Substantially isomerically pure hexane or hexene compounds
US5342981A · kind A · utility
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8Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 10, 1993 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Feb 10, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to intermediates useful in a 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 cycloalkyl, cycloalkylalkyl, phenyl or benzyl. These intermediates are compounds of the formula: ##STR2## wherein P.sub.2 is an O-protecting group, P.sub.3 is an N-protecting group and 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.