Technology Process of (2R,3S,4R)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-5-oxo-4-(3-oxo-butyl)-3-trimethylsilanyloxy-tetrahydro-furan-3-carboxylic acid methyl ester
There total 14 articles about (2R,3S,4R)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-4-hydroxy-5-oxo-4-(3-oxo-butyl)-3-trimethylsilanyloxy-tetrahydro-furan-3-carboxylic acid methyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 10 steps
1.1: 62 percent / pyridinium p-toluenesulfonate / CH2Cl2 / 72 h
2.1: BH3*SMe2 / tetrahydrofuran / 2 h / 20 °C
2.2: NaBH4 / tetrahydrofuran / 2 h / 0 - 20 °C
3.1: 1.30 g / imidazole / CH2Cl2 / 1 h / 0 °C
4.1: 96 percent / dicyclohexylcarbodiimide; 4-(N,N-dimethylamino)pyridine / CH2Cl2 / 5 h / 20 °C
5.1: 95 percent / Me2AlCl / CH2Cl2; various solvent(s) / 4 h / -25 - 20 °C
6.1: 98 percent / Dess-Martin periodinane / CH2Cl2 / 0.25 h / 20 °C
7.1: 89 percent / H2 / Pd/C / ethyl acetate / 15 h / 20 °C
8.1: 98 mg / tetrahydrofuran; various solvent(s) / 1 h / -78 °C
9.1: aluminum amalgam; H2O; 2percent HgCl2 / tetrahydrofuran / 3 h
With
1H-imidazole; dmap; aluminium amalgam; dimethylsulfide borane complex; water; hydrogen; dimethylaluminum chloride; pyridinium p-toluenesulfonate; Dess-Martin periodane; dicyclohexyl-carbodiimide;
palladium on activated charcoal;
In
tetrahydrofuran; dichloromethane; ethyl acetate;
6.1: Dess-Martin oxidation;
DOI:10.1021/jo011157s
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 1.30 g / imidazole / CH2Cl2 / 1 h / 0 °C
2: 96 percent / dicyclohexylcarbodiimide; 4-(N,N-dimethylamino)pyridine / CH2Cl2 / 5 h / 20 °C
3: 95 percent / Me2AlCl / CH2Cl2; various solvent(s) / 4 h / -25 - 20 °C
4: 98 percent / Dess-Martin periodinane / CH2Cl2 / 0.25 h / 20 °C
5: 89 percent / H2 / Pd/C / ethyl acetate / 15 h / 20 °C
6: 98 mg / tetrahydrofuran; various solvent(s) / 1 h / -78 °C
7: aluminum amalgam; H2O; 2percent HgCl2 / tetrahydrofuran / 3 h
With
1H-imidazole; dmap; aluminium amalgam; water; hydrogen; dimethylaluminum chloride; Dess-Martin periodane; dicyclohexyl-carbodiimide;
palladium on activated charcoal;
In
tetrahydrofuran; dichloromethane; ethyl acetate;
4: Dess-Martin oxidation;
DOI:10.1021/jo011157s
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: BH3*SMe2 / tetrahydrofuran / 2 h / 20 °C
1.2: NaBH4 / tetrahydrofuran / 2 h / 0 - 20 °C
2.1: 1.30 g / imidazole / CH2Cl2 / 1 h / 0 °C
3.1: 96 percent / dicyclohexylcarbodiimide; 4-(N,N-dimethylamino)pyridine / CH2Cl2 / 5 h / 20 °C
4.1: 95 percent / Me2AlCl / CH2Cl2; various solvent(s) / 4 h / -25 - 20 °C
5.1: 98 percent / Dess-Martin periodinane / CH2Cl2 / 0.25 h / 20 °C
6.1: 89 percent / H2 / Pd/C / ethyl acetate / 15 h / 20 °C
7.1: 98 mg / tetrahydrofuran; various solvent(s) / 1 h / -78 °C
8.1: aluminum amalgam; H2O; 2percent HgCl2 / tetrahydrofuran / 3 h
With
1H-imidazole; dmap; aluminium amalgam; dimethylsulfide borane complex; water; hydrogen; dimethylaluminum chloride; Dess-Martin periodane; dicyclohexyl-carbodiimide;
palladium on activated charcoal;
In
tetrahydrofuran; dichloromethane; ethyl acetate;
5.1: Dess-Martin oxidation;
DOI:10.1021/jo011157s