Technology Process of 2-Hydroxy-6-[3-((2S,6S)-6-vinyl-tetrahydro-pyran-2-yl)-propyl]-benzoic acid (1R,2S)-1-((S)-2-benzyloxy-3-{(2S,6R)-6-[1-methyl-1-(2-trimethylsilanyl-ethoxycarbonyl)-ethyl]-tetrahydro-pyran-2-yl}-propyl)-2-methyl-but-3-enyl ester
There total 21 articles about 2-Hydroxy-6-[3-((2S,6S)-6-vinyl-tetrahydro-pyran-2-yl)-propyl]-benzoic acid (1R,2S)-1-((S)-2-benzyloxy-3-{(2S,6R)-6-[1-methyl-1-(2-trimethylsilanyl-ethoxycarbonyl)-ethyl]-tetrahydro-pyran-2-yl}-propyl)-2-methyl-but-3-enyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: 90 percent / pyridine / 12 h / 0 °C
2.1: K3PO4 / PdCl2(dppf) / tetrahydrofuran / 24 h / 60 °C
2.2: 70 percent / NaOH; H2O2 / tetrahydrofuran
3.1: 99 percent / hydrogen / Pd/C / methanol / 6 h / 20 °C
4.1: 98 percent / triethylamine; sulfur trioxide; pyridine / dimethylsulfoxide; CH2Cl2 / 5 h / 0 - 20 °C
5.1: n-BuLi / tetrahydrofuran / 1 h / 0 - 20 °C
5.2: 61 percent / tetrahydrofuran / 6.5 h / -78 - 20 °C
6.1: 78 percent / NaHMDS / tetrahydrofuran / 0 - 20 °C
With
pyridine; potassium phosphate; n-butyllithium; sulfur trioxide; hydrogen; sodium hexamethyldisilazane; triethylamine;
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide;
2.1: Suzuki reaction / 5.2: Wittig reaction;
DOI:10.1021/jo0507993
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: 90 percent / DMAP; SOCl2 / 1,2-dimethoxy-ethane / 2 h / Heating
2.1: 90 percent / pyridine / 12 h / 0 °C
3.1: K3PO4 / PdCl2(dppf) / tetrahydrofuran / 24 h / 60 °C
3.2: 70 percent / NaOH; H2O2 / tetrahydrofuran
4.1: 99 percent / hydrogen / Pd/C / methanol / 6 h / 20 °C
5.1: 98 percent / triethylamine; sulfur trioxide; pyridine / dimethylsulfoxide; CH2Cl2 / 5 h / 0 - 20 °C
6.1: n-BuLi / tetrahydrofuran / 1 h / 0 - 20 °C
6.2: 61 percent / tetrahydrofuran / 6.5 h / -78 - 20 °C
7.1: 78 percent / NaHMDS / tetrahydrofuran / 0 - 20 °C
With
pyridine; dmap; potassium phosphate; n-butyllithium; thionyl chloride; sulfur trioxide; hydrogen; sodium hexamethyldisilazane; triethylamine;
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; palladium on activated charcoal;
In
tetrahydrofuran; methanol; 1,2-dimethoxyethane; dichloromethane; dimethyl sulfoxide;
3.1: Suzuki reaction / 6.2: Wittig reaction;
DOI:10.1021/jo0507993
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: K3PO4 / PdCl2(dppf) / tetrahydrofuran / 24 h / 60 °C
1.2: 70 percent / NaOH; H2O2 / tetrahydrofuran
2.1: 99 percent / hydrogen / Pd/C / methanol / 6 h / 20 °C
3.1: 98 percent / triethylamine; sulfur trioxide; pyridine / dimethylsulfoxide; CH2Cl2 / 5 h / 0 - 20 °C
4.1: n-BuLi / tetrahydrofuran / 1 h / 0 - 20 °C
4.2: 61 percent / tetrahydrofuran / 6.5 h / -78 - 20 °C
5.1: 78 percent / NaHMDS / tetrahydrofuran / 0 - 20 °C
With
pyridine; potassium phosphate; n-butyllithium; sulfur trioxide; hydrogen; sodium hexamethyldisilazane; triethylamine;
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; dimethyl sulfoxide;
1.1: Suzuki reaction / 4.2: Wittig reaction;
DOI:10.1021/jo0507993