Base-controlled chemoselectivity reaction of vinylanilines with isothiocyanates for synthesis of quinolino-2-thione and 2-aminoquinoline derivatives
2018
ZhangThese authors contributed equally to this work., Xi | Wang, Tong-Lin | Huo, Cong-De | Wang, Xi-Cun | Quan, Zheng-Jun
Here, we report a base-controlled chemo-selective reaction of vinylanilines with alkyl/aryl isothiocyanates to afford quinolino-2-thione and 2-aminoquinoline derivatives. The quinolino-2-thiones could be obtained in high yields in the presence of Et₃N. Particularly interesting is that the reaction could produce the 2-aminoquinolines in the presence of K₃PO₄ with high selectivity.
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