1436751-45-9Relevant academic research and scientific papers
Consecutive gold(I)-catalyzed cyclization reactions of o -(buta-1,3-diyn-1-yl-)-substituted N-aryl ureas: A one-pot synthesis of pyrimido[1,6- a ]indol-1(2 H)-ones and related systems
Sharp, Phillip P.,Banwell, Martin G.,Renner, Jens,Lohmann, Klaas,Willis, Anthony C.
supporting information, p. 2616 - 2619 (2013/07/11)
Treatment of readily available o-(buta-1,3-diyn-1-yl-)-substituted N-aryl ureas such as 1 with the Au(I)-catalyst 11 affords, via a twofold cyclization process, the isomeric pyrimido[1,6-a]indol-1(2H)-one 3 in good yield.
