1340595-22-3Relevant academic research and scientific papers
Hydro-amination/-amidation of 1,3-diynes with indoles/azoles/amides under modified Ullmann conditions: Stereo- and regio-selective synthesis of N-alkenynes via N-H bond activation
Gupta, Sahaj,Agarwal, Piyush K.,Saifuddin, Mohammad,Kundu, Bijoy
, p. 5752 - 5757 (2011/12/03)
An efficient strategy for the stereo- and regio-selective synthesis of N-alkenynes has been described. The salient feature of the reaction involves hydro-amination/amidation of 1,3-diynes with indoles/azoles/ amides via transition-metal catalyzed activation of N-H bond. The resulting N-alkenynes derived from N-heterocycles and cyclic amides were obtained as a mixture of Z/E isomers with Z-stereoselectivity ranging from 60% to 95%. In contrast, acyclic amides afforded N-alkenynes with exclusive E-stereoselectivity, albeit in reduced yield ranging from ~10% to 41%.
