Cationic Fe complexes of the general type [(Ph3P)2Fe(CO)(NO)]X (X=BF4, BArF4) catalyze the redox‐neutral cycloisomerization of 1,6‐ and 1,7‐enyneacetates to afford bicyclic cyclobutanes under mild conditions in good yields and diastereoselectivities.
一般类型的阳离子型
铁配合物[(Ph 3 P)2 Fe(CO)(NO)] X(X = BF 4,
BAr F 4)催化1,6-和1,7-
烯炔
乙酸酯的
氧化还原-中性环异构化在温和条件下以良好的收率和非对映选择性提供双环
环丁烷。