One of the major metabolites of propranolol (Inderal) is the 0-glucuronide. In order to further study its disposition, possible metabolism, and contribution to the antihypertensive effect of propranolol, we have synthesized and separated the two diastereomeric propranolol 0-/3-D- glucuronides (9a, b). These compounds were prepared by reaction of naphthol with epichlorohydrin and treatment of the resulting (2RS)-1'-(2, 3-epoxypropoxy) naphthalene ( ...