The Reaction of Nitriles with Phosgene. V. Cyclization Reactions of <I>N</I>-(α-Chlorobenzylidene)carbamoyl Chloride

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概要

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• <I>N</I>-(α-Chlorobenzylidene)carbamoyl chloride (<B>1</B>) reacts with hydrazine hydrate to give 3-phenyl-1,2,4-triazolone (<B>2</B>), with sodium azide in the presence of water to give 5-phenyltetrazole (<B>3</B>), and with aliphatic nitriles in the presence of hydrogen chloride to give 6-chloro-2-phenyl-5-substituted-4(3<I>H</I>)-pyrimidones (<B>5</B>) and 4,6-dichloro-2-phenyl-5-substituted pyrimidines (<B>6</B>). However, the reaction of <B>1</B> with trichloroacetonitrile or pivalonitrile in the presence of hydrogen chloride did not give the expected triazines.

• 公益社団法人 日本化学会の論文

著者

• Yanagida Shozo

  Department of Applied Chemistry, Faculty of Engineering, Osaka University

• Yokoe Masaaki

  Department of Applied Chemistry, Faculty of Engineering, Osaka University

• Komori Saburo

  Department of Applied Chemistry, Faculty of Engineering, Osaka University

• Ohoka Masataka

  Department of Applied Chemistry, Faculty of Engineering, Osaka University

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