37875-82-4Relevant academic research and scientific papers
An eficient one-pot synthesis of 1,4-dihydropyridines catalyzed by magnetic nanocrystalline Fe3O4
Yang, Shu-Hong,Zhao, Fei-Yang,Lue, Hong-Yan,Deng, Jia,Zhang, Zhan-Hui
, p. 1126 - 1129 (2013/01/15)
An efficient approach for one-pot three-component reaction of aromatic amines, α,β-unsaturated aldehydes and β-keto esters using magnetic nanocrystalline Fe3O4 as a catalyst has been described. The corresponding 1,4-dihydropyridines
Silica-supported perchloric acid catalyzed one-pot synthesis of 1,4-dihydropyridines
Ramesh, Dasari,Rajaram, Singanaboina,Narasimhulu, Manchala,Reddy, Thummalpally Srikanth,Mahesh, Kondempudi Chinni,Manasa, Gajji,Venkateswarlu, Yenamandra
experimental part, p. 2471 - 2475 (2012/02/03)
An environmentally friendly and highly efficient procedure for the preparation of 1,4-dihydropyridines by the reaction between α,β- unsaturated aldehydes, aromatic amines and β-keto esters in the presence of silica supported perchloric acid is described.
Facile, regioselective [4 + 2] cycloaddition involving 1-aryl-4-phenyl-1-azadienes and allenic esters: An efficient route to novel substituted 1-aryl-4-phenyl-1,4-dihydropyridines
Ishar,Kumar, Kamal,Kaur, Sumanjit,Kumar, Shiv,Girdhar, Navdeep K.,Sachar, Satish,Marwaha, Alka,Kapoor, Ashish
, p. 2133 - 2136 (2007/10/03)
(Matrix presented) 1-Aryl-4-phenyl-1-azadienes undergo facile, regioselective [4 + 2] cycloaddition to the C2,C3 π-bond of allenic esters in refluxing benzene, and the formed adducts undergo a 1,3-H shift to afford novel 2-alkyl-1-aryl-3-ethoxycarbonyl-4-
