Electrochemical Synthesis of Benzazoles from Alcohols and o-Substituted Anilines with a Catalytic Amount of Co-II Salt

Lai Yin-Long; Ye Jian-Shan; Huang Jing-Mei

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Electrochemical Synthesis of Benzazoles from Alcohols and o-Substituted Anilines with a Catalytic Amount of Co-II Salt

机译：催化量的Co-II盐由醇和邻位取代苯胺电化学合成苯并唑

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An electrochemical synthesis of benzazoles directly from alcohols and o-substituted anilines has been developed. The reaction conditions have been optimized by varying the composition of the electrolyte and the metal salt used as catalyst. The cyclization proceeds smoothly with a catalytic amount of a cobalt salt under air at room temperature to afford 2-substituted benzimidazoles, benzothiazoles, and benzoxazoles in good to excellent yields with a wide substrate scope.

机译：已经开发了直接由醇和邻取代苯胺电化学合成苯并唑的方法。通过改变电解质和用作催化剂的金属盐的组成已经优化了反应条件。在室温下空气中，在催化量的钴盐的作用下，环化反应顺利进行，得到2-取代的苯并咪唑，苯并噻唑和苯并恶唑，具有良好的收率，并且具有宽的底物范围。

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《Chemistry: A European journal》 |2016年第15期|共5页
作者
Lai Yin-Long; Ye Jian-Shan; Huang Jing-Mei;
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正文语种 eng
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alcohols; benzazoles; cobalt; electrochemistry; o-substituted anilines;

机译：醇;苯并唑;钴;电化学;邻取代苯胺;

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1. Electrochemical Synthesis of Benzazoles from Alcohols and o-Substituted Anilines with a Catalytic Amount of Co-II Salt [J] . Lai Yin-Long, Ye Jian-Shan, Huang Jing-Mei Chemistry: A European journal . 2016,第15期

机译：催化量的Co-II盐由醇和邻位取代苯胺电化学合成苯并唑
2. Catalytic role of ruthenium(III) complexes bearing cystamine-based disulfide ligands on the N-alkylation of o-substituted anilines [J] . Prakash Govindan, Ramachandran Rangasamy, Nirmala Muthukumaran, Monatshefte fur Chemie . 2014,第12期

机译：带有半胱胺基二硫配体的钌（III）配合物对邻位取代苯胺的N-烷基化的催化作用
3. Arylhydrazones of barbituric acid: synthesis, coordination ability and catalytic activity of their Co-II, Co-II/III and Cu-II complexes toward peroxidative oxidation of alkanes [J] . Palmucci Jessica, Mahmudov Kamran T., Fatima M., RSC Advances . 2015,第102期

机译：巴比妥酸的芳基:：其Co-II，Co-II / III和Cu-II配合物的合成，配位能力和催化活性对烷烃的过氧化氧化作用
4. Synthesis and heme polymerization inhibitory assay of a new arylamino alcohol derivative compound from methyl eugenol and aniline [C] . Tatang Shabur Julianto, Jumina Jumina, Hardjono Sastrohamidjojo, International Conference on Chemistry, Chemical Process and Engineering . 2018

机译：来自甲醛和苯胺的新芳基氨基醇衍生物的合成和血红素聚合抑制测定
5. Catalytic Asymmetric Alkyne Addition to Aldehydes and Applications of Propargylic Alcohols in Synthesis [D] . Turlington, Mark Leon 2011

机译：醛的催化不对称炔烃加成反应及炔丙醇在合成中的应用
6. Palladium-catalyzed synthesis of N-arylated carbazoles using anilines and cyclic diaryliodonium salts [O] . Stefan Riedmüller, Boris J Nachtsheim 2013

机译：苯胺和环状二芳基碘鎓盐的钯催化合成N-芳基咔唑
7. Heterogeneous catalytic synthesis of quinoline compounds from aniline and C1–C4 alcohols over zeolite-based catalysts [O] . Chen Huang, An Li, Zi-Sheng Chao 2017

机译：异质催化合成来自苯胺和C1-C4醇的喹啉化合物在沸石基催化剂上

Electrochemical Synthesis of Benzazoles from Alcohols and o-Substituted Anilines with a Catalytic Amount of Co-II Salt

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