Fluorescent compound for detecting viscosity of oil displacement of tertiary oil recovery, and preparation method and application of fluorescent compound
A fluorescent compound and viscosity technology, applied in the preparation of organic compounds, chemical instruments and methods, fluorescence/phosphorescence, etc., can solve the problems of shrinking final yield, poor anti-interference effect, hindering solute diffusion, etc., and achieve good detection and analysis results. , Improve the final oil recovery rate, the effect of high recognizable degree
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[0052] Example 1
[0053] A method for preparing a fluorescent compound for viscosity detection of tertiary oil recovery chemical flooding includes the following steps:
[0054] (1) Dissolve 286 mg of 2-bromoanthracene-9,10-dione in 10 mL of dry and dewatered THF, and stir the mixture with ultrasound to obtain solution 1;
[0055] (2) Dissolve 349 mg of (4-(bis(4-methoxyphenyl)amino)phenyl)boronic acid in 10 mL of dry and dewatered DMF, stir it evenly with ultrasound to obtain solution 2;
[0056] (3) Simultaneously dissolve 326mg of cesium carbonate in deionized water, stir well with ultrasound, and obtain 1mol / L of Cs 2 CO 3 Aqueous solution (solution 3);
[0057] (4) Mix the solution 1 described in step (1) and the solution 2 described in step (2), mix uniformly, add 1.06 mg of palladium catalyst to it, vacuum, and then perform a heating reaction to control the reaction temperature to 40 ℃, after reacting for 30 minutes, add 1mol / L Cs prepared in step (3) dropwise to it 2 CO 3 Aqueo...
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[0059] Example 2
[0060] A method for preparing a fluorescent compound for viscosity detection of tertiary oil recovery chemical flooding includes the following steps:
[0061] (1) Dissolve 286 mg of 2-bromoanthracene-9,10-dione in 50 mL of dry and dewatered THF, and stir the mixture with ultrasonic to obtain solution 1;
[0062] (2) Dissolve 872.5mg of (4-(bis(4-methoxyphenyl)amino)phenyl)boronic acid in 50mL of dry DMF, and stir it evenly with ultrasound to obtain solution 2;
[0063] (3) At the same time, dissolve 1.63g of cesium carbonate in deionized water, and stir uniformly with ultrasonic to obtain 3mol / L of Cs 2 CO 3 Aqueous solution (solution 3);
[0064] (4) Mix the solution 1 described in step (1) and the solution 2 described in step (2), mix uniformly, and add 10.6 mg of palladium catalyst to it, evacuate, perform a heating reaction, and control the reaction temperature to 70°C , After reacting for 3h, add dropwise the 3mol / L Cs prepared in step (3) 2 CO 3 Aqueous solutio...
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[0065] Example 3
[0066] A method for preparing a fluorescent compound for viscosity detection of tertiary oil recovery chemical flooding includes the following steps:
[0067] (1) Dissolve 286 mg of 2-bromoanthracene-9,10-dione in 100 mL of dry and dewatered THF, and stir the mixture with ultrasound to obtain solution 1;
[0068] (2) Dissolve 1745 mg of (4-(bis(4-methoxyphenyl)amino)phenyl)boronic acid in 500 mL of dry DMF, stir it with ultrasound, and obtain solution 2.
[0069] (3) At the same time, dissolve 3.26g of cesium carbonate in deionized water, and stir evenly with ultrasonic to obtain 5mol / L of Cs 2 CO 3 Aqueous solution (solution 3);
[0070] (4) Mix the solution 1 described in step (1) and the solution 2 described in step (2), mix well, add 106 mg of palladium catalyst to it, apply a vacuum, perform a heating reaction, and control the reaction temperature to 100°C. After reacting for 5 hours, the 5mol / L Cs prepared in step (3) was added dropwise to it 2 CO 3 Aqueous sol...
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