Regioselectivity associated with the 1, 3-dipolar cycloaddition of nitrones with electron-deficient dipolarophiles
…, L Fisera, KF Koehler, A Rodriguez…
文献索引:Padwa, Albert; Fisera, Lubor; Koehler, Konrad F.; Rodriguez, Augusto; Wong, George S. K. Journal of Organic Chemistry, 1984 , vol. 49, # 2 p. 276 - 281
Results As our first model we chose to investigate the cycloaddition behavior of the N-alkyl- C-phenylnitrone system with several monosubstituted alkenes possessing electron- withdrawing substituents. l8 The reaction of N-methyl-C-phenylnitrone (1) with acrylonitrile (eq 1) pro-