Substituted 3-aryl-3-carboxyalkyl glutaramides, method for preparing same by 4-arylo-4-cyanoheptane dicarboxylic acid cyclisation, and use thereof for preparing 3-aryl-3-hydroxyalkylpiperidines
US6008360A · kind A · utility
7Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1998 |
| Grant date | Dec 28, 1999 |
| Priority date | — |
| Expiry date | Sep 3, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D409/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to glutarimides of formula (I): ##STR1## in which Ar represents a phenyl non substituted or substituted one or more times with one of the substitutents selected from a halogen atom, a hydroxyl, a (C.sub.1 -C.sub.4)alkoxy, a trifluoromethyl, a (C.sub.1 -C.sub.4)alkyl, said substitutents being identical or different ; a pyridyl group; a thienyl group and X is methylene or ethylene, their salts and their enantiomers, as well as their method of preparation and their use for the preparation of the corresponding 3,3-disubstituted piperidines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.