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Ru(ii)-Catalyzed annulation of benzamidines and alkynes by C-H/N-H activation: a facile synthesis of 1-aminoisoquinolines. 2017

P P Kaishap, and G Duarah, and D Chetia, and S Gogoi
Applied Organic Chemistry, Chemical Sciences & Technology Division, CSIR-North East Institute of Science and Technology, AcSIR, Jorhat-785006, India. skgogoi1@gmail.com.

An inexpensive Ru(ii) complex catalyzes the oxidative annulation reaction of disubstituted alkynes with benzamidines to provide highly valuable 1-aminoisoquinolines in high yields. The reaction also features excellent regioselectivity with some unsymmetrical alkynes.

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