Unexpected heteroatom-assisted C-4 alkylation of a 1,3-dioxolane
作者:C. Marot、C. Philipp、P. Rollin
DOI:10.1016/s0040-4039(00)61316-3
日期:1992.8
organomagnesium halides with a 4-(2-pyridyl)thiomethyl-1,3-dioxolane 1 mainly afforded C-branched pyridylthiopropanols 2. These versatile synthons resulted from an atypical combined aza-/thia-assisted C-4alkylation of the cyclic ketal system.