The reaction of diphenylacetylene with (η5-C5H5)Fe(CO)2Ar (3) affords the indenones (4) and/or (5); a cyclohexadienyliron derivative (10) is obtained when the acetylene is 2-ethynylpyridine, the structure of which was determined by X-ray crystallography.
二苯基乙炔的用(η反应5 -C 5 H ^ 5)的Fe(CO)2的Ar(3)得到
茚酮类(4)和/或(5); 当
乙炔为
2-乙炔基吡啶时,得到环
己二烯基
铁衍
生物(10),其结构通过X射线晶体学确定。