869317-70-4Relevant articles and documents
Rhodium-catalyzed chemo-, regio-, and enantioselective [2 + 2 + 2] cycloaddition of alkynes with isocyanates
Tanaka, Ken,Wada, Azusa,Noguchi, Keiichi
, p. 4737 - 4739 (2007/10/03)
(Chemical Equation Presented) We have developed a cationic rhodium(I)/modified-BINAP complex-catalyzed chemoselective [2 + 2 + 2] cycloaddition of alkynes with isocyanates leading to a wide range of 2-pyridones. This method was successfully applied to the