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Title: Synthesis of Diverse 11C-Labeled PET Radiotracers via Direct Incorporation of [11C]CO2

Journal Article · · Bioconjugate Chemistry
 [1];  [1];  [1];  [1];  [1];  [2];  [2];  [3];  [1]
  1. Univ. of Michigan Medical School, Ann Arbor, MI (United States). Division of Nuclear Medicine and Dept. of Radiology
  2. Bristol-Myers Squibb Research and Development, Princeton, NJ (United States). Discovery Chemistry Platforms and PET Radiochemical Synthesis
  3. Univ. of Michigan Medical School, Ann Arbor, MI (United States). The Interdepartmental Program in Medicinal Chemistry, Division of Nuclear Medicine and Dept. of Radiology

Three new positron emission tomography (PET) radiotracers of interest to our functional neuroimaging and translational oncology programs have been prepared through new developments in [11C]CO2 fixation chemistry. [11C]QZ (glutaminyl cyclase) was prepared via a tandem trapping of [11C]CO2/intramolecular cyclization; [11C]tideglusib (glycogen synthase kinase-3) was synthesized through a tandem trapping of [11C]CO2 followed by an intermolecular cycloaddition between a [11C]isocyanate and an isothiocyanate to form the 1,2,4-thiadiazolidine-3,5-dione core; [11C]ibrutinib (Bruton’s tyrosine kinase) was synthesized through a HATU peptide coupling of an amino precursor with [11C]acrylic acid (generated from [11C]CO2 fixation with vinylmagnesium bromide). All radiochemical syntheses are fully-automated on commercial radiochemical synthesis modules and provide radiotracers in 1 – 5% radiochemical yield (non-corrected, based upon [11C]CO2). In addition, all three radiotracers have advanced to rodent imaging studies and preliminary PET imaging results are also reported.

Research Organization:
Univ. of Michigan Medical School, Ann Arbor, MI (United States)
Sponsoring Organization:
USDOE; National Institutes of Health (NIH); Alzheimer’s Association
Grant/Contract Number:
SC0012484; T32-EB005172; NIRP-14-305669
OSTI ID:
1467011
Journal Information:
Bioconjugate Chemistry, Vol. 27, Issue 5; ISSN 1043-1802
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 23 works
Citation information provided by
Web of Science

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Cited By (7)

Chemie der Positronenemissionstomographie: Aktuelle Fortschritte bei 11 C‐, 18 F‐, 13 N‐ und 15 O‐Markierungsreaktionen journal January 2019
Chemistry for Positron Emission Tomography: Recent Advances in 11 C-, 18 F-, 13 N-, and 15 O-Labeling Reactions journal January 2019
Rapid and Efficient Synthesis of 11 C-Labeled Benzimidazolones Using [ 11 C]Carbon Dioxide journal February 2019
Direct Incorporation of [ 11 C]CO 2 into Asymmetric [ 11 C]Carbonates journal December 2018
Recent progress in [ 11 C]carbon dioxide ([ 11 C]CO 2 ) and [ 11 C]carbon monoxide ([ 11 C]CO) chemistry journal February 2018
Late-Stage Isotopic Carbon Labeling of Pharmaceutically Relevant Cyclic Ureas Directly from CO 2 journal July 2018
Late-Stage Isotopic Carbon Labeling of Pharmaceutically Relevant Cyclic Ureas Directly from CO 2 journal July 2018