Method of producing acetate derivative
US7078559B2 · kind B2 · utility
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2References
19Claims
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Key dates
| Filing date | Jul 13, 2004 |
| Grant date | Jul 18, 2006 |
| Priority date | — |
| Expiry date | Jul 13, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a method of producing an acetate derivative represented by the formula (II) by demonocarboxylating dimalonate represented by the formula (I), wherein water is supplied while the concentration of water in a demonocarboxylating reaction solution is controlled to 0.4% by weight or less to run demonocarboxylation:wherein n denotes an integer of 1 or 2, R1 and R2 represent H, a C1-8 alkyl group or the like and R3 represents a C1-3 alkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.