Isomerically pure 2-piperidone compounds
US5229518A · kind A · utility
2Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1991 |
| Grant date | Jul 20, 1993 |
| Priority date | — |
| Expiry date | Nov 20, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/86
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to intermediates useful in the process for the preparation of a compound of the formula: ##STR1## wherein R.sub.2a is hydrogen or loweralkyl, R.sub.2b is hydrogen, loweralkyl, cycloalkyl or phenyl and R.sub.1 is loweralkyl, cycloalky, cycloalkylalkyl, phenyl or benzyl. These intermediates are compounds of the formula: ##STR2## wherein R.sub.1, R.sub.2a and R.sub.2b are defined as above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.