Original document(5 pages) Authorized document(3 pages) 中文版
    This invention relates to a process for resolution of cis-chrysanthemic acid with quinine. A proper solvent system is chosen to reduce the consumption of quinine and to obtain 1R cis-chrysanthemic acid with high optical activity. The recovery of quinine is up to 96-98%.
Application Number
申请号
91102249 Application Date
申请日
1991.04.08
Title 名称 Separating of cis-chrysanthemumic acid
Publication Number
公开号
1058956 Publication Date
公开日
1992.02.26
Approval Pub. Date Granted Pub. Date 1995.04.05
International Classification 分类号 C07C51/487,C07C61/37
Applicant(s) Name
申请人
Nankai Univ.
Address 地址 300071
Inventor(s) Name 发明人 Cheng Junran, Tang Chuchi
Attorney & Agent 代理人 WANG HUILIN TIAN HAIAN

  
Prepn. of cis-and 1R cis-dibromo-chrysanthemyl chloride
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