
Journal of Organometallic Chemistry p. C1 - C5 (1982)
Update date:2022-08-17
Topics:
Meunier, P.
Gautheron, B.
Couturier, S.
The reactions of mono- and di-hydruro-zirconocenes and -hafnocenes with diphenylacetylene are studied under hydrogenation conditions but without external hydrogen.Under the influence of the hydride present in the reaction mixture, isomerisation of the cis-stilbene intermediate into trans-stilbene takes place.The results obtained offer an explanation of the stereochemistry difference observed in catalytic hydrogenations using the catalysts mentioned above.
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