Technology Process of 3-hydroxy-2-(hydroxymethyl)-2-methylpropyl (2S,3R)-3-(1-benzyl-1H-1,2,3-triazol-4-yl)-2-(((benzyloxy)carbonyl)amino)-3-hydroxybutanoate
There total 9 articles about 3-hydroxy-2-(hydroxymethyl)-2-methylpropyl (2S,3R)-3-(1-benzyl-1H-1,2,3-triazol-4-yl)-2-(((benzyloxy)carbonyl)amino)-3-hydroxybutanoate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
water; copper(II) sulfate; sodium L-ascorbate;
In
tert-butyl alcohol;
at 20 ℃;
for 24h;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: triethylamine; tetra-(n-butyl)ammonium iodide / N,N-dimethyl-formamide / 36 h / 70 °C / Inert atmosphere
2.1: boron trifluoride diethyl etherate / dichloromethane / 5 h / 0 - 20 °C / Inert atmosphere
2.2: 0.5 h
3.1: dichloromethane / -78 °C / Inert atmosphere
3.2: 2.08 h / -78 °C / Inert atmosphere
3.3: 0.67 h / -78 - 0 °C
4.1: isopropylmagnesium bromide / 2-methyltetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
4.2: 2 h / 20 °C
5.1: dichloromethane / -78 °C / Inert atmosphere
5.2: 2.58 h / -78 °C / Inert atmosphere
5.3: 0.67 h / -78 - 0 °C
6.1: tetrahydrofuran / 0.03 h / -78 °C / Inert atmosphere
6.2: 0.25 h / pH 7
7.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.08 h / 0 °C / Inert atmosphere
8.1: water; sodium L-ascorbate; copper(II) sulfate / tert-butyl alcohol / 24 h / 20 °C / Inert atmosphere
With
boron trifluoride diethyl etherate; tetrabutyl ammonium fluoride; water; isopropylmagnesium bromide; tetra-(n-butyl)ammonium iodide; copper(II) sulfate; sodium L-ascorbate; triethylamine;
In
tetrahydrofuran; 2-methyltetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; tert-butyl alcohol;
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: pyridine / 1.75 h / 0 - 20 °C / Inert atmosphere
2.1: triethylamine; tetra-(n-butyl)ammonium iodide / N,N-dimethyl-formamide / 36 h / 70 °C / Inert atmosphere
3.1: boron trifluoride diethyl etherate / dichloromethane / 5 h / 0 - 20 °C / Inert atmosphere
3.2: 0.5 h
4.1: dichloromethane / -78 °C / Inert atmosphere
4.2: 2.08 h / -78 °C / Inert atmosphere
4.3: 0.67 h / -78 - 0 °C
5.1: isopropylmagnesium bromide / 2-methyltetrahydrofuran / 2 h / 0 - 20 °C / Inert atmosphere
5.2: 2 h / 20 °C
6.1: dichloromethane / -78 °C / Inert atmosphere
6.2: 2.58 h / -78 °C / Inert atmosphere
6.3: 0.67 h / -78 - 0 °C
7.1: tetrahydrofuran / 0.03 h / -78 °C / Inert atmosphere
7.2: 0.25 h / pH 7
8.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.08 h / 0 °C / Inert atmosphere
9.1: water; sodium L-ascorbate; copper(II) sulfate / tert-butyl alcohol / 24 h / 20 °C / Inert atmosphere
With
pyridine; boron trifluoride diethyl etherate; tetrabutyl ammonium fluoride; water; isopropylmagnesium bromide; tetra-(n-butyl)ammonium iodide; copper(II) sulfate; sodium L-ascorbate; triethylamine;
In
tetrahydrofuran; 2-methyltetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; tert-butyl alcohol;