Technology Process of (1S,2S)-3-[2,4-bis(benzyloxy)-6-(tert-butyldimethylsilyloxy)phenyl]-1-[3,4,5-tris(benzyloxy)phenyl]propane-1,2-diol
There total 5 articles about (1S,2S)-3-[2,4-bis(benzyloxy)-6-(tert-butyldimethylsilyloxy)phenyl]-1-[3,4,5-tris(benzyloxy)phenyl]propane-1,2-diol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
methanesulfonamide; AD-mix-α;
In
chloroform; water; tert-butyl alcohol;
at 20 ℃;
for 16h;
enantioselective reaction;
DOI:10.1055/s-0028-1083361
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 95 percent / DIBAL / tetrahydrofuran; toluene / 2 h / -78 - 20 °C
2: 463 mg / H2SO4*SiO2 / CS2; CH2Cl2 / 3 h / 20 °C
3: 428 mg / imidazole / dimethylformamide / 20 °C
4: AD-mix-α; CH3SO2NH2; H2O / 2-methyl-propan-2-ol; CH2Cl2 / 0 °C
With
1H-imidazole; AD-mix-α; methanesulfonamide; sulfuric acid; water; diisobutylaluminium hydride;
In
tetrahydrofuran; carbon disulfide; dichloromethane; N,N-dimethyl-formamide; toluene; tert-butyl alcohol;
4: Sharpless asymmetric dihydroxylation;
DOI:10.1021/ol000394z
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: 89 percent / LAH / tetrahydrofuran / 2 h / 20 °C
2.1: PDC / CH2Cl2 / 20 °C
2.2: 91 percent / NaH / tetrahydrofuran / 2 h / 20 °C
3.1: 95 percent / DIBAL / tetrahydrofuran; toluene / 2 h / -78 - 20 °C
4.1: 463 mg / H2SO4*SiO2 / CS2; CH2Cl2 / 3 h / 20 °C
5.1: 428 mg / imidazole / dimethylformamide / 20 °C
6.1: AD-mix-α; CH3SO2NH2; H2O / 2-methyl-propan-2-ol; CH2Cl2 / 0 °C
With
1H-imidazole; AD-mix-α; lithium aluminium tetrahydride; dipyridinium dichromate; methanesulfonamide; sulfuric acid; water; diisobutylaluminium hydride;
In
tetrahydrofuran; carbon disulfide; dichloromethane; N,N-dimethyl-formamide; toluene; tert-butyl alcohol;
6.1: Sharpless asymmetric dihydroxylation;
DOI:10.1021/ol000394z