Isomeric alcohols 10a foil; ir 3459, 1738 cm-'; R-1 P o. ss (c) l, E[RS 0.53 (c)] and lla [oiZ; ir 3480, 2740 cm; R s 0.68 (c)], G 1~~ O. EO (c) l formed in quantitative yield by the reduction of 2 and 2 [UaBR4* In methanol, 0'1 were separated by silica gel column chromatography. ...