Among the naturally occurring C-aryl glycosides, the gilvocarcin antitumor antibiotics l2 are unique in that the carbohydrate substituent is positioned para to a phenolic hydroxyl group. Implicit in previous approaches to the establishment of this connection is the feasibility of liberating the phenolic hydroxyl group from a pakoxy C-aryl glycoside." For simple alkyl phenyl ethers, this dealkylation has not been demonstrated, and successful pre-partions ...