4-amino androstendione derivatives and process for their preparation
US4757061A · kind A · utility
20Cited by
0References
6Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 10, 1986 |
| Grant date | Jul 12, 1988 |
| Priority date | — |
| Expiry date | Feb 10, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J41/0027
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention discloses 4-substituted androstendione derivatives of the following formula (I) ##STR1## wherein R is amino or substituted amino or azido, PA0 one of R.sub.1 and R.sub.2 is hydrogen and the other is hydrogen, alkyl, alkenyl or alkynyl, and PA0 (x) and (y) are each, independently, a single bond or a double bond. The compounds of formula (I) are useful aromatase inhibitors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.