ChemicalBook CAS DataBase List 3,3'-Dinitrobenzidine

3,3'-Dinitrobenzidine synthesis

9synthesis methods

Product Name: 3,3'-Dinitrobenzidine
CAS Number:6271-79-0
Molecular formula:C12H10N4O4
Molecular Weight:274.23

N-(4-(4-acetamido-3-nitrophenyl)-2-nitrophenyl)acetamide

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6271-79-0
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Yield:6271-79-0 83.62%

Reaction Conditions:

with potassium hydroxide in ethanol;water for 0.666667 h;

Steps:

7
The 3,3'-dinitro-4, 4'-diaminobiphenyl 5 g, (0.0139 mol) was suspended in 50 ml. Ethanol and 25 ml. of 10% aq. KOH solution was added to the mixture. Then it was boiled for 40 min and on cooling; crystals separated out from the red solution. The crystals were filtered, washed with water and dried. Yield: 3.201 g, (83.62%) ; m. p. 275 °C

References:

COUNCIL OF SCIENTIFIC AND INDUSTRIAL RESEARCH WO2005/92839, 2005, A1 Location in patent:Page/Page column 8

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