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Direct 2,3-O-Isopropylidenation of α-d-Mannopyranosides and the Preparation of 3,6-Branched Mannose Trisaccharides
A highly efficient, regioselective method for the direct 2,3-O-isopropylidenation of α-d-mannopyranosides is reported. Treatment of various α-d-mannopyranosides with 0.12 equiv of the TsOH·H(2)O and 2-methoxypropene at 70 °C gave 2,3-O-isopropylidene-α-d-mannopyranosides directly in 80%~90% yields....
| Autores principales: | , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
MDPI
2014
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6270901/ https://www.ncbi.nlm.nih.gov/pubmed/24858100 http://dx.doi.org/10.3390/molecules19056683 |