Technology Process of (2S,3S,4R,5S,6S)-6-Azidomethyl-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carboxylic acid
There total 6 articles about (2S,3S,4R,5S,6S)-6-Azidomethyl-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-carboxylic acid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
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Multi-step reaction with 7 steps
1.1: trimethylsilyl trifluoromethanesulfonate / dichloromethane / 1 h / -40 °C
2.1: sodium methylate / methanol / 20 h / 20 °C
3.1: acetic anhydride; pyridinium chlorochromate / dichloromethane / 48 h / 20 °C
4.1: ozone / dichloromethane / 0.5 h / -78 °C
4.2: NaBH4 / 11; 15 / 20 h / 20 °C
5.1: triethylamine / dichloromethane / 20 h / 20 °C
6.1: sodium azide / N,N-dimethyl-formamide / 20 h / 90 °C
7.1: trifluoroacetic acid / dichloromethane / 20 h / 20 °C
With
sodium azide; trimethylsilyl trifluoromethanesulfonate; sodium methylate; acetic anhydride; ozone; triethylamine; pyridinium chlorochromate; trifluoroacetic acid;
In
methanol; dichloromethane; N,N-dimethyl-formamide;
2.1: Zemplen deacetylation;
DOI:10.1016/j.tetlet.2003.12.032
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: acetic anhydride; pyridinium chlorochromate / dichloromethane / 48 h / 20 °C
2.1: ozone / dichloromethane / 0.5 h / -78 °C
2.2: NaBH4 / 11; 15 / 20 h / 20 °C
3.1: triethylamine / dichloromethane / 20 h / 20 °C
4.1: sodium azide / N,N-dimethyl-formamide / 20 h / 90 °C
5.1: trifluoroacetic acid / dichloromethane / 20 h / 20 °C
With
sodium azide; acetic anhydride; ozone; triethylamine; pyridinium chlorochromate; trifluoroacetic acid;
In
dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.tetlet.2003.12.032