Journal
CURRENT ORGANIC SYNTHESIS
Volume 12, Issue 6, Pages 822-829Publisher
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/157017941206150828114009
Keywords
Catalysis; copper; green chemistry; heterocycles; multicomponent; pyrazoles; sulfur
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Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [303415/2014-2, 306430/2013-4]
- Fundacao de Amparo a Pesquisa do Estado do Rio Grande do Sul (FAPERGS)
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We describe here a simple protocol for the synthesis of 4-(arylsulfenyl)-1H-pyrazoles by copper-catalyzed cyclocondensation and direct C-H bond sulfenylation reactions. The products were obtained in good yields by the reaction of a range of 1,3-diketones, arylhydrazines and arylthiols, using catalytic amount of CuI. This One-Pot Multicomponent protocol is an efficient method to synthesize new compounds with potential application in biological studies and material sciences.
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