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Beilstein J. Org. Chem. 2018, 14, 2789–2798, doi:10.3762/bjoc.14.256
Graphical Abstract
Scheme 1: Synthesis of selanyl-pyrazoles and their derivatives previously described.
Scheme 2: Multicomponent reaction proposed in this work.
Scheme 3: Direct selanylation reaction of 5-amino-pyrazole 5a with diphenyl diselenide (3a) under the optimiz...
Scheme 4: Proposed reaction mechanism.
Scheme 5: Synthesis of diazo pyrazole derivative 6.
Figure 1: Molecular structure of compound 6. The hydrogen atoms are omitted for clarity [27].
Beilstein J. Org. Chem. 2017, 13, 694–702, doi:10.3762/bjoc.13.68
Figure 1: Biologically relevant selanyl-1,2,3-triazoles.
Scheme 1: General scheme of the reaction.
Scheme 2: Comparative study of the conventional conditions and ultrasound irradiation. Conditions A: Reaction...
Scheme 3: Reaction of 2-azidophenyl phenyl selenide 1a with activated ketones 2f–k.