Ester derivatives of 4-hydroxy-4-androstene-3,17-dione and a method for inhibiting estrogen biosynthesis
US4235893A · kind A · utility
32Cited by
1References
6Claims
0Family size
Inventors
Key dates
| Filing date | May 8, 1978 |
| Grant date | Nov 25, 1980 |
| Priority date | — |
| Expiry date | May 8, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J1/0011
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to ester derivatives of 4-hydroxy-4-androstene-3,17-dione (4-OH-4-A), including the acetate, heptanoate, dodecanoate, hemisuccinate and benzoate esters of 4-OH-4-A. This invention also relates to a method of using the esters in the inhibition of estrogen biosynthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.