Process for the preparation of an n-phenylacetic derivative of tetrahydrothieno(3,2-c)pyridine and its chemical intermediate
US5204469A · kind A · utility
22Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1991 |
| Grant date | Apr 20, 1993 |
| Priority date | — |
| Expiry date | Jul 3, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for the preparation of the compound of formula ##STR1## wherein a formylating agent is reacted with the compound of formula ##STR2## and wherein the compounds obtained are cyclised in the presence of an acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.