In this paper, the reaction of 1, 2, 3-trisubstituted electron-deficient cyclopropane derivatives ets-1-benzoyl-2-p-substituted phenyl-6, 6-dimethyl-5, 7-dioxo-spiro-[2,5]-4, 8-octadiones with methanol was studied. Th...In this paper, the reaction of 1, 2, 3-trisubstituted electron-deficient cyclopropane derivatives ets-1-benzoyl-2-p-substituted phenyl-6, 6-dimethyl-5, 7-dioxo-spiro-[2,5]-4, 8-octadiones with methanol was studied. The structures of the reaction products were confirmed as methyl β-benzoyl-γ-methoxy-γ-p- substituted phenylbutyrates by means of IR, MS, microanalysis, IH, 13C NMR spectroscopies and APT techniques. The reaction mechanism for the formation of the product was also proposed.展开更多
文摘In this paper, the reaction of 1, 2, 3-trisubstituted electron-deficient cyclopropane derivatives ets-1-benzoyl-2-p-substituted phenyl-6, 6-dimethyl-5, 7-dioxo-spiro-[2,5]-4, 8-octadiones with methanol was studied. The structures of the reaction products were confirmed as methyl β-benzoyl-γ-methoxy-γ-p- substituted phenylbutyrates by means of IR, MS, microanalysis, IH, 13C NMR spectroscopies and APT techniques. The reaction mechanism for the formation of the product was also proposed.