136879-61-3Relevant academic research and scientific papers
Acid-Induced Dimerization Reactions of N-(Diphenylphosphinyl)-2-propenimines Leading to Pyridine Derivatives
Kakiuchi, Hidetaka,Kobayashi, Tomoshige,Kato, Hiroshi
, p. 2588 - 2589 (1991)
Treatment of N-(diphenylphosphinyl)-3-aryl-1-phenyl-2-propenimines with p-toluenesulfonic acid in heated xylene provided 4-aryl-2,6-diphenylpyridines and 4-aryl-3-arylmethyl-2,6-diphenylpyridines via an unprecedented dimerization reaction of the 2-propenimine.
Novel solid-supported dimerization-heteroannulation of chalcones: simple and efficient synthesis of 2,4,6-triaryl-3-methylarylpyridines
Verma, Anil K.,Koul, Summon,Pannu, Ajay P.S.,Razdan, Tej K.
, p. 8715 - 8722 (2008/02/10)
2,4,6-Triaryl-3-methylarylpyridines were obtained, in 60-70% yield, by a novel one-pot solventless solid-supported dimerization-heteroannulation reaction of chalcones and compounds possessing terminal -CONH2 functionality, at 125-135 °C, using immobilized Bi(III) nitrate and Zn(II) chloride as co-catalyst. Initially, chalcones were prepared, in nearly quantitative yield, by a modified aldol condensation, in neutral aqueous medium, in the presence of p-toluenesodium sulfonate.
