Dispiroketals in synthesis (Part 15): Simultaneous enantioselective and regioselective protection of glycerol by reaction with C2 symmetric (4S,4'S)-dimethyl-bis-dihydropyran

Article abstract of DOI:10.1055/s-1994-25680

Glycerol was simultaneously, enantioselectively and regioselectively protected by reaction with (4S,4'S)-4,4'-dimethyl-3,3',4,4'-tetrahydro-6,6'-bis-2H-pyran to afford a dispiroketal product.