Palladium-Catalyzed Direct Ortho C閳ユ彊 bond construction of Azobenzenes with Iodobenzene diacetate via C閳ユ弻 Activation

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作者: Fu, Xiaopan Wei, Zhenjiang Xia, Chengcai Shen, Chao Xu, Jun Yang, Yong Wang, Kai Zhang, Pengfei

作者单位: Pharmacy College, Taishan Medical University, Tai閳ユ獌n 1 310036, China 310015, China 271016, China 【作者单位】 College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou

摘要: A method of direct synthesis of ortho-acyloxylated azoarenes via palladium-catalyzed C閳ユ弻 bond activation was developed. The reaction proceeded was smoothly at room temprature and have better yield in shorter times. The obtained ortho-acyloxylated azoarenes could be efficiently converted into 2-hydroxyazobenzenes in good yields through a hydrolysis process. Graphical Abstract: Many various ortho-acyloxylated azoarenes were obtained in moderate to high yields by palladium-catalyzed direct C-H acy...更多; A method of direct synthesis of ortho-acyloxylated azoarenes via palladium-catalyzed C閳ユ弻 bond activation was developed. The reaction proceeded was smoothly at room temprature and have better yield in shorter times. The obtained ortho-acyloxylated azoarenes could be efficiently converted into 2-hydroxyazobenzenes in good yields through a hydrolysis process. Graphical Abstract: Many various ortho-acyloxylated azoarenes were obtained in moderate to high yields by palladium-catalyzed direct C-H acyloxylation of aromatic azo compounds with PhI2[Figure not available: see fulltext.]收起

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