The compounds [FeH(H2)(dmpe)2]BPh4 and [FeH(H2)(depe)2]BPh4(dmpe = Me2PCH2CH2PMe2 and depe = Et2PCH2CH2PEt2) reacted with terminal alkynes R′CCH (R = Me, Pri or Ph) to yield a variety of structures, apparently formed in sequence, bis(alkynyl), alkynyl(vinylidene) and substituted butenynyl complexes of iron(II), which also contain bis(diphosphines). The structures of trans-[Fe(CCMe)(CCHMe)(dmpe)2]BF4
化合物[FeH(H 2)(
DMPe)2 ] BPh 4和[FeH(H 2)(depe)2 ] BPh 4(
DMPe = Me 2 PCH 2 CH 2 PMe 2和depe = Et 2 PCH 2 CH 2 PEt 2)与末端
炔烃R'CCH(R = Me,Pr i或Ph)反应生成各种结构,显然是依次形成的二(炔基),炔基(亚
乙烯基)和
铁(II)的取代丁炔基络合物,其中也含有双(
二膦)。的结构的反式- [Fe(上C
CME)(CCHMe)(
DMPE)2 ] BF 4,反式-[Fe(CCPr i)(CCHPr i)(
DMPe) 2 ] BF 4,[[未图示] CHMe)-(depe) 2 ] BPh 4和[[未图示] CHPh)(
DMPe ) 2 ] BPh 4已经确定,并讨论了配合物的相互转化。