Preparation and structure elucidation of 1,6,9,13-tetraoxadispiro(4.2.4.2)tetradecane
作者:Bruce Gaede、Rodger Henry、Steven A. Chamberlin
DOI:10.1002/jhet.5570370553
日期:2000.9
The tricyclic title compound, a symmetrical dispiro oxygen heterocycle, was isolated as a byproduct in the hydrogenation of furfuryl alcohol in the presence of hydrochloric acid. NMR studies and single crystal X-ray analysis have established the relative stereochemistry of the two ketal carbons. Formation of the observed trans stereoisomer under equilibrating conditions is attributed to the anomeric