没食子酸
氧化磷酸化
再结晶(地质)
产量(工程)
乙醇
化学
有机化学
水溶液
功能群
组合化学
生物化学
抗氧化剂
古生物学
材料科学
冶金
生物
聚合物
作者
Haofei Zhou,Xuchen Shang,Wenhao Li,Cheng Zhu,Guanyu Yang,Yingchao Dou
标识
DOI:10.1021/acs.joc.4c00017
摘要
The protocol of aerobic oxidative dehydroxycyclization installed in the synthesis of rarely studied 1-hydroxyphenothiazines from catechols and o-mercaptoanilines is presented. Utilizing a natural renewable low-toxicity gallic acid as an organocatalyst, this established transformation proceeded smoothly in an aqueous ethanol solution under mild conditions with good functional group compatibility and up to a 94% isolated yield. This protocol is also characterized by its operational simple workup involving only recrystallization, revealing its sustainability and synthetic practicability.
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