With DMSO both as the source of -SMe unit and solvent, an efficient and green electrochemical methylthiolation reaction of imidazo[2,1-b]thiazoles was developed. The transformation was performed at room temperature in 8 h under external transition metal- and oxidant-free condition. Moreover, the 2,3-dihydroimidazo[2,1-b]thiazoles and 2-phenylbenzo[d]imidazo[2,1-b]thiazole also proceeded smoothly. This strategy provides C-5 methylthiolation products with broad scope in 73-91% yields.
机构:
Fac Pharm Marseille, CNRS UMR 6517, Chim Organ Lab, F-13385 Marseille 5, FranceFac Pharm Marseille, CNRS UMR 6517, Chim Organ Lab, F-13385 Marseille 5, France
Gellis, A
Njoya, Y
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Fac Pharm Marseille, CNRS UMR 6517, Chim Organ Lab, F-13385 Marseille 5, FranceFac Pharm Marseille, CNRS UMR 6517, Chim Organ Lab, F-13385 Marseille 5, France
Njoya, Y
Crozet, RP
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Fac Pharm Marseille, CNRS UMR 6517, Chim Organ Lab, F-13385 Marseille 5, FranceFac Pharm Marseille, CNRS UMR 6517, Chim Organ Lab, F-13385 Marseille 5, France
Crozet, RP
Vanelle, P
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Fac Pharm Marseille, CNRS UMR 6517, Chim Organ Lab, F-13385 Marseille 5, FranceFac Pharm Marseille, CNRS UMR 6517, Chim Organ Lab, F-13385 Marseille 5, France