Morpholinoalkyl ester prodrugs of diclofenac: synthesis, in vitro and in vivo evaluation
VK Tammara, MM Narurkar, AM Crider…
Index: Tammara; Narurkar; Crider; Khan Journal of Pharmaceutical Sciences, 1994 , vol. 83, # 5 p. 644 - 648
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Citation Number: 63
Abstract
Abstract Morpholinoalkyl esters (HCI salts) of diclofenac (1) were synthesized and evaluated in vitro and in vivo for their potential use as prodrugs for oral delivery. Prodrugs were freely soluble in simulated gastric fluid (SGF) and pH 7.4 phosphate buffer and showed a minimum of a 2000-fold increase in solubility over the parent drug. All prodrugs were more lipophilic than 1 as indicated by n-octanol/pH 7.4 buffer partition coefficients, but less lipophilic than ...
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