Process and intermidiates for the preparation of certain mesoionic pesticides

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专利权人:

E. I. du Pont de Nemours and Company

发明人:

DUMAS, Donald J.,HONG, Junbae

申请号：

AU2019229971

公开号：

AU2019229971A1

申请日:

2019.03.04

申请国别(地区):

AU

年份:

2020

代理人:

摘要：

The present invention provides a method for preparing a compound of Formula (B), Formula (C), or Formula (D): wherein Q is a 3- to 10- membered ring system containing ring members selected from carbon atoms and up to 4 heteroatoms independently selected from up to 2 O, up to 2 S, and up to 4 N, wherein up to 3 carbon atom ring members are independently selected from C(=O) and C(=S) and such ring system is optionally substituted with up to 5 substituents independently selected from R

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