Technology Process of C21H19ClN4O4S
There total 9 articles about C21H19ClN4O4S which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
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Multi-step reaction with 6 steps
1: sodium azide; sulfuric acid / chloroform / 15 h / -20 - 50 °C / Inert atmosphere
2: pyridine / dichloromethane; toluene / 3 h / 15 - 30 °C / Inert atmosphere
3: water; sodium hydroxide / tetrahydrofuran / 3 h / 25 - 30 °C
4: N,N-dimethyl-formamide; oxalyl dichloride / dichloromethane / 3 h / 10 - 30 °C / Inert atmosphere
5: tetrahydrofuran / 2 h / 10 - 30 °C / Inert atmosphere
6: sulfuric acid / 0 - 5 °C
With
pyridine; sodium azide; oxalyl dichloride; sulfuric acid; water; N,N-dimethyl-formamide; sodium hydroxide;
In
tetrahydrofuran; dichloromethane; chloroform; toluene;
DOI:10.1016/j.ejmech.2012.10.005
- Guidance literature:
-
Multi-step reaction with 4 steps
1: pyridine; trichlorophosphate / acetonitrile / 1 h / 0 - 30 °C / Inert atmosphere
2: tin(II) chloride dihdyrate / ethyl acetate / 2 h / 25 - 30 °C
3: tetrahydrofuran / 2 h / 10 - 30 °C / Inert atmosphere
4: sulfuric acid / 0 - 5 °C
With
pyridine; tin(II) chloride dihdyrate; sulfuric acid; trichlorophosphate;
In
tetrahydrofuran; ethyl acetate; acetonitrile;
DOI:10.1016/j.ejmech.2012.10.005