Metal-free C-H arylation of imidazoheterocycles with aryl hydrazines

Jana Sourav; Samanta Sadhanendu; Bagdi Avik K.; Shirinian Valerii Z.; Hajra Alakananda

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Metal-free C-H arylation of imidazoheterocycles with aryl hydrazines

机译：咪唑嘧啶与芳基肼的无金属C-H芳族化

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A simple and efficient metal-free arylation of imidazo[1,2-a] pyridines at the C-3 position with arylhydrazine has been achieved at room temperature under ambient air conditions. Various 2,3-disubstituted imidazopyridines and imidazothiazoles were synthesized with high yields. The present methodology demonstrates the usefulness of commercially available aryl hydrazine as an arylating agent.

机译：在室温下在环境空气条件下在室温下实现了在C-3与芳基肼的C-3位置的简单且有效的无金属无金属芳酰化。用高产率合成各种2,3-二取代的咪唑吡啶和咪唑噻唑。本方法证明了市售芳基肼作为芳基化剂的有用性。

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《RSC Advances》 |2018年第22期|共8页
作者
Jana Sourav; Samanta Sadhanendu; Bagdi Avik K.; Shirinian Valerii Z.; Hajra Alakananda;
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作者单位

Visva Bharati A Cent Univ Dept Chem Santini Ketan 731235 W Bengal India;

Visva Bharati A Cent Univ Dept Chem Santini Ketan 731235 W Bengal India;

TDB Coll Dept Chem Burdwan 713347 W Bengal India;

Zelinsky Inst Organ Chem RAS 47 Leninsky Prosp Moscow 119991 Russia;

Visva Bharati A Cent Univ Dept Chem Santini Ketan 731235 W Bengal India;

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正文语种 eng
中图分类化学;
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1. Metal-free C-H arylation of imidazoheterocycles with aryl hydrazines [J] . Jana Sourav, Samanta Sadhanendu, Bagdi Avik K., RSC Advances . 2018,第22期

机译：咪唑嘧啶与芳基肼的无金属C-H芳族化
2. The study of metal-free and palladium-catalysed synthesis of benzochromenes via direct C-H arylation using unactivated aryl benzyl ethers derived from essential oils as raw materials [J] . Marlyn C. Ortiz Villamizar, Fedor I. Zubkov, Carlos E. Puerto Galvis Organic Chemistry Frontiers . 2017,第9期

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3. Metal-free, C-H arylation of indole and its derivatives with aryl diazonium salts by visible-light photoredox catalysis [J] . Zhang Ying-Peng, Feng Xiao-Long, Yang Yun-Shang, Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2016,第21期

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4. Effect on the 2-Heteroaryl Substituents as a Directing Group for thePalladium-catalyzed C-H Activation Arylation of Azulenes at the 1,3-Positions [C] . Yoshihiro Ogasawara, Takuya Nagasawa, Tomoaki Yatsu 日本化学会春季年会 . 2020

机译：对2-杂芳基取代基的影响为1,3位在1,3-位的丙啶催化的C-H活化芳族化的引导基团
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机译：铜介导的氧化脱羧偶联反应：以三氟乙酸为CF3源的杂芳烃C-H键的三氟甲基化和苯并恶唑与苯甲酸的C-H芳基化
6. Generation of Aryl Radicals from Aryl Hydrazines viaCatalytic Iodine in Air: Arylation of Substituted 14-Naphthoquinones [O] . Saibal Sar, Jyoti Chauhan, Subhabrata Sen 2020

机译：通过芳基肼生成芳基自由基空气中的催化碘：取代14-萘醌的芳构化
7. Transition metal-free, chemoselective arylation of thioamides yielding aryl thioimidates orN-aryl thioamides [O] . Piret Villo, Gabriella Kervefors, Berit Olofsson 2018

机译：无金属无金属，硫胺的化学选择性芳基，得到芳基硫化物氨基酰亚胺

Metal-free C-H arylation of imidazoheterocycles with aryl hydrazines

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