Process for the preparation of chiral imidazolinone herbicides
申请人:American Cyanamid Company
公开号:US05973154A1
公开(公告)日:1999-10-26
There is provided a process for the preparation of essentially enantiomerically pure imidazolinone herbicides having the R-configuration via (R)2-amino-2,3-dimethylbutyramide.
A process for the preparation of chiral imidazolinone herbicides
申请人:American Cyanamid Company
公开号:EP1050533A1
公开(公告)日:2000-11-08
There is provided a process for the preparation of essentially enantiomerically pure imidazolinone herbicides having the R-configuration via (R)2-amino-2,3-dimethylbutyramide.
本发明提供了一种通过(R)2-氨基-2,3-二甲基丁酰胺制备具有 R 构型的对映体基本纯的咪唑啉酮类除草剂的工艺。
PROCESS FOR THE PREPARATION OF CHIRAL NICOTINIC, QUINOLINIC OR BENZOIC ACID IMIDAZOLINONE HERBICIDES
申请人:Intellectual Property Department
公开号:US20020077253A1
公开(公告)日:2002-06-20
There is provided a stereospecific process for the preparation of essentially enantiomerically pure imidazolinone herbicides having the R-configuration via (R)2-amino-2, 3-dimethylbutyronitrile.
本发明提供了一种通过 (R)2-amino-2, 3-dimethylbutyronitrile 制备具有 R 构型的对映体基本纯的咪唑啉酮除草剂的立体特异性工艺。