Intermediates for preparing 1,4-benzodiazepine-2-ones having a c

Details Intermediates for preparing 1,4-benzodiazepine-2-ones having a c Intermediates for preparing 1,4-benzodiazepine-2-ones having a c

1973-09-26

1976-06-29

Patten, James A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602393D, 260329AM, 2603322A, 2603323R, 2603325, 2603474, 2603477, 260518R, 260519, 260566D, 260566R, 424275, 424285, 424309, C07C11900

Patent

active

039667936

ABSTRACT:
Intermediates for preparing novel benzodiazepines having the formula ##SPC1##
In which R.sub.1 is a hydrogen or halogen atom or a trifluoromethyl, loweralkyl, loweralkoxy, nitro or amino group; R.sub.2 is a furyl, a thienyl, cyclohexyl, a loweralkyl group or a phenyl group which may be substituted by a halogen atom or by a trifluoromethyl, nitro, loweralkoxy or loweralkyl group; and R.sub.3 is a hydrogen atom or a loweralkyl group; and R.sub.4 is lowercarbalkoxy, carbamoyl, N-loweralkylcarbamoyl, N,N-diloweralkylcarbamoyl, N-(diloweralkylaminoalkyl)carbamoyl, a group having the formula --COOCat in which Cat is a cation of an alkali metal or a semication of an alkaline earth metal or COOCat.CatOH, said intermediates being ortho-aminoaryl ketimines having the formula ##SPC2##
Wherein R is hydrogen or ##EQU1## R.sub.1, R.sub.2, and R.sub.3 are as defined above, R.sub.4 is a hydrogen atom, a lowercarbalkoxy, carbamoyl, N-loweralkylcarbamoyl, N,N-diloweralkylcarbamoyl, N-(diloweralkylaminoalkyl)-carbamoyl, alkyl or substituted alkyl group; and R.sub.5 is a loweralkyl group.

REFERENCES:
patent: 3751466 (1973-08-01), Menasse et al.

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