An organoantimony nitrate complex with azastibocine framework as water tolerant Lewis acid catalyst for the synthesis of 1,2-disubstitued benzimidazoles

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成果类型：

期刊论文

作者：

Zhou, Cong;Lei, Jian;Liu, Yongping;Au, Chak-Tong;Chen, Yi*;...

通讯作者：

Yin, Shuang-Feng;Chen, Yi

作者机构：

[Lei, Jian; Yin, Shuang-Feng; Zhou, Cong] Hunan Univ, Coll Chem & Chem Engn, State Key Lab Chemo Biosensing & Chemometr, Adv Catalyt Engn Res Ctr,Minist Educ, Changsha 410082, Hunan, Peoples R China.

[Chen, Yi; Lei, Jian; Liu, Yongping] Hunan Univ Chinese Med, Sch Med, Changsha 410208, Peoples R China.

[Lei, Jian] Gannan Med Univ, Coll Pharm, Ganzhou 341000, Peoples R China.

[Au, Chak-Tong] Hunan Inst Engn, Coll Chem & Chem Engn, Xiangtan 411104, Peoples R China.

通讯机构：

[Yin, Shuang-Feng; Chen, Yi] H

Hunan Univ, Coll Chem & Chem Engn, State Key Lab Chemo Biosensing & Chemometr, Adv Catalyt Engn Res Ctr,Minist Educ, Changsha 410082, Hunan, Peoples R China.

Hunan Univ Chinese Med, Sch Med, Changsha 410208, Peoples R China.

语种：

英文

关键词：

Benzimidazole derivatives;Lewis acid catalysis;N -> Sb coordination;nitrate;Organoantimony

期刊：

Applied Organometallic Chemistry

ISSN：

0268-2605

年：

2020

卷：

期：

页码：

e5881-

DOI：

10.1002/aoc.5881

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China [21571060, 21725602]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2018JJ2288, 2019JJ40222]

机构署名：

本校为通讯机构

院系归属：

医学院

摘要：

A novel organoantimony complex of 6-cyclohexyl-6,7-dihydrodibenzo[c,f] [1,5]azastibocin-12(5H)-yl nitrate (2) was synthesized and systematically characterized by techniques such as NMR spectra, TG-DSC, and X-ray diffraction. It was found that the complex 2 exhibits relatively strong Lewis acidity (3.3 < Ho ≤ 4.8) and could be employed as a water tolerant Lewis acid catalyst for the synthesis of synthetically valuable benzimidazole derivatives starting from aldehydes and arylenediamines. This catalytic system shows excellent tolerance toward a ...

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An organoantimony nitrate complex with azastibocine framework as water tolerant Lewis acid catalyst for the synthesis of 1,2-disubstitued benzimidazoles

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