Method of preparing enantiomerically-enriched tetrahydrobenzothiepine oxides
US6875877B2 · kind B2 · utility
14Cited by
2References
3Claims
0Family size
Inventors
Key dates
| Filing date | Feb 11, 2002 |
| Grant date | Apr 5, 2005 |
| Priority date | — |
| Expiry date | Feb 11, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D337/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing enantiomerically enriched tetrahydrobenzothipeine oxides comprises cyclizing an enantiomerically enriched aryl-3-propanalsulfoxide wherein the sulfur atom of the aryl-3-propanalsulfoxide is a chiral center.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.