Amidine benzodiazepines, methods for their use and intermediates

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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2602433, A61K 3155

Patent

active

045872449

ABSTRACT:
Fused tetracyclic benzodiazepines of the formula (I): ##STR1## where R.sup.1 is a cyclic amine such as 1-piperazine and R.sup.2 is H or a substituent as defined herein are useful as antiovulatory and contragestational agents. Also, methods for their synthesis, intermediates used in such synthesis, methods for use as medicaments and pharmaceutical compositions are described.

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