Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1986-09-22
1987-05-19
Hollrah, Glennon H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549442, 549365, 558404, 558408, 558410, 560 29, 568586, 568587, C07D21720
Patent
active
046670386
ABSTRACT:
Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 and each independently --H or lower alkoxy; R.sub.3 and R.sub.4 are each independently lower alkyl; and R.sub.5 and R.sub.6 are each --OCH.sub.3, or together form --OCH.sub.2 O-- or --OCH.sub.2 CH.sub.2 O--, and pharmaceutically acceptable acid addition salts thereof are prepared by cyclizing, deoxygenating, coupling, or hydrogenating the intermediates disclosed herein.
Berger Jacob
Chiu Fang-Ting
Clark Robin
Gardner John O.
Muchowski Joseph M.
Green Grant D.
Hollrah Glennon H.
Krubiner Alan M.
Moran Tom M.
Syntex (U.S.A.) Inc.
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