Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1993-09-29
1995-09-05
Walsh, Donald P.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
544333, 544375, 549220, 549510, C07D41300
Patent
active
H00014877
ABSTRACT:
This invention relates to a compound of formula I ##STR1## or a pharmaceutically acceptable salt thereof, in which R.sup.2 is a radical of the formula ##STR2## in which R.sup.a and R.sup.b are independently hydrogen or C.sub.1-6 alkyl, said C.sub.1-6 alkyl being optionally substituted with hydroxy, phosphono, phosphonooxy, carboxy or di(C.sub.1-6 alkyl) amino; or NR.sup.a R.sup.b together represents a radical of the formula ##STR3## in which y is one to three, and R.sup.a is as defined above; R.sup.p and R.sup.r are independently same or different C.sub.1-6 alkyl;
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Doyle Terrence
Wong Henry
Bristol--Myers Squibb Company
Carroll Chrisman D.
Han William T.
Walsh Donald P.
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