SELECTIVE [π6s + π2s] CYCLOADDITION OF A COORDINATED CYCLIC TRIENE WITH ALKYNES. FORMATION OF BICYCLO[4.2.2]DECATRIENE SKELETON ON A Ru(0) TEMPLATE
作者:Kenji Itoh、Katsunori Mukai、Hideo Nagashima、Hisao Nishiyama
DOI:10.1246/cl.1983.499
日期:1983.4.5
The 1,3,5-cyclooctatriene ligand of Ru(1-6-η-cyclooctatriene)(1-2:5-6-η-cyclooctadiene) reacted with ethyne to yield Ru(η4, η2-bicyclo[4.2.2]deca-2,4,7-triene)(1-2:5-6-η-cyclooctadiene) by way of formal [η6s + η2s] cycloaddition with high selectivity. Propyne or 1-butyne gave analogous bicylodecatriene complexes.
1,3,5-环辛三烯配体的Ru(1-6-η-环辛三烯)(1-2:5-6-η-环辛二烯)与乙炔反应,通过高度选择的正式[η6s + η2s]环加成途径生成Ru(η4, η2-双环[4.2.2]癸-2,4,7-三烯)(1-2:5-6-η-环辛二烯)。丙炔或1-丁炔则形成类似的双环癸三烯配合物。