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Patent Searching and Data


Title:
METHOD FOR PRODUCING BENZOYL FORMIC ACID COMPOUND AND PYRIDAZINE COMPOUND
Document Type and Number:
WIPO Patent Application WO/2019/083001
Kind Code:
A1
Abstract:
The present invention provides: a method for producing a benzoyl formic acid compound in an industrially advantageous manner; and a method for efficiently producing a pyridazine compound using the method for producing a benzoyl formic acid compound. Specifically, the present invention provides a method for producing a compound represented by formula (2), the method comprising a step for reacting a compound represented by formula (1) with nitrosylsulfuric acid in the presence of water to obtain the compound represented by formula (2).

Inventors:
MATSUNAGA TADAFUMI (JP)
KATAOKA YASUHIRO (JP)
KAWAMURA MASATO (JP)
TANIMURA SHUN (JP)
Application Number:
JP2018/039804
Publication Date:
May 02, 2019
Filing Date:
October 26, 2018
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C07C51/275; C07C59/88; C07D237/12; C07D237/14; C07D307/60
Domestic Patent References:
WO2014129612A12014-08-28
Foreign References:
JP2016169165A2016-09-23
JP2001158782A2001-06-12
Other References:
MARZIANO, N. C. ET AL.: "Selective oxidation by ni trosating agents in liquid and solid acid catalysts", CATALYSIS TODAY, vol. 91-92, 2004, pages 225 - 229, XP085621614, ISSN: 0920-5861
SANDIN, R. B. ET AL.: "1, 2, 3-TRIIODO-5-NITROBENZENE", ORGANIC SYNTHESES, vol. 19, 1939, pages 81 - 82, XP055597840, ISSN: 0078-6209
HODGSON, H. H. ET AL.: "1, 4-DINITRONAPHTHALENE", ORGANIC SYNTHESES, vol. 28, 1948, pages 52 - 54, XP055597841, ISSN: 0078-6209
MINAKATA, S. ET AL.: "Organic Reactions on Silica in Water", CHEMICAL REVIEWS, vol. 109, no. 2, 2009, pages 711 - 724, XP055597842, ISSN: 0009-2665
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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