ChemInform Abstract: Nickel‐Catalyzed Substitution Reactions of Propargyl Halides with Organotitanium Reagents.

Abstract

Nickel-Catalyzed Substitution Reactions of Propargyl Halides with Organotitanium Reagents. -The title reaction affords monosubstituted, 1,1-disubstituted or 1,3-disubstituted allenes (III), (V), or (VII) as well as substituted alkynes (IX) depending of the type of substituents on the propargyl halide. -(LI, Q.-H.; LIAO, J.-W.; HUANG, Y.-L.; CHIANG, R.-T.; GAU*, H.-M.; Org. Biomol. Chem. 12 (2014) 38, 7634-7642, http://dx.doi.org/10.1039/C4OB00677A ; Dep. Chem., Natl. Chung Hsing Univ., Taichung 402, Taiwan; Eng.) -M. Paetzel 09-074