Technology Process of (2S,3S)-2,16-Dimethyl-3-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-heptadecanoic acid
There total 4 articles about (2S,3S)-2,16-Dimethyl-3-((2R,3R,4S,5R,6R)-3,4,5-tris-benzyloxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-heptadecanoic acid which
guide to synthetic route it.
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synthetic route:
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660403-82-7
(2S,3S)-3-((2R,3R,4S,5R,6R)-6-Acetoxymethyl-3,4,5-tris-benzyloxy-tetrahydro-pyran-2-yloxy)-2,16-dimethyl-heptadecanoic acid (1S,2R)-2-[benzyl-(2,4,6-trimethyl-benzenesulfonyl)-amino]-1-phenyl-propyl ester
- Guidance literature:
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With
tetra(n-butyl)ammonium hydroxide; dihydrogen peroxide;
In
1,2-dimethoxyethane; water;
for 20h;
DOI:10.1021/jo035079f
- Guidance literature:
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Multi-step reaction with 4 steps
1.1: 86 percent / pyridinium chlorochromate / CH2Cl2 / 2 h
2.1: dicyclohexylboron triflate; triethylamine / CH2Cl2; hexane / 2.33 h / -78 °C
2.2: 78 percent / CH2Cl2; hexane / 3 h / -78 - 20 °C
3.1: acetonitrile / 0.5 h / 20 °C
3.2: 46 percent / trimethylsilyl trifluoromethanesulfonate / acetonitrile / 2 h / -40 °C
4.1: 50 percent / (n-Bu)4NOH; H2O2 / H2O; 1,2-dimethoxy-ethane / 20 h
With
tetra(n-butyl)ammonium hydroxide; dihydrogen peroxide; triethylamine; pyridinium chlorochromate; dicyclohexyl(((trifluoromethyl)sulfonyl)oxy)borane;
In
1,2-dimethoxyethane; hexane; dichloromethane; water; acetonitrile;
DOI:10.1021/jo035079f
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: dicyclohexylboron triflate; triethylamine / CH2Cl2; hexane / 2.33 h / -78 °C
1.2: 78 percent / CH2Cl2; hexane / 3 h / -78 - 20 °C
2.1: acetonitrile / 0.5 h / 20 °C
2.2: 46 percent / trimethylsilyl trifluoromethanesulfonate / acetonitrile / 2 h / -40 °C
3.1: 50 percent / (n-Bu)4NOH; H2O2 / H2O; 1,2-dimethoxy-ethane / 20 h
With
tetra(n-butyl)ammonium hydroxide; dihydrogen peroxide; triethylamine; dicyclohexyl(((trifluoromethyl)sulfonyl)oxy)borane;
In
1,2-dimethoxyethane; hexane; dichloromethane; water; acetonitrile;
DOI:10.1021/jo035079f