladimir Petrovich

Sergeev Gleb Borisovich

Chernyshev Vladimir Vasil'Evich

Voronina Tat'Jana Aleksandrovna

Molodavkin Gennadij Matveevich

Dates

2011-09-27Published

2010-03-17Filed