METAL CATALYSIS IN ORGANIC REACTIONS. 17. A NICKEL-PROMOTED ROUTE TO SUBSTITUTED ALLENES BY REACTION OF 1-BROMO-1,2-DIENES WITH ALKYL METALS.

Article abstract of DOI:10.1016/S0040-4039(01)80863-7

Nickel complexes are found to be catalytically active in the cross-coupling reactions of allenic bromides with alkyl metals to give substituted allenes in excellent yields.The catalytic process proceeds generally with inversion of configuration in the allenyl moiety.