Tetra-alkyl-2,2,5,5-cyclohexanone-4-01-1 compounds and their sulphonyl derivatives, the process and the intermediates for preparing them and their use in the synthesis of cis-cyclopropane lactones
US4749797A · kind A · utility
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Key dates
| Filing date | Jun 24, 1986 |
| Grant date | Jun 7, 1988 |
| Priority date | — |
| Expiry date | Jun 24, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/939
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New tetra-alkyl-2,2,5,5-cyclohexanone-4-ol-1-compounds and their sulphonyl derivatives with the general formula: ##STR1## in which: each of R and R', identical or different, represents an alkyl radical (1-5 carbons) and R" represents a hydrogen atom or a radical SO.sub.2 R"' in which R"' represents an alkyl radical (1-5 carbons) or an aryl radical (6-14 carbons), the process and the intermediates for their preparation, as well as their use in the synthesis of cyclopropane lactones of cis structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.