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Patent Searching and Data


Title:
METHOD FOR PRODUCING POLYMETHINE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2017/208905
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a method for producing a polymethine compound with higher yield and higher efficiency compared with the conventional methods by preventing the production of by-products effectively. Provided is a method for producing a compound represented by formula (1), said method involving step (II) of reacting a compound represented by formula (2) with a compound represented by formula (4) while adding a base to a mixture (M2) containing the compound represented by formula (2), a compound represented by formula (3) and the compound represented by formula (4).

Inventors:
MIYAZAKI KATSUAKI (JP)
OKAWA HARUKI (JP)
FUJIMOTO DAICHI (JP)
Application Number:
PCT/JP2017/019229
Publication Date:
December 07, 2017
Filing Date:
May 23, 2017
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C07D207/20; C07D263/10; C07D263/14; C07D403/06; C07D405/06; C07D413/06; C09B23/00
Foreign References:
GB1120047A1968-07-17
JP2017119700A2017-07-06
JP2017120431A2017-07-06
JP2017120430A2017-07-06
JP2014194508A2014-10-09
DE10109243A12002-09-05
DE883025C1953-07-13
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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