Synthesis of α-Methylene-γ-lactone Fused to Seven, Eight, and Fourteen-membered Carbocycle through Intramolecular Cyclization of Functionalized Allylsilane with Acid Chloride
作者:Chiaki Kuroda、Shuzo Anzai
DOI:10.1246/cl.1998.875
日期:1998.9
α-Methylene-γ-lactone fused to cycloheptane ring was synthesized by intramolecular cyclization of 8-(ethoxycarbonyl)- or 8-(acetoxymethyl)-9-(trimethylsilyl)non-7-enoyl chloride followed by lactonization. α-Methylene-γ-lactone fused to cyclooctane and cyclotetradecane ring were also synthesized from 9-(acetoxymethyl)-10-(trimethylsilyl)dec-8-enoyl chloride and 15-(acetoxymethyl)-16-(trimethylsilyl)hexadec-14-enoyl
α-亚甲基-γ-内酯与环庚烷环稠合是通过 8-(乙氧基羰基)-或 8-(乙酰氧基甲基)-9-(三甲基甲硅烷基)非-7-烯酰氯的分子内环化作用合成的。α-亚甲基-γ-内酯与环辛烷和环十四烷环稠合也由 9-(乙酰氧基甲基)-10-(三甲基甲硅烷基)dec-8-烯酰氯和 15-(乙酰氧基甲基)-16-(三甲基甲硅烷基)十六烷-14-合成烯酰氯,分别。