Stable chain-shaped Ni(II)-amino acid complex with fluorescence property and preparation method of stable chain-shaped Ni(II)-amino acid complex
A technology for fluorescent properties and complexes, which is applied in the field of stable chain Ni(II)-amino acid complexes with fluorescent properties and its preparation, achieving the effects of high yield, simple reaction equipment, and simple and easy operation
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experiment example 1
[0021] Preparation of experimental example 1 complex:
[0022] 0.2mmol N-(4-pyridylmethyl)-(L) valine sodium formate (55mg), 0.2mmol nickel acetate (50mg) were mixed in 7 mL ethanol and water (volume ratio 2:1), where the The molar ratio of nickel salt to N-(4-pyridylmethyl)-(L) valine sodium formate is 1:1. After ultrasonic vibration of the mixture for 5 minutes, the temperature in the hydrothermal reactor gradually increased from room temperature to 90°C within 360 minutes, kept at 90°C for 5 days, then gradually decreased from 90°C to 20°C within 360 minutes, and finally filtered at room temperature to obtain green particles single crystal, washed with 10 mL of methanol and 10 mL of diethyl ether, and dried naturally. The yield was 75% (based on L1, the same below).
experiment example 2
[0023] Preparation of experimental example 2 complex:
[0024] 0.2mmol N-(4-pyridylmethyl)-(L) valine sodium formate (55mg), 0.3mmol nickel acetate (75mg) were mixed in 7 mL ethanol and water (volume ratio was 2:1), wherein the The molar ratio of nickel salt to N-(4-pyridylmethyl)-(L) valine sodium formate is 1:1.5. After ultrasonic vibration of the mixture for 5 minutes, the temperature in the hydrothermal reactor was gradually raised from room temperature to 90°C within 360 minutes, kept at 90°C for 3 days, then the temperature was gradually dropped from 90°C to 20°C within 360 minutes, and finally filtered at room temperature to obtain green granules The single crystal was then washed with 10 mL of methanol and 10 mL of ether, and dried naturally. The yield was 69%.
experiment example 3
[0025] Preparation of experimental example 3 complex:
[0026] 0.2mmol N-(4-pyridylmethyl)-(L) valine sodium formate (55mg), 0.2mmol nickel acetate (50mg) were mixed in 7 mL ethanol and water (volume ratio was 1:2), wherein the The molar ratio of nickel salt to N-(4-pyridylmethyl)-(L) valine sodium formate is 1:1. After ultrasonic vibration of the mixture for 5 minutes, the temperature in the hydrothermal reaction kettle was gradually raised from room temperature to 90°C within 360 minutes, kept at 90°C for 3 days, then the temperature was gradually dropped from 90°C to 20°C within 360 minutes, and finally filtered at room temperature to obtain green granules The single crystal was then washed with 10 mL of methanol and 10 mL of ether, and dried naturally. The yield was 71%.
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