Lactones of 2,2-dimethyl-cyclopropane-1-carboxylic acids
US4166063A · kind A · utility
11Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1978 |
| Grant date | Aug 28, 1979 |
| Priority date | — |
| Expiry date | Jun 12, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C62/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel lactones of 2,2-dimethyl-cyclopropane-1-carboxylic acids of the formula ##STR1## wherein X.sub.1, X.sub.2 and X.sub.3 when identical are selected from the group consisting of chlorine and bromine and when at least two are different, are selected from the group consisting of fluorine, chlorine and bromine and a novel process for their preparation and a process for the preparation of cis 2,2-dimethyl-cyclopropane-1-carboxylic acids of the formula ##STR2##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.