Process for preparing intermediates for the synthesis of D1 anta

Details Process for preparing intermediates for the synthesis of D1 anta Process for preparing intermediates for the synthesis of D1 anta

1995-05-19

1997-09-23

Trinh, Ba K.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549374, 549451, 549453, 549455, 564308, C07D31728, C07D31906

Patent

active

056706669

ABSTRACT:
Disclosed are a process and intermediates of the formulae ##STR1## wherein X.sup.- is halide, BF.sub.4.sup.-, R.sup.3 SO.sub.3.sup.-, wherein R.sup.3 is C.sub.1 -C.sub.6 alkyl, CF.sub.3, C.sub.1 -C.sub.6 alkylphenyl or phenyl, and Q is a group of the formula ##STR2## wherein R is C.sub.1 -C.sub.6 alkyl; useful for preparing benzazepine intermediates of the formula ##STR3## These benzazepine intermediates are useful for preparing benzazepines having activity as selective D1 receptor antagonists.

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