Tag Archives: imidazolidinone

Preparation method of chiral imidazolidinone weedicide

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