CN Patent

CN109879826B — 一种异噁唑啉类杀虫剂的制备方法

Assigned to Livzon New North River Pharmaceutical Co ltd · Expires 2021-04-13 · 5y expired

What this patent protects

本发明公开了一种异噁唑啉类杀虫剂的制备方法，包括以 为起始原料，经肟化和酰胺缩合得到 进一步与NXS取代，消除、环化得到异噁唑啉类杀虫剂。本方法在降低中间体纯化的难度同时，也降低了产品纯化的难度，从而提高了产品质量和收率，最终提高了产品的竞争力。

USPTO Abstract

本发明公开了一种异噁唑啉类杀虫剂的制备方法，包括以 为起始原料，经肟化和酰胺缩合得到 进一步与NXS取代，消除、环化得到异噁唑啉类杀虫剂。本方法在降低中间体纯化的难度同时，也降低了产品纯化的难度，从而提高了产品质量和收率，最终提高了产品的竞争力。

Drugs covered by this patent

Patent Metadata

Patent number
CN109879826B
Jurisdiction
CN
Classification
—
Expires
2021-04-13
Drug substance claim
No
Drug product claim
No
Assignee
Livzon New North River Pharmaceutical Co ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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