Nano Au/Pd-catalysed ‘on-water’ synthesis of C3–C3′ diaryl-oxindole scaffolds via N2-selective dearomatization of indole,Green Chemistry

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Nano Au/Pd-catalysed ‘on-water’ synthesis of C3–C3′ diaryl-oxindole scaffolds via N2-selective dearomatization of indole
Green Chemistry ( IF 9.3 ) Pub Date : 2019-11-22 , DOI: 10.1039/c9gc02370d
Shivanee Borpatra Gohain _{1,

2,

3,

4} , Monika Basumatary _{4,

5,

6,

7} , Purna K. Boruah _{4,

8,

9,

10,

11} , Manash R. Das _{4,

8,

9,

10,

11} , Ashim Jyoti Thakur _{1,

2,

3,

4}

Affiliation

‘On-water’ synthesis of 2,2-bis(indoly-3-yl)indoline-3-ones via N₂-selective dearomatization of ‘(N–H) protection-free’ indole derivatives is described. An oxidative homo trimerization of indole via nano Au/Pd catalysis with oxone as additive was successfully demonstrated for the first time. In situ generation of isatin at room temperature and with water as solvent are key features.

中文翻译：

纳米金/钯催化的吲哚的N2-选择性脱芳香化反应合成C3-C3'二芳基-羟吲哚支架的“水上”合成

描述了通过N ₂ -“（NH ）无保护”吲哚衍生物的N _2-选择性脱芳香化作用，“水上”合成2，2-双（吲哚基-3-基）吲哚啉-3-酮。吲哚的氧化均聚物的三聚经由与过硫酸氢钾作为添加剂的纳米金/钯催化被成功地证明首次。室温下以水为溶剂原位生成伊斯兰丁是关键特征。

更新日期：2019-11-22

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