Synthesis of (R)-(-)-and (S)-(+)-synadenol (1a and 2a, 95-96% ee) is described. Racemic synadenol (1a+ 2a) was deaminated with adenosine deaminase to give (R)-(-)-synadenol (1a) and (S)-(+)-hypoxanthine derivative 5. Acetylation of the latter compound gave ...