3-methyl-chroman and -thiochroman derivatives
US6552069B1 · kind B1 · utility
1Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2002 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Jun 13, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/58
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a compound having the following general formula (1): in whichR1 represents a hydrogen atom, etc.;R2 represents a C3-C3 perhalogenoalkyl group, etc.;each of R3 and R4 independently represents a hydrogen atom, etc.;X represents an oxygen atom or a sulfur atom;m represents an integer of 2 to 14; andn represents an integer of 0 to 8;or enantiomers of the compound, or hydrates or pharmaceutically acceptable salts of the compound or its enantiomers. The compound of general formula (1) is advantageous in pharmaceutical use because of its anti-estrogenic activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.