Silylformylation–Fluoride??Assisted Aryl Migration of Acetylenic Derivatives in a Versatile Approach to the Synthesis of Polyfunctionalised Compounds

…, AM Caporusso, P Salvadori

文献索引：Aronica, Laura Antonella; Raffa, Patrizio; Caporusso, Anna Maria; Salvadori, Piero Journal of Organic Chemistry, 2003 , vol. 68, # 24 p. 9292 - 9298

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摘要

Abstract Polyfunctionalised aldehydes and dihydropyrans are prepared from easily available functionalised 1-alkynes through a two-step silylformylation/aryl migration sequence. The silylformylation process is performed under mild experimental conditions and affords the corresponding β-silylalkenals in high yields. The fluoride-promoted migration step occurs instantaneously with quantitative conversion. The chemo-, regio-and ...