Amidine benzodiazepines, methods for their use and intermediates
US4587244A · kind A · utility
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2Claims
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Key dates
| Filing date | Apr 10, 1985 |
| Grant date | May 6, 1986 |
| Priority date | — |
| Expiry date | Apr 10, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.