Ruizhi Guo, Jiachen Huang, Haiyan Huang
Jan 22, 2016
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74
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Organic letters
Abstract
A new and efficient approach for the synthesis of oxygen and nitrogen heterocycles by organoselenium catalysis has been developed. The exo-cyclization proceeded smoothly under mild conditions with good functional group tolerance and excellent regioselectivity. Mechanistic studies revealed that 1-fluoropyridinium triflate is key for oxidative cyclization.