The photoinduced metathesis of olefin catalyzed by W(CO)5L-AXn system

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Abstract

In the photocatalytic system containing tungsten compounds of the type W(CO)5L (L = CO, py, PPh3, Cl) and Group IIIb and IVab element halides (AXn), the metathesis of internal and terminal olefins was investigated.

The terminal olefin metathesis reaction is accompanied by double bond migration yielding the internal olefins, which undergo co-metathesis with the initial olefins. Substitution of tungsten by molybdenum or chromium favours the isomerization reaction.

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