Copper(I)-Catalyzed Deacetylenative Coupling of Propargylic Amines: An Efficient Synthesis of Symmetric 1,4-Diamino-2-butynes
作者:Yongeun Kim、Hiroyuki Nakamura
DOI:10.1002/chem.201102710
日期:2011.11.4
Deacetylenativecoupling: Propargylicamines undergo copper‐catalyzed deacetylenativecoupling to give the symmetric 1,4‐diamino‐2‐butynes. In the presence of a base, the Glaser‐type homocoupling takes place, whereas in the absence of a base the deacetylenativecoupling takes place (see scheme).