1,2-Bis(4-hydroxy-3-methoxyphenyl)ethane,a by-product formed from synthesis reaction of vanillyl nonanoate,is separated by silica-gel column chromatography and characterized by 1HNMR,13CNMR and MS.
Polysubstituted cyclopropane was easily constructed from p hydroxyl benzopropene type compounds when catalytic amount PdCl 2 was used. In this paper 1 methyl 2 ethyl 3,3 di(3,5 dimethoxyl 4 hydroxyl)benzocyclopr...Polysubstituted cyclopropane was easily constructed from p hydroxyl benzopropene type compounds when catalytic amount PdCl 2 was used. In this paper 1 methyl 2 ethyl 3,3 di(3,5 dimethoxyl 4 hydroxyl)benzocyclopropane and 1 methyl 2 ethyl 3,3 di(3,5 dihydroxyl 4 methoxyl)benzocyclopropane were first synthesized.展开更多
文摘1,2-Bis(4-hydroxy-3-methoxyphenyl)ethane,a by-product formed from synthesis reaction of vanillyl nonanoate,is separated by silica-gel column chromatography and characterized by 1HNMR,13CNMR and MS.
文摘Polysubstituted cyclopropane was easily constructed from p hydroxyl benzopropene type compounds when catalytic amount PdCl 2 was used. In this paper 1 methyl 2 ethyl 3,3 di(3,5 dimethoxyl 4 hydroxyl)benzocyclopropane and 1 methyl 2 ethyl 3,3 di(3,5 dihydroxyl 4 methoxyl)benzocyclopropane were first synthesized.
