Technology Process of 2L-(2,3,5/4,6)-4,5,6-Tri-O-acetyl-1-C-methylenpentahydroxycyclohexane
There total 8 articles about 2L-(2,3,5/4,6)-4,5,6-Tri-O-acetyl-1-C-methylenpentahydroxycyclohexane which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
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Multi-step reaction with 6 steps
1: 81 percent / pyridine / 20 h / 60 °C
2: 94 percent / hydrogen / 10 percent palladium-carbon / dioxane; acetic acid / 0.33 h / Ambient temperature
3: sodium methoxide / methanol / 0.25 h / 0 °C
4: pyridine
5: 61 percent / 3-methyl-2-selenoxobenzothiazole, trifluoroacetic acid / CH2Cl2 / 20 h / Ambient temperature
6: 97 percent / acetic acid / tetrahydrofuran; H2O / 7 h / 70 °C
With
pyridine; N-methyl-1,3-benzothiazole-2(3H)-selone; hydrogen; sodium methylate; acetic acid; trifluoroacetic acid;
palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; acetic acid;
DOI:10.1016/S0008-6215(00)88052-0
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 1.) p-toluene-sulphonic acid; 2.) triethylamine / 1.) THF, 4 h, 70 deg C
2: sodium methoxide / methanol / 20 h / Ambient temperature
3: 81 percent / pyridine / 20 h / 60 °C
4: 94 percent / hydrogen / 10 percent palladium-carbon / dioxane; acetic acid / 0.33 h / Ambient temperature
5: sodium methoxide / methanol / 0.25 h / 0 °C
6: pyridine
7: 61 percent / 3-methyl-2-selenoxobenzothiazole, trifluoroacetic acid / CH2Cl2 / 20 h / Ambient temperature
8: 97 percent / acetic acid / tetrahydrofuran; H2O / 7 h / 70 °C
With
pyridine; N-methyl-1,3-benzothiazole-2(3H)-selone; hydrogen; sodium methylate; toluene-4-sulfonic acid; acetic acid; triethylamine; trifluoroacetic acid;
palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; acetic acid;
DOI:10.1016/S0008-6215(00)88052-0