927675-27-2Relevant articles and documents
Cobalt-catalyzed intramolecular [2 + 2 + 2] cocyclotrimerization of nitrilediynes: An efficient route to tetra- And pentacyclic pyridine derivatives
Chang, Hong-Tai,Jeganmohan, Masilamani,Cheng, Chien-Hong
, p. 505 - 508 (2007/10/03)
In this paper, we wish to report the intramolecular [2 + 2 + 2] cocyclotrimerization of nitrilediynes catalyzed by the Col2(dppe)/Zn system at 80°C in CH3CN. Under these reaction conditions, various highly substituted nitrilediynes h