7-bromo-5-(2-halophenyl)-1h-2,3-dihydro-1,4- benzodiazepine...

Details 7-bromo-5-(2-halophenyl)-1h-2,3-dihydro-1,4- benzodiazepine... 7-bromo-5-(2-halophenyl)-1h-2,3-dihydro-1,4- benzodiazepine...

C - Chemistry, Metallurgy

07

D

260/239.1

C07D 487/04 (2006.01)

Patent

CA 1196634

- 30 - ABSTRACT OF THE DISCLOSURE Disclosed are 7-bromo-5-(2-halophenyl)-1H- 2, 3-dihydro-1, 4-benzodiazepines of the formula I Image I in which R1 is a hydrogen atom or a lower alkoxy or alkanoyloxy radical and R2 is a halogen atom. The compounds possess psychopharmacological, and especially anti-aggressive properties. To manufacture compounds of formula I, corresponding 2-halomethyl- 7-bromo-5-(2-halophenyl)-1H-2,3-dihydxo-1,4-benzo- diazepines are cyclized to corresponding 7-bromo- 1,2-methylene-5-(2-halophenyl)-1H-2,3-dihydro-1,4- benzodiazepines and in these the aziridine ring is opened through treatment with a lower alcohol ox a lower carboxylic acid in the presence of a Lewis acid.

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