Procedure:  500 mL 1-neck flask, stirbar, septum, N₂ inlet

                  Dissolved 6.632 g of propargyl alcohol I in 200 mL of dry THF.  Stirred;  cooled to 0 C.  Added 20.0 mL of Red-Al (65 ^w/_w% in toluene) dropwise.  Vigorous gas evolution was observed.  After 55 min the reaction was quenched with sat. aq. Na/K tartrate and stirred for 16 h.  Two clear layers were obtained which were separated and the aqueous layer was extracted with Et₂O.  The organic layers were combined and dried over MgSO₄, filtered and the solvent was removed by rotary evaporation.  The product was isolated by flash chromatography on silica gel using Et₂O as eluant.  The product was a clear, pale yellow oil.