Tetrahedron Letters p. 949 - 953 (2018)
Update date:2022-08-11
Topics:
Zhou, Weiyou
Chen, Dongwei
Sun, Fu'an
Qian, Junfeng
He, Mingyang
Chen, Qun
An efficient catalytic procedure has been developed for the aerobic oxidative dehydrogenation of N-heterocycles by cobalt porphyrin in the absence of any additives. The catalytic system could tolerate various 1,2,3,4-tetrahydroquinoline derivatives and some other N-heterocycles. The corresponding N-heteroaromatics could be obtained in 59–86% yields. The mechanism investigation suggested that the aerobic oxidative dehydrogenation might proceed with imine intermediate through radical paths.
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