Water → 3,6-Dibromobenzene-1,2-diamine
Reaktionsgleichung
[Br:1][C:2]1[C:10]2[C:6](=[N:7]S[N:9]=2)[C:5]([Br:11])=[CH:4][CH:3]=1.[BH4-].[Na+].O>C(O)C>[Br:1][C:2]1[C:10]([NH2:9])=[C:6]([NH2:7])[C:5]([Br:11])=[CH:4][CH:3]=1Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
The specific preparation is described as follows: dissolving 4,7-dibromo-2,1,3-benzothiadiazole in organic solvent such as ethanol, adding appropriate sodium borohydride at 0° C., then raising the temperature to room temperature, stirring for 12-24 hours, distilling organic solvent of reaction product, after adding water, washing with saline water, then extracting with diethyl ether, drying with anhydrous sodium sulfate. 3,6-dibromo-1,2-diaminobenzene is obtained after solvent is rotary dried.
Aufarbeitung
- customThe specific preparation
- distillationdistilling organic
- customsolvent of reaction product
- washwashing with saline water
- extractionextracting with diethyl ether
- dry with materialdrying with anhydrous sodium sulfate
Quellen und Nachweise
- ORD-Eintrag
- ord-869ba25368eb494f825ec82fe352d855
- Quelldatensatz
- uspto-grants-2014_09
- Patentnummer
- US08822634B2
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