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KMID : 0043319890120020068
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Archives of Pharmacal Research
1989 Volume.12 No. 2 p.68 ~ p.72
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Hydrolysis of Esters and Amides of 20R- and 20S-Dihydroprednisolonic Acid in Rat Serum and Liver Homogenate
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Yeon KJ
Byun SM/Lee HJ/Lee SH/Kim HP
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Abstract
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The hydrolysis rates of ester and amide derivatives of 20-dihydroprednisolonic acid were measured in rat serum and liver homogenate. The hydrolysis rate of the esters in serum was found to be faster than that in liver homogenate on the basis of blood volume and liver weight, while the amide derivatives showed much slower change. And it is also found that the size of substituents at C-21 and C-20 configuration expressed considerable effects on the hydrolysis rate of these derivatives.
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