Invention Grant
- Patent Title: Intermediates for preparing herbicidal pyridazinones
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Application No.: US17280568Application Date: 2019-09-26
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Publication No.: US11485712B2Publication Date: 2022-11-01
- Inventor: Stephen Frederick McCann , Thomas Martin Stevenson
- Applicant: FMC Corporation
- Applicant Address: US PA Philadelphia
- Assignee: FMC Corporation
- Current Assignee: FMC Corporation
- Current Assignee Address: US PA Philadelphia
- Agency: FMC Corporation
- Agent Xiaobin Ding
- International Application: PCT/US2019/053052 WO 20190926
- International Announcement: WO2020/069056 WO 20200402
- Main IPC: C07D237/22
- IPC: C07D237/22 ; C07D237/16
Abstract:
Disclosed is a compound of Formula I, including N-oxides, and salts thereof, wherein R1, R2 and R3 are defined as set forth in the disclosure. Also disclosed is a process for preparing a compound of Formula I. A compound of Formula I can also be used as a synthetic intermediate to prepare pyridazinone-based herbicides.
Public/Granted literature
- US20220033361A1 INTERMEDIATES FOR PREPARING HERBICIDAL PYRIDAZINONES Public/Granted day:2022-02-03
Information query
