A green method for the synthesis of thiochromene derivatives in ionic liquids |
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| Authors: | Xiang‐Shan Wang Jian‐Rong Wu Jie Zhou Mei‐Mei Zhang |
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| Institution: | School of Chemistry and Chemical Engineering, The Key Laboratory of Biotechnology on Medical Plant, Xuzhou Normal University, Xuzhou, Jiangsu 221116, People's Republic of China |
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| Abstract: | Controlling the pH value by changing the negative ion of ionic liquids, the same reactions of aromatic aldehyde, 2‐(2,3‐dihydrothiochromen‐4‐ylidene) malononitrile and malononitrile product unaromatized and aromatized 6H‐benzoc]thiochromene derivatives in high yields. The nice features of these procedures include mild reactions condition, simple operations, high yields, and environmentally benign. J. Heterocyclic Chem., (2011). |
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