Synthesis of new pseudo‐C‐nucleosides containing pyrazole rings in their structure

Rauter, A. P.; Figueiredo, J.A.; Ismael, M.I.; Justino, Jorge

http://hdl.handle.net/10400.15/4547

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Resumo(s)

Synthetic approaches to new 4-(furanos-4-C-yl)-1H-pyrazole and 3-(furanos-4-C-yl)-1H-pyrazole derivatives are described, including its pyrazole-5-carboxylate derivative, which is a pyrazofurin analogue. Preparation of related 5-acetoxy-1-acetyl-1H-pyrazole, 5-acetoxy-1H-pyrazole-1-carboxylate, and 4,5-dihydro-1-phenyl-1H-pyrazol-5-one derivatives is also reported. The formation of the pyrazole rings was accomplished either by reaction of enones and of 1,3-diketones with N-nucleophiles or by ring closure of a diazoketone.

Palavras-chave

pyrazoles pseudo-C-nucleosides 1,3-diketones hydrazones

URI

http://hdl.handle.net/10400.15/4547

Citação

Rauter, A.P.; Figueiredo, J.A.; Ismael, M.I. & Justino, J. (2004). Synthesis of new pseudo‐C‐nucleosides containing pyrazole rings in their structure. Journal of Carbohydrate Chemistry, 23(8-9), 513-528. DOI:10.1081/CAR-200044574

Editora

Marcel Dekker

DOI

10.1081/CAR-200044574

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Artigos em revistas internacionais_ESAS

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