Copper-catalyzed mild and efficient entry to 1-substituted indazolones

Copper-catalyzed mild and efficient entry to 1-substituted indazolones
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DOI:
10.1055/s-2008-1077973
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发表时间:
2008-08-01
期刊:
影响因子:
2
通讯作者:
Kirihata, Mitsunori
Kirihata, Mitsunori
中科院分区:
化学4区
文献类型:
--
作者:
Tanimori, Shinji;Ozaki, Yuka;Kirihata, Mitsunori

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从市售的 2-卤代苯甲酸和肼出发,在温和条件下通过铜催化 2-卤代苯甲酰肼的分子内 C-N 键形成,可以轻松合成各种 1-烷基和芳基取代的吲唑酮。
A variety of 1-alkyl- and aryl-substituted indazolones were synthesized easily starting from commercially available 2-halobenzoic acids and hydrazines via the copper-catalyzed intramolecular C-N bond formation of 2-halobenzohydrazides under mild conditions.