1,10-Phenanthroline-2,9-diamine synthesis
- Product Name:1,10-Phenanthroline-2,9-diamine
- CAS Number:38182-65-9
- Molecular formula:C12H10N4
- Molecular Weight:210.23
29176-55-4
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Yield:38182-65-9 48.6%
Reaction Conditions:
with acetamide;potassium carbonate at 200; for 1 h;
Steps:
2.4 Step 4: 2,9-diamino-1,10-phenanthroline
2,9-dichloro-1,10-phenanthroline (747 mg, 3 mmol), acetamide (4.73 g, 80 mmol), potassium carbonate (3.87 g, 28 mmol), and heated to 200 ° C, stirred for 1 hour, dropped to room temperature, add water (30 mL) to the reaction and extract with dichloromethane. The organic phase was collected, dried over anhydrous sodium sulfate and filtered. The organic phase was removed by concentration under reduced pressure. The residue was subjected to silica gel column chromatography to give 2,9-diamino-1,10-phenanthroline 306 mg (1.46 mmol, 48.6%).
References:
CN109776532,2019,A Location in patent:Paragraph 0026; 0031; 0032
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