Regioselective One-Step Synthesis of Pyrazoles from Alkynes and N-Tosylhydrazones: [3+2] Dipolar Cycloaddition/[1,5] Sigmatropic Rearrangement Cascade
Autor: | M. Carmen Pérez-Aguilar, Carlos Valdés |
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Rok vydání: | 2013 |
Předmět: |
chemistry.chemical_classification
General method Cycloaddition Reaction Chemistry Stereochemistry Hydrazones Hydrazone Regioselectivity Alkyne Stereoisomerism One-Step General Medicine General Chemistry Sigmatropic reaction Combinatorial chemistry Catalysis Cycloaddition Cascade Alkynes Pyrazoles Copper |
Zdroj: | Angewandte Chemie International Edition. 52:7219-7223 |
ISSN: | 1433-7851 |
DOI: | 10.1002/anie.201301284 |
Popis: | A novel, simple, and general method for the synthesis of 3,4,5- and 1,3,5-pyrazoles is very straightforward and applies readily available starting materials. |
Databáze: | OpenAIRE |
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