摘要/Abstract
以2-氨基-3-芳基萘-1,4-二酮为底物, 发展了一类可见光/钯催化的分子内C—H键氧化胺化反应. 以氧气作为氧化剂及醋酸钯作为催化剂, 在蓝色LED光照射下, 2-氨基-3-芳基萘-1,4-二酮底物在室温下被转化为咔唑醌衍生物, 反应具有良好的产率、官能团耐受性和优异的区域选择性.
关键词: 光促进, 钯催化, 碳-氢键胺化, 咔唑醌
An intramolecular palladium-catalyzed cross-dehydrogenative C—H amination under blue LED irradiation at room temperature was developed. With oxygen as the external oxidant, a broad range of functional groups was compatible with the aromatic C—H amination of 2-amino-3-arylnaphthalene-1,4-diones, and diverse carbazolequinones can be obtained with good yields and excellent regioselectivity.
Key words: light-promoted, palladium-catalyzed, C—H amination, carbazolequinones
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