FORMATION OF DIAZOKETONES AND AZINES BY IMPROVED OXIDATION OF KETOHYDRAZONES USING CU(ACAC)(2) AS A CATALYST

被引：32
作者：
IBATA, T
SINGH, GS
机构：
[1] Institute of Chemistry, College of General Education, Osaka University, Toyonaka, Osaka
来源：
TETRAHEDRON LETTERS | 1994年 / 35卷 / 16期
关键词：
KETOHYDRAZONE; CU(ACAC)(2); OXIDATION; DIAZOKETONE; AZINE;
D O I：
10.1016/S0040-4039(00)77176-0
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
An efficient Cu(acac)(2)-catalyzed oxidation of ketohydrazones afforded the corresponding alpha-diazoketones or ketazines in high yields depending on the reaction conditions. However, the reaction of benzophenone hydrazone gave benzophenone azine without affording diphenyldiazomethane. The formation of azines is explained by the intermediacy of carbenoid generated by the Cu(acac)(2)-catalyzed decomposition of diazo compounds.
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页码：2581 / 2584
页数：4
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