Shenyang Sinochem Agrochemicals - Phenylisoxazoline Compound, US12606547B2
Summary
The USPTO granted Patent US12606547B2 to Shenyyang Sinochem Agrochemicals R&D Co., Ltd. covering a synthesis method for a phenylisoxazoline compound. The method uses 2-fluoro-4-chloro-5-methylaniline as a starting material, first synthesizing a uracil ring and then an isooxazoline ring to produce the target compound. The patent contains 8 claims and is classified under CPC C07D 413/10.
What changed
The USPTO issued Patent US12606547B2 to Shenyang Sinochem Agrochemicals R&D Co., Ltd., covering a preparation method for phenylisoxazoline compounds. The method involves using 2-fluoro-4-chloro-5-methylaniline as a starting material to first synthesize a uracil ring, followed by synthesis of an isooxazoline ring to obtain the target compound (VII).
The grant confers exclusive rights to the assignee for the patented synthesis method, which may require IP clearance by competitors developing similar compounds. Other chemical and pharmaceutical manufacturers should review Freedom-to-Operate positions before commercializing related synthesis routes.
Archived snapshot
Apr 21, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Preparation method of phenylisoxazoline compound
Grant US12606547B2 Kind: B2 Apr 21, 2026
Assignee
SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD.
Inventors
Jichun Yang, Aiying Guan, Qiao Wu, Enming Wu, Gongxin Wu, Changling Liu
Abstract
In a synthesis method of a phenylisoxazoline compound 2-fluoro-4-chloro-5-methylaniline is used as starting material for firstly synthesizing a uracil ring, and then synthesizing an isooxazoline ring to obtain a target compound, phenylisoxazoline compound (VII), as shown in the reaction pathway below. The preparation method can be used for the synthesis of phenylisoxazoline containing uracil.
CPC Classifications
C07D 413/10
Filing Date
2021-06-30
Application No.
18003906
Claims
8
Mentioned entities
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