Process for preparing 1,5-benzothiazepine derivatives
US5128469A · kind A · utility
4Cited by
6References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1991 |
| Grant date | Jul 7, 1992 |
| Priority date | — |
| Expiry date | Jun 26, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D281/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This disclosure describes a process for the preparation of 1,5-benzothiazepinone derivatives. The process involves the use of sulfonic acids as catalysts to effect ring closure to form the 1,5-benzothiazepinone ring. The resulting compounds have well known pharmaceutical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.