The reactions of 1-(trimethylsiloxy)-3-methylcyclopent-1-ene, 1-(trimethylsiloxy)-3-methylcyclohex-1-ene and 1-(trimethylsiloxy)-3,3-dimethylcyclohex-1-ene with various alkylating agents in the presence of silver trifluoroacetate produced the corresponding 2,3-dialkylated and 2,3,3-trialkylated cyclanones with high regiodifferentiation and stereoselection.
1-(三甲基甲
硅烷氧基)-3-甲基环戊-1-烯,1-(三甲基甲
硅烷氧基)-3-甲基环己-1-烯和1-(三甲基甲
硅烷氧基)-3,3-二甲基环己-1-烯与各种烷基化剂的反应在
三氟乙酸银的存在下,产生相应的2,3-二烷基化和2,3,3-三烷基化的环烷酮,具有高区域分化和立体选择。