BRUCE A. LITTLEFIELD,MONICA PALME,BORIS M. SELETSKY,MURRAY J. TOWLE,MELVIN J. YU,WANJUN ZHENG
申请号:
BR9911326
公开号:
BR9911326B1
申请日:
1999.06.16
申请国别(地区):
BR
年份:
2015
代理人:
摘要:
The invention provides a compound having the formula: that is useful as an intermediate in the preparation of certain pharmaceutically active halichondrin analogs.