Isolation, structural elucidation and synthesis of novel antineo

Details Isolation, structural elucidation and synthesis of novel antineo Isolation, structural elucidation and synthesis of novel antineo

1992-02-10

1995-04-25

Raymond, Richard L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

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

514721, 514733, A61K 3136, A61K 3109, A61K 3105

Patent

active

054099536

ABSTRACT:
New antineoplastic substances have been isolated, structurally elucidated and synthesized having a general structural formula of: ##STR1## wherein: R.sub.1 is OH or OCH.sub.3 ;

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