Technology Process of 4-[(1S)-2-amino-1-hydroxyethyl]-2-methoxyphenol
There total 6 articles about 4-[(1S)-2-amino-1-hydroxyethyl]-2-methoxyphenol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
(S)-2-azido-1-(4-(tert-butyldimethylsilyloxy)-3-methoxyphenyl)ethanol;
In
tetrahydrofuran;
at 25 ℃;
Inert atmosphere;
With
hydrogen fluoride; water;
In
acetonitrile;
at 25 ℃;
for 2h;
Inert atmosphere;
DOI:10.1002/chir.22108
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: potassium tert-butylate / tetrahydrofuran / 0.17 h / Inert atmosphere
1.2: 12 h / -78 - 25 °C / Inert atmosphere
2.1: AD-mix-β / tert-butyl alcohol; water / 2.17 h / 0 - 25 °C / Inert atmosphere
3.1: pyridine / dichloromethane / 8 h / 25 °C / Inert atmosphere
4.1: sodium azide / N,N-dimethyl-formamide / 72 h / 50 °C / Inert atmosphere
5.1: polymer-bound triphenylphosphine / tetrahydrofuran / 25 °C / Inert atmosphere
5.2: 2 h / 25 °C / Inert atmosphere
With
pyridine; sodium azide; AD-mix-β; potassium tert-butylate;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; tert-butyl alcohol;
1.1: |Wittig Olefination / 1.2: |Wittig Olefination / 2.1: |Sharpless Dihydroxylation / 5.1: |Staudinger Azide Reduction;
DOI:10.1002/chir.22108
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: 1H-imidazole / N,N-dimethyl-formamide / 12 h / 0 - 25 °C / Inert atmosphere
2.1: potassium tert-butylate / tetrahydrofuran / 0.17 h / Inert atmosphere
2.2: 12 h / -78 - 25 °C / Inert atmosphere
3.1: AD-mix-β / tert-butyl alcohol; water / 2.17 h / 0 - 25 °C / Inert atmosphere
4.1: pyridine / dichloromethane / 8 h / 25 °C / Inert atmosphere
5.1: sodium azide / N,N-dimethyl-formamide / 72 h / 50 °C / Inert atmosphere
6.1: polymer-bound triphenylphosphine / tetrahydrofuran / 25 °C / Inert atmosphere
6.2: 2 h / 25 °C / Inert atmosphere
With
pyridine; 1H-imidazole; sodium azide; AD-mix-β; potassium tert-butylate;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide; tert-butyl alcohol;
2.1: |Wittig Olefination / 2.2: |Wittig Olefination / 3.1: |Sharpless Dihydroxylation / 6.1: |Staudinger Azide Reduction;
DOI:10.1002/chir.22108