Estra-1,3,5(10)-triene derivatives
US6953785B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2001 |
| Grant date | Oct 11, 2005 |
| Priority date | — |
| Expiry date | Oct 23, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J41/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is steroid sulfatase inhibitors comprising, as the active ingredient, an estra-1,3,5(10)-triene derivative which is represented by formula (I): {wherein R1 and R2 are the same or different and represent a hydrogen atom, a lower alkyl group or, etc.; R3 represents a hydrogen atom etc.; R4 represents a hydrogen atom etc.; R5 represents a hydrogen atom etc.; R6 represents a cyano group, an amino group, COR53 (wherein R53 represents a substituted lower alkyl group etc.), a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, etc}, or pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.