Catalytic Aerobic Dehydrogenation of Nitrogen Heterocycles Using Heterogeneous Cobalt Oxide Supported on Nitrogen-Doped Carbon.

Catalytic Aerobic Dehydrogenation of Nitrogen Heterocycles Using Heterogeneous Cobalt Oxide Supported on Nitrogen-Doped Carbon.
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DOI:
10.1021/acs.orglett.5b01790
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发表时间:
2015-09-18
期刊:
影响因子:
5.2
通讯作者:
Stahl SS
Stahl SS
中科院分区:
化学1区
文献类型:
--
作者:
Iosub AV;Stahl SS

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(部分)饱和杂环的脱氢提供了杂芳族化合物的重要途径。以前用于醇和胺的有氧氧化的多相氧化钴催化剂被证明可有效地将各种1,2,3,4-四氢喹啉有氧脱氢成相应的喹啉。该反应在温和条件下以良好的产率进行。其他 N-杂环也被成功氧化为其芳香族对应物。
Dehydrogenation of (partially) saturated heterocycles provides an important route to heteroaromatic compounds. A heterogeneous cobalt oxide catalyst, previously employed for aerobic oxidation of alcohols and amines, is shown to be effective for aerobic dehydrogenation of various 1,2,3,4-tetrahydroquinolines to the corresponding quinolines. The reactions proceed in good yields under mild conditions. Other N-heterocycles are also successfully oxidized to their aromatic counterparts.
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