84254-70-6Relevant articles and documents
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-