文献类型：专利

英文题名：Preparation of stereo hindered amine nitrogen-oxygen free-radical

作者：TIAN H;CHEN K;GUO L

机构：[1]UNIV EAST CHINA SCI & TECHNOLOGY

申请号：CN1235946-A

申请日：1999-03-12

公开日：1999-11-24

语种：英文

收录：DERWENT

摘要：The process uses hydrogen peroxide as oxidant and cationic exchange resin carrying Ca2+, Mg2+, Ba2+, Sr2+ and other alkali earth metal ions as well as metallic ions Zn2+ and Sn2+ as catalyst. The reaction has mild condition with high yield and no environmental pollution, and the catalyst may be used repeatedly. The preparation is suitable for industrial production.