R 30 Reaction of methyl 1-bromocycloalkanecarboxylates with zinc and 2,6-bis(arylmethylene)cyclohexanones / N. F. Kirillov, A. G. Gavrilov, A. N. Vasyanin, S. N. Shurov, M. I. Vakhrin, P. A. Slepukhin // Russian Journal of General Chemistry. - 2012. - Vol.82, №2. - С. 289-293 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): BROMOCYCLOALKANECARBOXYLATES -- ZINC -- CYCLOHEXANONES Аннотация: Methyl 1-bromocyclopentane-, 1-bromocyclohexane-, and 1-bromocycloheptanecarboxylates react with zinc and 2,6-bis(arylmethylene)cyclohexanones to afford 4-aryl-8-(arylmethylene)-5,6,7,8-tetrahydrospiro[chromene-3,1′-cyclopentan]-2(4H)-ones, 4-aryl-8-(arylmethylene)-5,6,7,8-tetrahydrospiro[chromene-3,1′-cyclohexan]-2(4H)-ones, and 4-aryl-8-(arylmethylene)-5,6,7,8-tetrahydrospiro[chromene-3,1′-cycloheptan]-2(4H)-ones, resp \\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2012, V. 82, N 2, p. 289-293.pdf |