发明授权
US5741794A Heterocyclic sulfonamide derivatives as antagonists of PAF and angiotensin II 失效
作为PAF和血管紧张素II拮抗剂的杂环磺酰胺衍生物

Heterocyclic sulfonamide derivatives as antagonists of PAF and
angiotensin II
摘要:
Compounds of formula (I), wherein: A represents: a) a --VR.sup.6 group wherein v is --C(.dbd.O), --C(.dbd.O)O--, --CH.sub.2 O--, --CH.sub.2 OC(.dbd.O)--, --C(.dbd.S)--, --CH.sub.2 OC(.dbd.O)NH--, --C(.dbd.S)O--, --CH.sub.2 S--, --C(.dbd.O)NHSO.sub.2 --, --SO.sub.2 NHC(.dbd.O)-- or --CH.sub.2 OSiPh.sub.2 --; b) a --CH.sub.2 NR.sup.9 R.sup.10 group or a --CONR.sup.9 R.sup.10 group wherein each of R.sup.9 and R.sup.10 is independently hydrogen, -alkyl-, -alkenyl-, -alkynyl, -cycloalkyl, -cycloalkenyl, pyridyl (any of which may optionally be substituted) or a group --D as defined above or R.sup.9 and R.sup.10 together with the nitrogen atom to which they are attached form a nitrogen-containing heterocyclic ring; c) a group Y where Y is a 5- or 6-membered optionally substituted heterocyclic ring containing one or more heteroatoms selected from nitrogen, oxygen and sulphur; or d) a group --CH.sub.2 Y or --C(.dbd.O)NHY; where Y is as defined above; B represents a 5- or 6-membered heterocyclic ring containing one or more nitrogen atoms in its ring, are antagonists of platelet activating factor (PAF) and/or antagonists of angiotensin II.
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