5747
J . Am. Chem. SOC.1990, 112, 5747-5749 washed with saturated brine (1 X 15 mL). The ether solution was dried (MgSO,) and evaporated. The residue was an oil and had a n D +21 . l o (neat, 1 dm). Analysis of the product by GC showed that the hydroizenolvsis was essentiallv comdete. A peak with a retention time of 3.8 min was present, corr6pondi'ngto a-phenylethyl alcohol (2a). but the peak corresponding to the retention time of 2f (5.9 min) was absent. Hydrogenolysisd (~)-~+~bbropbeayl)&~thy~ [ ( ~ ) - 2 j )The hydrogenolysis of (R)-2j was accomplished by using the same general procedure used for the hydrogenolysis of (R)-2f. The product oil has &uD -
