Reaxys
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1
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97.6 g
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in dichloromethane
T=4°C;
Roberts, Kenneth M.; Tormos, Jose R.; Fitzpatrick, Paul F.
Biochemistry, 2014 , vol. 53, # 16 p. 2672 - 2679 Title/Abstract Full Text View citing articles Show Details
in water
T=30°C; 12 h; Inert atmosphereSonication; Hide Experimental Procedure
University of Jinan; Xu, Cui; Guan, Ruifang; Jie, Junpeng
Patent: CN105693532 A, 2016 ; Location in patent: Paragraph 0041; 0042 ; Title/Abstract Full Text Show Details
8.1; 8.2:Example 8
Preparation of fluorescent acetic acid-ethylenediamine carboxylic acid ammonium salt, the steps are as follows:1,1.5 ml of acetic acid and1.5ml of ethylenediamine dissolved in 5ml of distilled water, placed under the protection of nitrogen vacuum flask solution, ultrasoundAnd the solution was changed to a colorless transparent solution. The solution was changed to a yellow color after being stirred in an environment of 30 ° C for 12 hoursTransparent liquid to give a mixture I;2. After washing the mixture I three times with petroleum ether, water and petroleum ether were removed by evaporation under reduced pressure to give a yellow transparent solid,A carboxylic acid ammonium salt having a fluorescence.The characterization of the resulting product was similar to that of Example 1, with quinine sulfate as a reference, giving the fluorescence quantum yield of the ammonium carboxylateWas 17.8percent.