Synthesis of acylated benzothiophenes
US4380635A · kind A · utility
271Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 16, 1981 |
| Grant date | Apr 19, 1983 |
| Priority date | — |
| Expiry date | Dec 16, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/56
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A group of 6-hydroxy-2-(4-hydroxyphenyl)-3-[4-(2-aminoethoxy)benzoyl]benzo[b]thiophen es are prepared by acylation of a methyl-protected starting compound followed by demethylation in a single reaction mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.