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Title:
METHOD FOR PRODUCING CHLOROAZOLE CARBOXYLATE DERIVATIVE USING SANDMEYER REACTION WITH LIGHT IRRADIATION
Document Type and Number:
WIPO Patent Application WO/2020/085504
Kind Code:
A1
Abstract:
A method for producing a compound represented by general formula (I) or a salt thereof by reacting a compound represented by general formula (II) or a salt thereof, with a diazotizing agent and hydrochloric acid, characterized by irradiating a reaction system comprising the compound represented by general formula (II) or salt thereof, the diazotizing agent, and hydrochloric acid with light. [In the formulae, X1, X2, R1, R2, l, m, and n are as defined in the description.]

Inventors:
SAKAMOTO TOSHIHIRO (JP)
YAMAMOTO TOMOHIRO (JP)
Application Number:
PCT/JP2019/042005
Publication Date:
April 30, 2020
Filing Date:
October 25, 2019
Export Citation:
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Assignee:
TAIHO PHARMACEUTICAL CO LTD (JP)
International Classes:
C07D233/90; C07D231/16; C07D277/56
Domestic Patent References:
WO2018087527A12018-05-17
Foreign References:
JP2014111559A2014-06-19
Other References:
IMOYANO, E. L. ET AL., EUR.J.ORG.CHEM., 2008, pages 3377 - 3381
ISMITH, M. R. ET AL., J,ORG,CHEM., vol. 74, 2009, pages 9372 - 9380
BUTLER, R. N., CHEMICAL REVIEWS, vol. 75, no. 2, 1975, pages 241 - 257
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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