Active metabolites resulting from decarboxylation, reduction and ester hydrolysis of parent drugs.

Abstract:

:Decarboxylation, reduction and hydrolysis can yield active metabolites from the parent drug. Major therapeutic indications and metabolic routes of these drugs are reviewed. Changes in the logP values (determined and calculated) from the parent drug to the active metabolite show certain characteristics in comparison to other phase I metabolic alterations. Metabolic decarboxylation of parent drug is commonly associated with increase in lipophilicity. However, in some cases, decarboxylation may cause a reduction in lipophilicity. Ester hydrolysis generally unmasks either the polar carboxylic or hydroxyl group with the outcome of an increase in hydrophilicity. On the contrary, hydrolysis of phosphate ester means a huge increase in the lipophilic character of the drug, as the highly polar phosphate group is removed.

journal_name

Curr Drug Metab

journal_title

Current drug metabolism

authors

Hartyánszky I,Kalász H,Adeghate E,Gulyás Z,Hasan MY,Tekes K,Adem A,Sótonyi P

doi

10.2174/138920012800840437

subject

Has Abstract

pub_date

2012-07-01 00:00:00

pages

835-62

issue

6

eissn

1389-2002

issn

1875-5453

pii

CDM-EPUB-20120508-002

journal_volume

13

pub_type

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