Title:
PRODUCTION METHOD FOR 4-BROMOISOTHIAZOLINONE DERIVATIVE AND 4-BROMOISOTHIAZOLINONE DERIVATIVE
Document Type and Number:
WIPO Patent Application WO/2023/032654
Kind Code:
A1
Abstract:
Provided is a method for selectively producing a high-purity 4-bromoisothiazolinone derivative at a good yield. Provided is a method for producing a 4-bromoisothiazolinone derivative represented by formula (1) (in which R is a hydrogen atom or a C1–12 alkyl group). The method involves using a brominating agent to brominate an isothiazolinone compound represented by formula (2) (in which R is the same as in formula (1)) or a chemically acceptable salt thereof in an aqueous solvent or a mixed solvent of an aqueous solvent and an organic solvent.
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Inventors:
KOBAYASHI OSAMU (JP)
TACHIMOTO TOMOKO (JP)
YOKOI TAIYO (JP)
SOMEYA SHINTARO (JP)
NAKAMURA SHINJI (JP)
KATO AYUMU (JP)
MORITA NAU (JP)
ARAKI CHIHARU (JP)
TACHIMOTO TOMOKO (JP)
YOKOI TAIYO (JP)
SOMEYA SHINTARO (JP)
NAKAMURA SHINJI (JP)
KATO AYUMU (JP)
MORITA NAU (JP)
ARAKI CHIHARU (JP)
Application Number:
PCT/JP2022/030945
Publication Date:
March 09, 2023
Filing Date:
August 16, 2022
Export Citation:
Assignee:
ORGANO CORP (JP)
SAGAMI CHEM RES INST (JP)
SAGAMI CHEM RES INST (JP)
International Classes:
C07D275/03
Foreign References:
| CN101412698A | 2009-04-22 | |||
| JPS5312937A | 1978-02-06 | |||
| US4150026A | 1979-04-17 | |||
| US3523121A | 1970-08-04 | |||
| US4105431A | 1978-08-08 | |||
| US3816622A | 1974-06-11 |
Other References:
BELL, A.S. FISHWICK, C.W.G. REED, J.E.: "Facile Palladium Catalysed Functionalisation of 1,2-Isothiazoline-3-ones and the Highly Diastereoselective Diels-Alder Reactions of 4-vinyl-1,2-isothiazoline-3-one-1-oxides", TETRAHEDRON, ELSEVIER SIENCE PUBLISHERS, AMSTERDAM, NL, vol. 55, no. 42, 15 October 1999 (1999-10-15), AMSTERDAM, NL , pages 12313 - 12330, XP004178958, ISSN: 0040-4020, DOI: 10.1016/S0040-4020(99)00716-4
ERNEST D. WEILER, RAMESH B. PETIGARA, MARTHA H. WOLFERSBERGER, GEORGE A. MILLER: "ISOTHIAZOLES IX. HALOGENATION OF 2-SUBSTITUTED-4-ISOTHIAZOLIN-3-ONES", JOURNAL OF HETEROCYCLIC CHEMISTRY, WILEY-BLACKWELL PUBLISHING, INC., US, vol. 14, 1 June 1977 (1977-06-01), US , pages 627 - 630, XP002405514, ISSN: 0022-152X, DOI: 10.1002/jhet.5570140418
SHELDON N. LEWIS, GEORGE A. MILLER, MARTIN HAUSMAN, EUGENE C. SZAMBORSKI: "ISOTHIAZOLES I: 4-ISOTHIAZOLIN-3-ONES A GENERAL SYNTHESIS FROM 3,3'-DITHIODIPROPIONAMIDES", JOURNAL OF HETEROCYCLIC CHEMISTRY, WILEY-BLACKWELL PUBLISHING, INC., US, vol. 8, no. 4, 1 August 1971 (1971-08-01), US , pages 571 - 580, XP000983947, ISSN: 0022-152X, DOI: 10.1002/jhet.5570080408
ERNEST D. WEILER, RAMESH B. PETIGARA, MARTHA H. WOLFERSBERGER, GEORGE A. MILLER: "ISOTHIAZOLES IX. HALOGENATION OF 2-SUBSTITUTED-4-ISOTHIAZOLIN-3-ONES", JOURNAL OF HETEROCYCLIC CHEMISTRY, WILEY-BLACKWELL PUBLISHING, INC., US, vol. 14, 1 June 1977 (1977-06-01), US , pages 627 - 630, XP002405514, ISSN: 0022-152X, DOI: 10.1002/jhet.5570140418
SHELDON N. LEWIS, GEORGE A. MILLER, MARTIN HAUSMAN, EUGENE C. SZAMBORSKI: "ISOTHIAZOLES I: 4-ISOTHIAZOLIN-3-ONES A GENERAL SYNTHESIS FROM 3,3'-DITHIODIPROPIONAMIDES", JOURNAL OF HETEROCYCLIC CHEMISTRY, WILEY-BLACKWELL PUBLISHING, INC., US, vol. 8, no. 4, 1 August 1971 (1971-08-01), US , pages 571 - 580, XP000983947, ISSN: 0022-152X, DOI: 10.1002/jhet.5570080408
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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