Dipolar Bent and Linear Acetylenes Substituted by Cationic Quinolinium and Anionic Benzoates. Formation of Mesomeric Betaines

A Schmidt, S Batsyts, A Smeyanov…

文献索引：Smeyanov, Alexey; Schmidt, Andreas Synthetic Communications, 2013 , vol. 43, # 20 p. 2809 - 2816

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摘要

3-Ethynylquinoline was subjected to a Sonogashira–Hagihara reaction with methyl 2-, 3-, and 4-bromobenzoates, respectively, and then N-methylated to give 3-[((methoxycarbonyl) phenyl) ethynyl]-1-methylquinolinium salts (two X-ray analyses). On saponification of the 3-