Methyl (E)-2-(2-phenylcyclopropylidene) acetate: Synthesis, isomerization, and reaction with 1, 3-diphenyl-2-benzofuran

…, AV Stepakov, VV Gurzhii, RR Kostikov

文献索引：Molchanov; Tran; Stepakov; Gurzhii; Kostikov Russian Journal of Organic Chemistry, 2013 , vol. 49, # 4 p. 530 - 535 Zh. Org. Khim., 2013 , vol. 49, # 4 p. 547 - 551,5

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被引用次数: 3

摘要

Abstract Treatment of 3-methyl-2-phenylcycloprop-2-ene-1-carboxylic acid with potassium tert-butoxide induced its isomerization into trans-2-methylidene-3-phenylcyclopropane-1- carboxylic acid which was converted into methyl ester, and heating of the latter for 1 h in toluene gave methyl (E)-2-(2-phenylcyclopropylidene) acetate. Thermal isomerization of methyl (E)-2-(2-phenylcyclopropylidene) acetate on prolonged heating in toluene afforded ...