Triazole intermediates for tricyclic benzazepine and benzothiaze

Details Triazole intermediates for tricyclic benzazepine and benzothiaze Triazole intermediates for tricyclic benzazepine and benzothiaze

1997-06-26

1998-11-24

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

546210, 5462684, 548251, 548255, C07D24904

Patent

active

058408959

ABSTRACT:
Compounds of formulae (II), (III), (IV) and (V) or salts thereof are intermediates for pharmacologically active tricyclic benzazepine and benzothiazepine derivatives, ##STR1## wherein R represents hydrogen, alkyl, phenylalkyl, or a protective group of a triazole ring, R.sup.1 -R.sup.5 represent hydrogen, alkyl, alkenyl, alkoxy, amino, oxim or hydroxyl, and R.sup.41 represents hydrogen, C.sub.1-6 alkyl which may be optionally substituted, or a protective group for a carboxyl group.

REFERENCES:
patent: 4959361 (1990-09-01), Walsea
patent: 5481002 (1996-01-01), Fischer et al.
Gurtler et al., Dicarboxylates of 3-methyldidene-.beta.-lactams: addition reactions to the exocyclic double bond, formation of spiro-.beta.-lactams, and reductive ring opening by hydrazines, Helv. Chim. Acta, 76(8), 2958-68, 1993, Dec. 15, 1993.
Buckle et al., Studies on 1,2,3-Triazoles, J. Med. Chem. 27(2), 223-7, 1984 .

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