Santana Chakraborty, Arijit Singha Mohapatra and Nanda D. Paul*,
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Hydrogen-Bond-Assisted Ru(III)-Catalyzed C–C Bond Activation in 1,3-Dicarbonyls: A Direct Route to Multi-Substituted Pyrroles
Unprecedented CO–Cα bond cleavage of 1,3-dicarbonyls and enaminone, catalyzed by a well-defined Ru(III)-complex (1) featuring a redox-active triamine ligand (L1) with a free –NH2 arm, opening a new route to accessing substituted pyrroles with broad substrate scope and functional group tolerance in good isolated yields via multicomponent coupling of 1,3-dicarbonyls, amines, and diol, is reported. The hydrogen bonding interaction offered by 1 facilitates the formation of critical reaction intermediates, favoring the formation of pyrroles.
期刊介绍:
Journal of Organic Chemistry welcomes original contributions of fundamental research in all branches of the theory and practice of organic chemistry. In selecting manuscripts for publication, the editors place emphasis on the quality and novelty of the work, as well as the breadth of interest to the organic chemistry community.