PROCESS FOR PREPARING NOVEL CRYSTALLINE FORM OF METSULFURON-METHYL AND USE THEREOF

Title:

PROCESS FOR PREPARING NOVEL CRYSTALLINE FORM OF METSULFURON-METHYL AND USE THEREOF

Document Type and Number:

WIPO Patent Application WO/2017/071409

Kind Code:

A1

Abstract:

A crystalline form of metsulfuron-methyl and a preparation process and agrochemical formulations thereof are provided. The analyses of the crystalline form through various analytical methods and the use of various solvents towards the crystalline form preparation conditions are also described.

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Inventors:

BRISTOW JAMES TIMOTHY (CN)

Application Number:

PCT/CN2016/098340

Publication Date:

May 04, 2017

Filing Date:

September 07, 2016

Export Citation:

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Assignee:

ROTAM AGROCHEM INT CO LTD (CN)

International Classes:

C07D251/18; A01N47/36; A01P13/00

Foreign References:

EP0030138A1

1981-06-10

Other References:

LI, ZHIXIANG.: "A Purify Method for Metsulfuron-Methyl", PESTICIDE SCIENCE FOR ADMINISTATION, vol. 19, no. 3, 15 August 1998 (1998-08-15), pages 9, ISSN: 1002-5480
HU , XIANWEN ET AL.: "Purification, Characterization and Determination of metsulfuron.", HUBEI AGRICULTURAL SCIENCES, 30 September 2003 (2003-09-30), pages 51 - 52, ISSN: 0439-8114
HU , XIANWEN ET AL.: "Purification, Characterization and Determination of Metsulfuron.", HUBEI AGRICULTURAL SCIENCES, 30 September 2003 (2003-09-30), pages 51 - 52, ISSN: 0439-8114
CAIRA, MINO R.: "Crystalline Polymorphism of Organic Compounds", TOPICS IN CURRENT CHEMISTRY, vol. 198, 1 January 1998 (1998-01-01), pages 163 - 208

Attorney, Agent or Firm:

UNITALEN ATTORNEYS AT LAW (CN)

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