The Physicochemical Properties, Plasma Enzymatic Hydrolysis, and Nasal Absorption of Acyclovir and Its 2′-Ester Prodrugs

Abstract
A series of 2′-( O-acyl) derivatives of 9-(2-hydoxyethoxymethyl)guanine (acyclovir) was synthesized by acid anhydride esterification. Aqueous solubilities in isotonic phosphate buffer (pH 7.4),...