Ultrasound irradiation promoted catalyst-free construction of formamidine framework using isocyanide as building blocks |
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Authors: | Tong-Hao ZhuXu Zhu Xiao-Ping Xu |
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Institution: | Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China |
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Abstract: | Reactions of isocyanides with 2-mercaptobenzothiazole and 2-mercaptobenzoxazole afforded a series of compounds containing formamidine framework in moderate to high yields. These organic transformations were performed under mild and catalyst-free conditions. In addition to promoting the reactions, the use of ultrasound irradiation also allowed the process to be carried out under air atmosphere. A possible reaction mechanism was proposed based on the experimental results. |
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Keywords: | Isocyanide Formamidine Catalyst-free Ultrasound irradiation |
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