Title:
METHOD FOR PURIFYING ACRYLIC ACID ESTER COMPOUND
Document Type and Number:
WIPO Patent Application WO/2022/039241
Kind Code:
A1
Abstract:
The present disclosure addresses the problem of providing a method for purifying an acrylic acid ester compound. This problem can be solved by a method for purifying a compound represented by formula (1) [in the formula, R1 and R2 may be the same as, or different from, each other, and each denote an alkyl group, a fluoroalkyl group, an aryl group that may have one or more substituent groups, a halogen atom or a hydrogen atom, R3 is an alkyl group, a fluoroalkyl group or an aryl group that may have one or more substituent groups, and X is a fluoroalkyl group or a halogen atom]. The method includes a step A for distilling a composition A containing (a) the compound represented by formula (1), (b) an alcohol and (c) a salt so as to obtain an aggregated liquid containing the compound represented by formula (1).
Inventors:
HOSOKAWA MOE (JP)
GOTOU AKIHIRO (JP)
YOSHIYAMA ASAKO (JP)
MATSUURA MAKOTO (JP)
KISHIKAWA YOSUKE (JP)
GOTOU AKIHIRO (JP)
YOSHIYAMA ASAKO (JP)
MATSUURA MAKOTO (JP)
KISHIKAWA YOSUKE (JP)
Application Number:
PCT/JP2021/030466
Publication Date:
February 24, 2022
Filing Date:
August 19, 2021
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
C07C67/54; C07C69/653
Domestic Patent References:
| WO2001030739A1 | 2001-05-03 | |||
| WO2005102984A1 | 2005-11-03 | |||
| WO2019193925A1 | 2019-10-10 |
Foreign References:
| JP2017036231A | 2017-02-16 | |||
| JP2003231665A | 2003-08-19 | |||
| JP2014214147A | 2014-11-17 | |||
| JP2010037248A | 2010-02-18 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
Download PDF: