Modular synthesis of polyfunctionalized axial-chiral 2-arylpyridines via cobalt-catalyzed asymmetric [2 + 2 + 2] cycloaddition of diynes and nitriles
aDepartment of Medicinal Chemistry, School of Pharmacy, Xi’an Jiaotong University, Xi’an 710061, China
bDepartment of Chongqing Key Laboratory of Environmental Materials and Remediation Technologies College of Chemistry and Environmental Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China
cDepartment of Chemistry National University of Singapore, Singapore 117543, Singapore
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