Organic Chemistry Portal

Abstracts

Search:

Highly chemoselective coupling of allenylstannanes with organic iodides promoted by Pd(PPh3)4/LiCl: an efficient method for the synthesis of substituted allenes

Chih-Wei Huang, Muthian Shanmugasundaram, Hao-Ming Chang and Chien-Hong Cheng*

*Department of Chemistry, Tsing Hua University, Hsinchu 300, Taiwan, ROC, Email: chchengmx.nthu.edu.tw

C.-W. Huang, M. Shanmugasundaram, H.-M. Chang, C.-H. Cheng, Tetrahedron, 2003, 59, 3635-3641.

DOI: 10.1016/S0040-4020(03)00516-7


Abstract

Various arylallenes and alkenylallenes were prepared via coupling of allenylstannanes with aryl iodides or alkenyl iodides in the presence of Pd(PPh3)4 as catalyst, LiCl, and DMF as solvent.

see article for more examples 

see article for reactions



Key Words

palladium, coupling reactions, Stille Coupling, allenes, enones, dienes


ID: J72-Y2003-320