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Volumn 15, Issue 45, 2009, Pages 12489-12495

Pd0-mediated rapid coupling between methyl iodide and heteroarylstannanes: an efficient and general method for the incorporation of a positron-emitting11C radionuclide into heteroaromatic frameworks

Author keywords

C C coupling; Heterocycles; Isotopic labeling; Palladium; Tin

Indexed keywords

C-C COUPLING; CARBON FRAMEWORK; DMF SOLVENTS; GENERAL APPROACH; GENERAL METHOD; HETEROAROMATIC COMPOUNDS; HETEROCYCLES; ISOTOPIC LABELING; LOW-YIELD; METHYL GROUP; METHYL IODIDE; PET TRACER; PHOSPHINE LIGANDS; REACTIVE SUBSTRATES; VITAL SYSTEMS;

EID: 70849085211     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200901145     Document Type: Article
Times cited : (25)

References (64)
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    • note
    • 3I) with a large amount (mg) of a reacting substrate. Therefore, we performed the reaction by using an excess amount of an alkenylstannane with the methyl iodide.
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    • Pyridine formed by destannylation was not observed by GC analysis
    • Pyridine formed by destannylation was not observed by GC analysis.
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    • note
    • Phosphine was limited to 16 equiv in the small-scale synthesis of the PET tracers due to its limited solubility. Thus, the conditions defined by the use of NMP as solvent and an increased ratio of the phosphine ligand are highly tolerant and could be applied to some improved conditions in actual PET tracer synthesis, as long as such required two factors are not changed.
  • 57
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    • note
    • [1h] are much better precursors for PET tracer synthesis.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.