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1-amino-2-chlorobenzene-5-sulphonic acid
Conditions | Yield |
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With iron(II) sulfate man versetzt darauf mit Aetzbaryt; |
Conditions | Yield |
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In ethanol; water Cl(NH2)C6H3SO3H (10.0 mmol) added to suspn. oa ZnO (5.0 mmol) (H2O) withstirring, then soln. of N2C12H8 (10.0 mmol) (EtOH) added, heated at 80. degree.C for 15 min; filtered, crystd. for several d; elem. anal.; | 73% |
4-Sulfamoyl-benzenediazonium
1-amino-2-chlorobenzene-5-sulphonic acid
1-amino-2-chlorobenzene-5-sulphonic acid
Conditions | Yield |
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Ueberfuehrung in das entsprechende Hydrazin; Behandeln mit Acetessigester und Erwaermen mit Natronlauge; |
1-amino-2-chlorobenzene-5-sulphonic acid
3-amino-4-chloro-benzenesulfonyl chloride
Conditions | Yield |
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With chlorosulphuric acid | |
With chlorosulphuric acid |
Conditions | Yield |
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Diazotization.Reduktion der Diazoverbindung; |
1-amino-2-chlorobenzene-5-sulphonic acid
2-Chloro-5-sulfo-benzenediazonium; chloride
Conditions | Yield |
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With hydrogenchloride; sodium nitrite In water at 0 - 5℃; |