RUTHENIUM(II)-MEDIATED REACTION OF PHENYLACETYLENE WITH PRIMARY AMINES TO GIVE RUTHENIUM(II)-ISONITRILE COMPLEXES

被引:32
作者
BIANCHINI, C
PERUZZINI, M
ROMEROSA, A
ZANOBINI, F
机构
[1] Istituto per lo Studio della Stereochimica ed Energetica dei Composti di Coordinazione, CNR, 50132 Firenze
关键词
D O I
10.1021/om00007a012
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The Ru(II) fragment [(PNP)RuCl2] assists the reaction of phenylacetylene with a variety of primary amines, including optically pure amines, to give Ru(II)isonitrile complexes (PNP = CH3CH2CH2N(CH2CH2-Ph(2))(2)). The reaction is initiated by 1-alkyne to vinylidene tautomerization at the ruthenium center, followed by attach of the primary amine on the vinylidene ligand to give Ru(II) aminocarbenes of the formula fac,cis-[(PNP)RuCl2{=C(NHR)(CH(2)Ph)}]. The latter compounds thermally convert to the corresponding isonitrile complexes fac,cis-[(PNP)RuCl2(CNR)], while toluene is eliminated via C-C bond cleavage (R = CH2CH2CH3, cyclo-C6H11, (R)-(+)-CH(Me)(Ph), (R)-(-)-CH(Me)(Et), (S)-(-)-CH(Me)(1-naphthyl)].
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收藏
页码:3152 / 3153
页数:2
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