Author/Authors :
Hayes، نويسنده , , Simon J. and Knight، نويسنده , , David W. and Menzies، نويسنده , , Melanie D. and O’Halloran، نويسنده , , Mark and Tan، نويسنده , , Wen-Fei، نويسنده ,
Abstract :
A wide variety of 3-alkyne-1,2-diols have been found to undergo exceptionally clean 5-endo-dig cyclisations followed by dehydration at ambient temperature to give the corresponding furans in essentially quantitative yields when exposed to 10 mol % of 10% w/w silver(I) nitrate absorbed on silica gel.
