Technology Process of (1R,2S,3S,4R,5S,6S)-2-((2R,3R,4R,5R,6R)-3-Azido-4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-3,4,5,6-tetrakis-benzyloxy-cyclohexanol
There total 10 articles about (1R,2S,3S,4R,5S,6S)-2-((2R,3R,4R,5R,6R)-3-Azido-4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-3,4,5,6-tetrakis-benzyloxy-cyclohexanol which
guide to synthetic route it.
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synthetic route:
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714957-37-6
(1R,2S,3S,4R,5S,6S)-2-((2R,3R,4R,5R,6R)-3-Azido-4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-3,4,5,6-tetrakis-benzyloxy-cyclohexanol
- Guidance literature:
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With
trifluoroacetic acid;
In
dichloromethane;
at 20 ℃;
for 1h;
DOI:10.1016/j.carres.2004.02.026
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714957-37-6
(1R,2S,3S,4R,5S,6S)-2-((2R,3R,4R,5R,6R)-3-Azido-4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-3,4,5,6-tetrakis-benzyloxy-cyclohexanol
- Guidance literature:
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Multi-step reaction with 2 steps
1: 50 percent / 1,1,3,3-tetramethylurea; AgClO4 / Cp2ZrCl2 / toluene; dioxane / 22 h
2: 94 percent / TFA / CH2Cl2 / 1 h / 20 °C
With
silver perchlorate; trifluoroacetic acid; tetramethylurea;
zirconocene dichloride;
In
1,4-dioxane; dichloromethane; toluene;
DOI:10.1016/j.carres.2004.02.026
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-
714957-37-6
(1R,2S,3S,4R,5S,6S)-2-((2R,3R,4R,5R,6R)-3-Azido-4,5-bis-benzyloxy-6-methyl-tetrahydro-pyran-2-yloxy)-3,4,5,6-tetrakis-benzyloxy-cyclohexanol
- Guidance literature:
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Multi-step reaction with 5 steps
1: 1.2 g / NaH / dimethylformamide / 0.5 h / 20 °C
2: 42 percent / HCl / acetic acid; H2O / 48 h / 90 - 100 °C
3: 81 percent / DAST / 1,2-dichloro-ethane / 20 °C
4: 50 percent / 1,1,3,3-tetramethylurea; AgClO4 / Cp2ZrCl2 / toluene; dioxane / 22 h
5: 94 percent / TFA / CH2Cl2 / 1 h / 20 °C
With
hydrogenchloride; silver perchlorate; sodium hydride; 4,4'-diaminostilbene-2,2'-disulfonic acid; trifluoroacetic acid; tetramethylurea;
zirconocene dichloride;
In
1,4-dioxane; dichloromethane; water; acetic acid; 1,2-dichloro-ethane; N,N-dimethyl-formamide; toluene;
DOI:10.1016/j.carres.2004.02.026