Facile radical decarboxylative alkylation of heteroaromatic bases using carboxylic acids and trivalent iodine compounds
作者:Hideo Togo、Masahiko Aoki、Masataka Yokoyama
DOI:10.1016/0040-4039(91)80221-q
日期:1991.11
easily alkylated by the reaction of carboxylicacids with [bis(trifluoroacetoxy)iodo]benzene or [bis(trifluoroacetoxy)iodo]pentafluorobenzene via radical decarboxylative pathways. This system was further applied to the reaction with tetrahydrofurylcarboxylic acid, 1-(2,3,5-tri-O-benyl)-D-ribofuranosylacetic acid, and 1-(2,3,5-tri-O-benzyl)-D-ribofuranosylcarboxylic acid for the model synthesis of C-nucleosides
Tris(trimethylsilyl)silane in the Alkylation of Heteroaromatic Bases with Alkyl Halides
作者:Hideo Togo、Ken Hayashi、Masataka Yokoyama
DOI:10.1246/cl.1993.641
日期:1993.4
Protonated heteroaromatic bases were easily alkylated via radical pathways using alkyl halides in the presence of tris(trimethylsilyl)silane under photochemical or thermal conditions.