%0 Journal Article %T Chemoselective Preparation of 1,1-Diacetates from Aldehydes, Mediated by a Keggin Heteropolyacid Under Solvent Free Conditions at Room Temperature %A G. Romanelli %A P. Dimitroff %A P. Vá %A zquez %A J. C. Autino %J Journal of Chemistry %D 2007 %I Hindawi Publishing Corporation %R 10.1155/2007/313414 %U http://dx.doi.org/10.1155/2007/313414