Bismetalated carbon for tandem Wittig-type reaction via allylgallation of magnesium acetylides: A convenient and efficient method to allyl allenes

A tandem Wittig-type reaction via allylgallation of magnesium acetylides to afford allyl allenes was reported. As a result of the ready availability of starting materials and the simple and convenient operation, this reaction would have potential utility in organic synthesis. (c) 2007 Elsevier B. V. All rights reserved.