STUDIES ON THE TOTAL SYNTHESES OF MAYTANSINOIDS Ⅰ.STEREOSELECTIVE SYNTHESIS OF C 1—C 8 FRAGMENT OF MAYTANSINE
PAN BAI-CHUAN, ZHANG HONG, PAN CHUN-YING, SHU YUN, WANG ZHAO-FU, GAO YI-SHENG
Acta Chimica Sinica . 1980, (5): 502 -505 .