I-2-catalyzed intramolecular oxidative amination of C(sp(3))-H bond: efficient access to 3-acylimidazo [1,2-a]pyridines under neat condition

Huang Lilan; Yin Wenqing; Wang Jian; Gan Chunfang; Huang Yanmin; Huang Chusheng; He Yimiao

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I-2-catalyzed intramolecular oxidative amination of C(sp(3))-H bond: efficient access to 3-acylimidazo [1,2-a]pyridines under neat condition

机译：I-2催化的分子内氧化胺化C（sp（3）） - h键：在整个条件下有效进入3-酰基咪唑[1,2-a]吡啶

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摘要

An efficient and "green" protocol for the synthesis of 3-acylimidazo[1,2-a]pyridines through intramolecular oxidative alpha-amination of carbonyl compounds has been developed. The reaction proceeds smoothly utilizing I-2 as a catalyst and H2O2 as an oxidant under neat condition with broad substrate scope. Several complex nitrogen-containing fused rings are conveniently constructed, which are not easy to access by traditional methods.

机译：已经开发了一种通过分子内氧化α-羰基化合物的分子内氧化α-胺化合成3-酰基咪唑[1,2-A]吡啶的有效和“绿色”方案。反应在整个底物范围内的整个条件下，将I-2作为催化剂和H 2 O 2进行。方便地构建了几种含有复合的含氮稠熔环，这不易通过传统方法进入。

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《RSC Advances》 |2019年第5期|共5页
作者
Huang Lilan; Yin Wenqing; Wang Jian; Gan Chunfang; Huang Yanmin; Huang Chusheng; He Yimiao;
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作者单位

Nanning Normal Univ Guangxi Key Lab Nat Polymer Chem &

Phys Nanning 530001 Peoples R China;

Nanning Normal Univ Guangxi Key Lab Nat Polymer Chem &

Phys Nanning 530001 Peoples R China;

Anhui Normal Univ Coll Chem &

Mat Sci Anhui Lab Mol Based Mat Key Lab Funct Mol Solids Minist Educ Wuhu Peoples R China;

Nanning Normal Univ Guangxi Key Lab Nat Polymer Chem &

Phys Nanning 530001 Peoples R China;

Nanning Normal Univ Guangxi Key Lab Nat Polymer Chem &

Phys Nanning 530001 Peoples R China;

Nanning Normal Univ Guangxi Key Lab Nat Polymer Chem &

Phys Nanning 530001 Peoples R China;

Nanning Normal Univ Guangxi Key Lab Nat Polymer Chem &

Phys Nanning 530001 Peoples R China;

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正文语种 eng
中图分类化学;
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1. I-2-catalyzed intramolecular oxidative amination of C(sp(3))-H bond: efficient access to 3-acylimidazo [1,2-a]pyridines under neat condition [J] . Huang Lilan, Yin Wenqing, Wang Jian, RSC Advances . 2019,第5期

机译：I-2催化的分子内氧化胺化C（sp（3）） - h键：在整个条件下有效进入3-酰基咪唑[1,2-a]吡啶
2. Copper-catalyzed intramolecular oxidative amination of enaminone C-H bond for the synthesis of imidazo[1,2-a]pyridines [J] . Wan Jie-Ping, Hu Deqing, Liu Ying, Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2016,第26期

机译：铜催化的烯胺酮C-H键分子内氧化胺化反应合成咪唑并[1,2-a]吡啶
3. Synthesis of imidazo[1,5-a]pyridines via oxidative amination of the C(sp(3))-H bond under air using metal-organic framework Cu-MOF-74 as an efficient heterogeneous catalyst [J] . Nguyen Hanh T. H., Nguyen Oanh T. K., Thanh Truong, RSC Advances . 2016,第42期

机译：使用金属 - 有机框架Cu-MOF-74作为高效的非均相催化剂在空气中通过氧化胺化合成咪唑胺（SP（3）） - H键合的氧化胺化
4. SYNTHESIS OF CYCLOHEXANE-FUSED SIX- AND EIGHT- MEMBERED HETEROCYCLES VIA Pd(II)-CATALYZED INTRAMOLECULAR OXIDATIVE AMINATION(Abstracts) [C] . Arpad Balazs, Zsolt Szakonyi, Anasztazia Hetenyi European Symposium on Organic Chemistry . 2007

机译：通过Pd（II） - 催化分子内氧化胺化（摘要）对环己烷稠合的六和八元杂环的合成
5. Palladium-Catalyzed Direct Functionalization of Aromatic Carbon-Hydrogen Bonds: Development of Methods for Direct Amination and Mechanistic Studies of Direct Arylation of Benzene and Pyridine N-Oxide. [D] . Tan, Yichen. 2013

机译：钯催化芳香碳氢键的直接官能化：苯胺和吡啶N-氧化物的直接胺化方法的发展和直接胺化的机理研究。
6. Oxaziridine-Mediated Intramolecular Amination of sp3-Hybridized C–H bonds [O] . Charles P. Allen, Tamas Benkovics, Amanda K. Turek, -1

机译：的sp3-杂化的C-H键氧氮杂环丙烷介导的分子内胺化
7. Copper-Catalyzed Intramolecular Amination of C(sp3)H Bond of Secondary Amines to Access Azacycles [O] . -1

机译：仲胺的C（SP3）H键的铜催化的分子内胺化以获得氮杂性

I-2-catalyzed intramolecular oxidative amination of C(sp(3))-H bond: efficient access to 3-acylimidazo [1,2-a]pyridines under neat condition

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