Process for preparing benzazepine intermediates for the synthesi

Organic compounds -- part of the class 532-570 series – Organic compounds – Unsubstituted hydrocarbyl chain between the ring and the -c-...

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548955, 548961, 564308, 564428, C07D22314, C07D20326, C07D40506

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054630517

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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