Compounds useful in preparing antiproliferative agents and garft

Details Compounds useful in preparing antiproliferative agents and garft Compounds useful in preparing antiproliferative agents and garft

1995-06-07

1997-04-29

Grumbling, Matthew V.

Organic compounds -- part of the class 532-570 series

Organic compounds

544 48, 544105, C07D40308, C07D40310, C07D40312

Patent

active

056250614

ABSTRACT:
Compounds of the invention include those of the following formula: ##STR1## In this formula, A is oxygen, sulfur or selenium; X' is a substituted or unsubstituted C.sub.1 -C.sub.3 alkyl group, a substituted or unsubstituted C.sub.2 -C.sub.3 alkenyl group, a substituted or unsubstituted C.sub.2 -C.sub.3 alkynyl group, a substituted or unsubstituted amino group, sulfur or oxygen; Y is oxygen, sulfur or NH; B is hydrogen or a halogen; C is hydrogen, a halogen or a substituted or unsubstituted C.sub.1 -C.sub.6 alkyl group; and R.sub.6 is hydrogen or a moiety that forms with the attached CO.sub.2 a readily hydrolyzable ester group.

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