Coumarin derivatives, pharmaceutical compositions containing the

Details Coumarin derivatives, pharmaceutical compositions containing the Coumarin derivatives, pharmaceutical compositions containing the

1984-07-27

1988-04-12

Raymond, Richard L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

549289, A61K 3137, C07D31106

Patent

active

047375175

ABSTRACT:
A compound having the formula: ##STR1## wherein R.sub.1 is halogen or a substituted or unsubstituted hydrocarbon group; R.sub.2 R.sub.6 and R.sub.7, which may be the same or different, each represents hydrogen or a substituted or unsubstituted hydrocarbon group, or R.sub.6 and R.sub.7 taken together may represent a hetero group having one or more hetero atoms; R.sub.3 and R.sub.4 which may be the same or different each represents a substituted or unsubstituted hydrocarbon group; or R.sub.3 and R.sub.4 taken together may represent an alkylene group or a hetero group having one or more hetero atoms and R.sub.5 is hydrogen, a substituted or unsubstituted hydrocarbon group, halogen or a free or protected hydroxy group, or a pharmaceutically acceptable salt thereof. The compounds have antiaggregating properties.

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