Acta Chimica Sinica ›› 1980, Vol. 38 ›› Issue (5): 481-483. Previous Articles     Next Articles

感应耦合高频等离子体发射光谱分析的研究与应用

朱锦方, 胡中田, 罗培卿, 张雪金, 曹秀琴   

  1. 中国科学院上海冶金研究所
  • 投稿日期:1978-07-14 发布日期:2013-06-03

STUDY AND APPLICATION OF INDUCTIVELY COUPLED HIGH FREQUENCY PLASMA FOR EMISSION SPECTROMETRIC ANALYSIS

ZHU JIN-FANG, HU ZHONG-TIAN, LUO PEI-QING, ZHANG XUE-JIN, CAO XIU-QIN   

  1. Shanghai Institute of Metallurgy, Academia Sinica
  • Received:1978-07-14 Published:2013-06-03

The antitumor ansa macrolide rnaytansine(1),isolated from Maytenus Ovatus,has attracted immense interests of organic ohemists in many countries.We wish to roport the stereoseleotive syntheses of the C1-C8 fragment with five ohiral centers in natural configuration.