Journal
RUSSIAN JOURNAL OF ORGANIC CHEMISTRY
Volume 55, Issue 9, Pages 1310-1321Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1070428019090082
Keywords
azides; alkynes; 1; 3-dipolar cycloaddition; click reactions; catalysis; 1; 2; 3-triazole derivatives
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Some peculiar features of two most commonly used catalytic systems (Cul and CuSOVsodium ascorbate) controlling the regioselectivity of 1,3-dipolar cycloaddition of azides to terminal alkynes have been studied. Their potentialities, main disadvantages, and limitations have been demonstrated by a number of examples, including reactions of low-molecular-weight azides and alkynes containing heterocyclic substituents. The possibility of using novel reagents in click reactions is discussed.
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