Method for producing fluorine-containing acylacetic acid derivative, method for producing fluorine-containing pyrazolecarboxylic acid ester derivative, and method for producing fluorine-containing pyrazolecarboxylic acid derivative
US8344156B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 11, 2009 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Mar 13, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D231/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A halogenating agent is added to a mixture including a base, a fluoroalkylcarboxylic acid derivative and an acrylate derivative to produce a fluoroaclyacetic acid derivative represented by the following Formula (3):wherein Rf represents a fluorine containing alkyl group, R1 and R2 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an arylalkyl group or an acyl group, or together represent an atomic group that forms a 5- or 6-membered ring containing a nitrogen atom to which R1 and R2 are bonded; R3 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, or an arylalkyl group; and R4 represents an alkyl group, a cycloalkyl group, an aryl group, or an aryl alkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.