Title: Synthesis method for Bentazon herbicide
Application Number: 91100541 Application Date: 1991.01.28
Publication Number: 1063688 Publication Date: 1992.08.19
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A01N43/88,C07D285/16
Applicant(s) Name: Nankai Univ. Address: 300071
Inventor(s) Name:
Attorney & Agent: WANG HUILIN TIAN HAIAN
Abstract:
     This invention relates to process for preparing a kind of herbicide. The easily getting isatin anhydride is used as raw material, which is reacted with a solvent such as dichloro-ethane, the 97% pure product is prepared by one-step reaction. The process is simple in operating, less the three-wastes, low cost, the overall recovery is 80% or over.
Time: 3
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