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首页> 外文期刊>Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry >Nitrosation of beta'-hydroxylamino-alpha,beta-unsaturated oximes:synthesis of l,7-dioxa-2,6-diaza-spiro[4,4]nona-2,8-diene ring system
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Nitrosation of beta'-hydroxylamino-alpha,beta-unsaturated oximes:synthesis of l,7-dioxa-2,6-diaza-spiro[4,4]nona-2,8-diene ring system

机译:β'-羟氨基-α,β-不饱和肟的亚硝化:1,7-二氧杂-2,6-二氮杂螺[4,4] nona-2,8-二烯环系统的合成

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摘要

Nitrosation of bis arylidene acetone oximes with nitrous acid in glacial acetic acid gives 3-vinyl pyrazolone-N,N'-dioxides in 32-37% yield.Similar reactions of 2-arylidene-6-(hydroxylamino-aryl-methyl)-cyclohexanone oximes give tricyclic compounds with dioxa-2,6-diaza-spiro[4,4] nona-2,8-diene ring systems in 77-84% yield.
机译:在冰醋酸中用亚硝酸亚硝基双亚芳基丙酮肟制得3-乙烯基吡唑啉酮-N,N'-二氧化物,收率为32-37%.2-亚芳基-6-(羟基氨基-芳基-甲基)-环己酮的类似反应肟以77-84%的收率得到具有dioxa-2,6-diaza-spiro [4,4] nona-2,8-diene环系统的三环化合物。

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