Invention Grant
- Patent Title: Process for the preparation of Pyraclostrobin
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Application No.: US16962542Application Date: 2019-01-16
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Publication No.: US11242320B2Publication Date: 2022-02-08
- Inventor: Ajit Singh Gujral , Kenal V. Shah , Bhavesh V. Shah , Subhash Rajaram Kadam , Nilesh N. Jani , Ravindra Y. Shinde
- Applicant: GSP CROP SCIENCE PVT. LTD.
- Applicant Address: IN Ahmedabad
- Assignee: GSP CROP SCIENCE PVT. LTD.
- Current Assignee: GSP CROP SCIENCE PVT. LTD.
- Current Assignee Address: IN Ahmedabad
- Agency: The Dobrusin Law Firm, P.C.
- Agent Bryan S. Lemanski
- Priority: IN201821001941 20180117
- International Application: PCT/IB2019/050332 WO 20190116
- International Announcement: WO2019/142107 WO 20190725
- Main IPC: C07D231/22
- IPC: C07D231/22

Abstract:
The present invention relates to a novel and improved process for preparation of methyl [2-({[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxy}methyl)phenyl]methoxycarbamate (Pyraclostrobin) of formula (I) in free form or in agrochemically acceptable salt form useful as a pest control agent starting from methyl [2-({[1-(4-chlorophenyl)-1-H-pyrazol-3-yl]oxy}methyl)phenyl]hydroxycarbamatein simple manner and in high purity and good yield.
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