Iodo(dimethyl)diphenyl-lambda~5~-phosphane 、 (1R,2R,4R,6S,7R)-4-(4-Methoxy-phenyl)-7,9,9-trimethyl-3,5-dioxa-tricyclo[5.2.2.0
2,6]undecan-8-one 在
正丁基锂 作用下,
以
四氢呋喃 为溶剂,
生成 (1S,2S,4R,6R,7R)-4-(4-Methoxy-phenyl)-1,8,8-trimethyl-9-methylene-3,5-dioxa-tricyclo[5.2.2.0
2,6]undecane