Process for making monomenthyl esters
US7247743B1 · kind B1 · utility
1Cited by
3References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 27, 2006 |
| Grant date | Jul 24, 2007 |
| Priority date | — |
| Expiry date | Feb 27, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for making monomenthyl esters of dicarboxylic acids is disclosed. Menthol reacts with a saturated, cyclic anhydride in the presence of a base catalyst under conditions effective to produce a mixture of mono- and bis-menthyl esters in which the molar ratio of mono- to bis-menthyl esters is enhanced compared with the ratio of esters produced in a similar uncatalyzed process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.