D 53 Diastereoselective synthesis of spiro derivatives of 3-substituted 2,3,4,4a,5,6-hexahydro-1H-benzo[c]quinolizines [Electronic resource] / T. V. Gluchareva, E. G. Deeva, A. Yu. Platonova, I. V. Geide, M. I. Kodess, Yu. Yu. Morzherin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2009. - Vol. 45, № 5. - P743-754 Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: The cyclization via the mechanism of “tert-amino effect” of 2-(4-R-piperidino)benzaldehydes with cyclic active methylene components (Meldrum’s acid, 1,3-cyclohexanedione, and N,N-disubstituted barbituric acids) proceeded stereoselectively giving spiro-joined 2,3,4,4a,5,6-hexahydro-1H-benzo[c]quinolizines with axially oriented hydrogen atoms in the positions 3 and 4a of the benzo[c]quinolizine ring \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2009, 45 (5), 743.pdf |