Bicyclo[9.3.1]pentadecatriene derivative 4 which corresponds to a precursor of taxol in a biomimetic entry was constructed by means of TiCl4Zn promoted McMurry cyclization and Mitsunobu inversion. Treatment of 4 with mercuric triflate afforded an unexpected rearrangement-transannular cyclization product 5.
双环[9.3.1]十五碳衍
生物4,其对应于
紫杉醇在仿生条目的前体通过的TiCl的装置构造4 Zn促进的McMurry环化和Mitsunobu转化。用
三氟甲磺酸汞处理4得到了意想不到的重排-环戊环化产物5。