Abstract
Sodium-proton exchangers, NHEs are plasma membrane proteins that are essential in the regulation of intracellular pH of the myocardium. There are nine known variously expressed isoforms of NHEs with NHE-1 being the predominant isoform in the heart. N-[4-(1-acetyl-piperidin-4-yl)-3-trifluoromethyl-benzoyl]-guanidine (1) is a potent NHE 1inhibitor with good pharmacokinetics. It was prepared labeled with deuterium and carbon-14 to aid in drug metabolism, pharmacokinetics, and other studies. The combination of Comins' reaction and reduction under deuterium gas was used to access deuterium labeled (1) starting from deuterium labeled pyridine. Carbon-14 labeled zinc cyanide was used to prepare [14C]-(1) in three steps, with a specific activity of 55.6 mCi/mmol.
Keywords: NHE-1, Radiosynthesis, Carbon-14, deuterium, Comins reaction
Current Radiopharmaceuticals
Title:Sodium-Proton Exchanger Isoform-1: Synthesis of a Potent Inhibitor Labeled with Deuterium and Carbon-14
Volume: 6 Issue: 1
Author(s): Bachir Latli, Nizar Haddad, Matt Hrapchak, Xudong Wei, Wenjun Tang, Jinhua J. Song and Chris H. Senanayake
Affiliation:
Keywords: NHE-1, Radiosynthesis, Carbon-14, deuterium, Comins reaction
Abstract: Sodium-proton exchangers, NHEs are plasma membrane proteins that are essential in the regulation of intracellular pH of the myocardium. There are nine known variously expressed isoforms of NHEs with NHE-1 being the predominant isoform in the heart. N-[4-(1-acetyl-piperidin-4-yl)-3-trifluoromethyl-benzoyl]-guanidine (1) is a potent NHE 1inhibitor with good pharmacokinetics. It was prepared labeled with deuterium and carbon-14 to aid in drug metabolism, pharmacokinetics, and other studies. The combination of Comins' reaction and reduction under deuterium gas was used to access deuterium labeled (1) starting from deuterium labeled pyridine. Carbon-14 labeled zinc cyanide was used to prepare [14C]-(1) in three steps, with a specific activity of 55.6 mCi/mmol.
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Cite this article as:
Latli Bachir, Haddad Nizar, Hrapchak Matt, Wei Xudong, Tang Wenjun, J. Song Jinhua and H. Senanayake Chris, Sodium-Proton Exchanger Isoform-1: Synthesis of a Potent Inhibitor Labeled with Deuterium and Carbon-14, Current Radiopharmaceuticals 2013; 6 (1) . https://dx.doi.org/10.2174/1874471011306010002
DOI https://dx.doi.org/10.2174/1874471011306010002 |
Print ISSN 1874-4710 |
Publisher Name Bentham Science Publisher |
Online ISSN 1874-4729 |
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