NOVEL NAZAROV-TYPE CYCLIZATION OF TETRAHYDRO-4-OXOPYRAN-3-CARBOXYLIC ESTERS BY THE USE OF Me<sub>3</sub>SiCl–NaI REAGENT
作者:Takashi Sakai、Kazuyoshi Miyata、Akira Takeda
DOI:10.1246/cl.1985.1137
日期:1985.8.5
Treatment of 2,5,6-tri-substituted tetrahydro-4-oxopyran-3-carboxylic esters with Me3SiCl–NaI reagent in DMF at 120 °C gave cyclopentenone derivatives via the Nazarov-type cyclization subsequent to possible dehydration.