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Communication | Special issue | Vol 73, No. 1, 2007, pp.165-168
Published online, 11th May, 2007
DOI: 10.3987/COM-07-S(U)4
Do Upper Limits to the Multiple Spiro Acetalization of the Cyclohexane Ring Exist?

Peter R. Selvaraj and Leo A. Paquette*

*Evans Chemical Laboratories, The Ohio State University, Columbus, OH 43210, USA


An attempt to transform the pyranoside (5) into the bifacial ligand (3) is described. The first subtarget is acetal (13) whose conversion into tris acetal (17) is made possible by remote C-H activation. Regrettably, triol (20) does not lend itself to comparable triple cyclization.