Technology Process of trans-1-ethyl-4-propoxycyclohexyl isocyanate
There total 5 articles about trans-1-ethyl-4-propoxycyclohexyl isocyanate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 1H-imidazole / N,N-dimethyl-formamide / 20 °C
2: triethylsilane; bismuth(III) bromide / acetonitrile / 0.5 h / 0 - 20 °C
3: sodium hydroxide; water / tetrahydrofuran; methanol / 50 °C
4: diphenyl phosphoryl azide; triethylamine / toluene / 0.5 h / 100 °C
With
1H-imidazole; triethylsilane; sodium hydroxide; diphenyl phosphoryl azide; water; bismuth(III) bromide; triethylamine;
In
tetrahydrofuran; methanol; N,N-dimethyl-formamide; toluene; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: di-isopropyl azodicarboxylate; triphenylphosphine / tetrahydrofuran / 76 h / 0 - 20 °C
2: potassium carbonate / methanol / 1 h / 20 °C
3: 1H-imidazole / N,N-dimethyl-formamide / 20 °C
4: triethylsilane; bismuth(III) bromide / acetonitrile / 0.5 h / 0 - 20 °C
5: sodium hydroxide; water / tetrahydrofuran; methanol / 50 °C
6: diphenyl phosphoryl azide; triethylamine / toluene / 0.5 h / 100 °C
With
1H-imidazole; triethylsilane; sodium hydroxide; di-isopropyl azodicarboxylate; diphenyl phosphoryl azide; water; bismuth(III) bromide; potassium carbonate; triethylamine; triphenylphosphine;
In
tetrahydrofuran; methanol; N,N-dimethyl-formamide; toluene; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: potassium carbonate / methanol / 1 h / 20 °C
2: 1H-imidazole / N,N-dimethyl-formamide / 20 °C
3: triethylsilane; bismuth(III) bromide / acetonitrile / 0.5 h / 0 - 20 °C
4: sodium hydroxide; water / tetrahydrofuran; methanol / 50 °C
5: diphenyl phosphoryl azide; triethylamine / toluene / 0.5 h / 100 °C
With
1H-imidazole; triethylsilane; sodium hydroxide; diphenyl phosphoryl azide; water; bismuth(III) bromide; potassium carbonate; triethylamine;
In
tetrahydrofuran; methanol; N,N-dimethyl-formamide; toluene; acetonitrile;