Synthesis and biological evaluation of fatty acids conjugates bearing cyclopentadienyl-donors incorporated [(99m)Tc/Re(CO)3]+ for myocardical imaging.

Abstract:

:Four (99m)Tc-labeled fatty acid analogs, 1b, 2b, 3b, 4b were synthesized by a double ligand transfer reaction and theirs potential were investigated. The radiochemical yield of the radiotracers was from 11.7% to 30.3% (no decay corrected). Those compounds were found to be chemically stable when incubated in SD rat serum for 3 h at 37 °C. The biodistribution studies in mice showed that high radioactivity accumulated of Tc-99m complexes were observed, followed by moderate clearance from the heart. The maximum heart/blood ratio was 5.7 at 15 min postinjection of 1b. Metabolite analysis showed 1b was not metabolized by β-oxidation in the heart. These results suggest that 1b may be a promising radiotracer for evaluation of myocardial viability.

journal_name

Eur J Med Chem

authors

Zeng H,Zhang H

doi

10.1016/j.ejmech.2013.11.015

subject

Has Abstract

pub_date

2014-01-24 00:00:00

pages

10-7

eissn

0223-5234

issn

1768-3254

pii

S0223-5234(13)00749-6

journal_volume

72

pub_type

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