Abstract:
Copper catalyzed [2 + 3] cycloaddition of 3-propargyl- γ-butyrolactones with azides affords the corresponding 1,2,3-triazoles connected with lactone moiety in high yields. In the presence of air and copper(i) halides, the starting propargylated lactones are prone to dimerize to form bis-lactone diynes.
Citation:
T. V. Ghochikyan, M. A. Samvelyan, A. S. Galstyan, V. M. Muzalevskiy, V. G. Nenajdenko, “Copper catalyzed alkyne–azide cycloaddition with 3-propargyl- γ-butyrolactones”, Mendeleev Commun., 27:6 (2017), 562–564
Linking options:
https://www.mathnet.ru/eng/mendc2059
https://www.mathnet.ru/eng/mendc/v27/i6/p562
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