Multiple metal-carbon bonds. 17. Preparation of monocyclopentadienyl benzylidene complexes of tantalum and the crystal structure of Ta (. eta. 5-C5Me5)(CHPh)( …

LW Messerle, P Jennische, RR Schrock…

Index: Messerle,L.W.; Jennische,P.; Schrock,R.R. Journal of the American Chemical Society, 1980 , vol. 102, p. 6744

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Citation Number: 65

Abstract

Abstract: A benzylidene complex, Ta (? S-CSMe5)(CHPh)(CH2Ph) C1, can be prepared by adding LiCSMeS to Ta (CH2Ph) $12. The analogous $-CSH5 complex apparently is unstable but a relative, Ta (qS-C5H4Me)(CHPh)(CH2Ph),, can be prepared by dehydrohalogenating Ta (~ S-C5H4Me)(CH2Ph) 3C1 with Ph3P= CH2 while Ta (~ 5- CSMeS)(CHPh)(CH2Ph) 2 can be prepared from Ta (qS-C5Me5)(CHPh)(CH2Ph) C1 and ...