High pressure process to produce 2-aryl-3-substituted pyrimidion

Details High pressure process to produce 2-aryl-3-substituted pyrimidion High pressure process to produce 2-aryl-3-substituted pyrimidion

1999-12-20

2000-08-22

Ford, John M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C07D23936

Patent

active

061074853

ABSTRACT:
This invention describes a new and convenient single step process for preparing 2-aryl-3-substituted-4(3H)-pyrimidinone herbicides by reacting a N-substituted amidine (or its hydrohalide salt) with a .beta.-keto ester under conditions of high pressure. The 2-aryl-3-substituted pyrimidinone compounds produced by the process of the present invention are very useful as herbicidal agents for the control of weeds in agronomically important crops.

REFERENCES:
patent: 5300477 (1994-04-01), Tice
patent: 5453414 (1995-09-01), Tice
patent: 5726124 (1998-03-01), Tice

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