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Synthesis 1991; 1991(10): 849-850
DOI: 10.1055/s-1991-26589
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Regio- and Chemoselective Addition of Mixed Copper, Zinc Benzylic Organometallics to Functionalized Pyridinium Salts: A Facile Synthesis of Functionalized 4-Benzylpyridines

Tai-Li Shing* , Win-Long Chia, Min-Jen Shiao, Tay-Yuan Chau
  • *Institute of Chemistry, Academia Sinica, Nankang, Taipei, Taiwan, Republic of China
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Publication Date:
29 April 2002 (online)

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2′,3-Disubstituted 4-benzylpyridines 4 were synthesized in good yield by reaction of mixed copper, zinc benzylic organometallics 1 with 3-substituted 1-(ethoxycarbonyl)pyridinium chlorides 2 followed by sulfur oxidation under reflux in decalin.