[EN] 18F-LABELLED FOLATE/ANTIFOLATE ANALOGUES<br/>[FR] ANALOGUES DE FOLATES/ANTIFOLATES MARQUÉS AU 18F
申请人:MERCK & CIE
公开号:WO2013167653A1
公开(公告)日:2013-11-14
The present invention is directed towards new 18 F- folate/antifolate analogue radiopharmaceuticals, wherein the phenyl group within folate structures has been replaced by an 18F- heterocycle, their precursors, a method of their preparation, as well as their use in diagnosis of a cell or population of cells expressing a folate-receptor and monitoring of cancer and inflammatory and autoimmune diseases and therapy thereof.
The present invention is directed towards new
18
F-folate/antifolate analogue radiopharmaceuticals, wherein the phenyl group within folate structures has been replaced by an
18
F-heterocycle, their precursors, a method of their preparation, as well as their use in diagnosis of a cell or population of cells expressing a folate-receptor and monitoring of cancer and inflammatory and autoimmune diseases and therapy thereof.
The present invention is directed towards new 18F-folate/antifolate analog radiopharmaceuticals, wherein the phenyl group within folate structures has been replaced by an 18F-heterocycle, their precursors, a method of their preparation, as well as their use in diagnosis of a cell or population of cells expressing a folate-receptor and monitoring of cancer and inflammatory and autoimmune diseases and therapy thereof.
Radiosynthesis and Preclinical Evaluation of 3′-Aza-2′-[<sup>18</sup>F]fluorofolic Acid: A Novel PET Radiotracer for Folate Receptor Targeting
作者:Thomas Betzel、Cristina Müller、Viola Groehn、Adrienne Müller、Josefine Reber、Cindy R. Fischer、Stefanie D. Krämer、Roger Schibli、Simon M. Ametamey
DOI:10.1021/bc300483a
日期:2013.2.20
where the phenyl ring of folic acid was isosterically replaced by a pyridine moiety for directlabeling with [18F]fluoride (integrated approach). 3′-Azafolic acid and its 2′-halogenated derivatives (2′-chloro and 2′-fluoro) were evaluated in vitro to determine their binding affinity. 3′-Aza-2′-[18F]fluorofolic acid ([18F]6) was obtained, starting from N2-acetyl-3′-aza-2′-chlorofolic acid di-tert-butylester