Heterocycles

Syntheses of 2-azafluorenones from 3-substituted 4-arylpyridines

MJ Shiao, KH Liu, PY Lin

Index: Shiao, Min-Jen; Liu, Kang-Hsiuan; Lin, Pen-Yuan Heterocycles, 1993 , vol. 36, # 3 p. 507 - 518

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Citation Number: 19

Abstract

摘要3-Substituted 4-arylpyridines (5a-i) were synthesized in good yields by reaction of mixed copper, zinc aryl organometallics (2a-e) with 1-ethoxycarbonyl-pyridinium chlorides (1a-d) followed by o-chloranil oxidation under reflux in toluene. The 4-arylpyridines (5a-i)