Reactions of Olefins with Metal Complexes

An important method of preparation of palladium allyl compounds is the reaction of PdX4 or PdX2 with olefins  

Cyclic olefins, Dewar hexamethylbenzene, steroids, alkenes containing other functional groups, etc., may also react in an analogous fashion  

These reactions occur via attack of various atoms or groups on the terminal carbon atom. The following entities may be utilized for the attack H, RCO, RO, Cl, and AcO. The most commonly utilized complexes for this purpose are the transition metal hydrido complexes. 

Diene oligomerization reactions may also lead to the formation of allyl compounds. During reduction of Ni(acac)2 in the presence of tram, tram, trani-cyclododecatriene, 

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