1202
J.Org. Chem., Vol. 42, No. 7,1977
Posner, Runquist, and Chapdelaine
Organic Reactions at Alumina Surfaces. 6. Isopropyl Alcohol and Diisopropylcarbinol on Dehydrated Alumina as Reagents for Very Selective Carbonyl Reductions’ Gary H. Posner,*2 Alfonse W. Runquist, and (in part) Marc J. Chapdelaine Department o/ Chemistry, The Johns Hopkins University, Baltimore, Maryland 21218 Received August 4,1976 2-Propanol on dried Woelm alumina at room temperature reduces structurally diverse aldehydes cleanly and rapidly (