Preparation method of chiral imidazolidinone weedicide

Application Number: 00108177
Application Date: 2000.04.27
Publication Number: 1272496
Publication Date: 2000.11.08
Priority Information: 1999/5/3 US 09/303,967
International: A01N43/50;C07D401/04
Applicant(s) Name: American Cyanamid Co.
Inventor(s) Name: T. W. Drab;P. J. Wepro
Patent Agency Code: 31100
Patent Agent: chen wenjing
Abstract 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.