Acetamides derived from 2,3-dihydro-3-phenyl-2-benzofuranone
US4886799A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1988 |
| Grant date | Dec 12, 1989 |
| Priority date | — |
| Expiry date | Sep 14, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB64G1/42
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The invention relates to new acetamides derived from 2,3-dihydro-3-phenyl-2-benzofuranone, of general formula I ##STR1## in which: R.sub.1 denotes a hydrogen or halogen atom, PA0 R.sub.2 and R.sub.3, which may be identical or different, each denote a hydrogen atom or a linear or branched alkyl radical containing 1 to 4 carbon atoms, a benzyl radical optionally substituted with a halogen atom, with an alkoxy radical containing 1 to 4 carbon atoms or with an alkyl radical having 1 to 4 carbon atoms, or a 3,4-methylene-dioxybenzyl radical, or form, together with the nitrogen to which they are attached, a 4-morpholinyl radical or a 1-piperazinyl radical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.