Stereoselective Synthesis of 2,3-Unsaturated Pseudoglycosides Promoted by Ultrasound

Stereoselective Synthesis of 2,3-Unsaturated Pseudoglycosides Promoted by Ultrasound

Abstract The ultrasound-promoted glycosidation of several alcohols using 3,4,6-tri- O -acetyl- d -glucal as the glycosyl donor is described. The products were obtained in a short reaction time at room temperature in good yield and α-selectivity in an open flask, thus avoiding the preparation and man...

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Veröffentlicht in:Synthesis (Stuttgart) 2016-04, Vol.48 (7), p.1069-1078
Hauptverfasser: Regueira, Juliana L. L. F., Dantas, Claudio R., de Freitas, Jucleiton J. R., da Silva, Anderson J. F. Santos, Freitas Filho, João R., Menezes, Paulo H., Freitas, Juliano C. R.
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Sprache:eng
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Zusammenfassung:Abstract The ultrasound-promoted glycosidation of several alcohols using 3,4,6-tri- O -acetyl- d -glucal as the glycosyl donor is described. The products were obtained in a short reaction time at room temperature in good yield and α-selectivity in an open flask, thus avoiding the preparation and manipulation of unstable or sensitive catalysts.
ISSN:0039-7881
1437-210X
DOI:10.1055/s-0035-1561344