Synthesis of mesoionic triazolopyridine. I. N-alkylation of 1,2,4-triazolo[4,3-a]pyridin-3(2H)-one.

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概要

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• Mesoionic <I>anhydro</I>-1-alkyl-3-hydroxy-1,2,4-triazolo[4,3-<I>a</I>]pyridinium hydroxide (<B>6</B>) was synthesized by selective alkylation at the <I>N</I><SUP>1</SUP>-position of 1,2,4-triazolo[4,3-<I>a</I>]pyridin-3(2<I>H</I>)-one (<B>8</B>). The selectively depends on the use of a mercuric salt catalyst in combination with the trimethylsilyl derivative of <B>8</B>, and its mechanistic features were also studied with reference to the benzylation of <B>8</B>.

• 公益社団法人 日本化学会の論文

著者

• Shimizu Bunji

  Central Research Laboratories, Sankyo Co., Ltd.

• Saito Akio

  Central Research Laboratories, Sankyo Co., Ltd.

関連論文

• Carbon-13 Nuclear Magnetic Resonance Spectra of α-Ribonucleosides
• Synthesis of mesoionic triazolopyridine. I. N-alkylation of 1,2,4-triazolo[4,3-a]pyridin-3(2H)-one.

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