Preparing process of Ru(II) polypyridine complex
A polypyridine and complex technology, which is applied in the field of preparation of ruthenium polypyridine complexes, can solve the problems of weak fluorescence enhancement, limitation and the like
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Embodiment 1
[0024] Embodiment 1: Ruthenium (II) polypyridine complex preparation:
[0025] 1. Add 15g o-phenanthroline and 8.0g sodium bromide successively in a 250mL flask, add 90mL concentrated sulfuric acid and 45mL concentrated nitric acid while stirring, heat (the temperature is controlled at 120°C or 150°C) and reflux for 50min, and cool to 20 or After 25°C, neutralize with 0% sodium hydroxide, extract the filtered filtrate with dichloromethane, heat the extract to 100°C, evaporate to dryness and recrystallize with methanol to obtain 1,10-phenanthroline-5 , 6-diquinone product;
[0026] 2. Add 0.5g of 1,10-phenanthroline-5,6-diquinone and o-phenylenediamine to a 250mL flask respectively, then add 100mL of ethanol, heat (the temperature is controlled at 100°C or 110°C) to reflux for 20min, and cool After reaching 15 or 20°C, add 10ml of water to produce a yellow milky precipitate, filter and recrystallize with a mixture of ethanol and water (3:1, v / v) to obtain yellow needle-like cr...
Embodiment 2
[0029] Embodiment 2: Ruthenium (II) polypyridine complex preparation:
[0030] 1. Add 15g o-phenanthroline and 8.0g sodium bromide successively in a 250mL flask, add 90mL concentrated sulfuric acid and 45mL concentrated nitric acid while stirring, heat (the temperature is controlled at 120°C or 150°C) and reflux for 50min, and cool to 20 or After 25°C, neutralize with 30% sodium hydroxide, extract the filtered filtrate with dichloromethane, heat the extract to 100°C, evaporate to dryness and recrystallize with methanol to obtain 1,10-phenanthroline-5 , 6-diquinone product;
[0031] 2. Add 0.5g 1,10-phenanthroline-5,6-diquinone and 4,5-dimethyl-o-phenylenediamine respectively in a 250mL flask, then add 100mL ethanol and heat (the temperature is controlled at 110°C or 130°C) for reflux for 20min, cooled to 15 or 20°C, adding 10ml of water to produce a yellow milky precipitate, filtered and recrystallized with a mixture of ethanol and water (3:1, v / v) to obtain a yellow needle ...
Embodiment 3
[0034] Embodiment 3: Ruthenium (II) polypyridine complex preparation:
[0035] 1. Add 15g o-phenanthroline and 8.0g sodium bromide successively into a 250mL flask, add 90mL concentrated sulfuric acid and 45mL concentrated nitric acid while stirring, heat (the temperature is controlled at 120°C or 150°C) and reflux for 50min, and cool to 20°C Or after 25°C, neutralize with 30% sodium hydroxide, extract the filtered filtrate with dichloromethane, heat the extract to 100°C, evaporate to dryness and recrystallize with methanol to obtain 1,10-phenanthroline- 5,6-Diquinone product;
[0036] 2. Add 0.5g of 1,10-phenanthroline-5,6-diquinone and o-phenylenediamine to a 250mL flask respectively, then add 100mL of ethanol, heat (the temperature is controlled at 100°C or 110°C) to reflux for 20min, and cool After reaching 15°C or 20°C, add 10ml of water to produce a yellow milky precipitate, filter and recrystallize with a mixture of ethanol and water (3:1, v / v) to obtain yellow needle-l...
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