Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 52411-34-4, name is 1,2-Bis(o-aminophenoxy)ethane, This compound has unique chemical properties. The synthetic route is as follows., 52411-34-4
Then, triphenylphosphine dibromide (0.11 mol) and 150 ml of 1,2-dichloroethane were fed to a reactor equipped with a stirrer, a heater and a dropping funnel in an N2 atmosphere and stirred. A solution obtained by dissolving the intermediate product B (0.05 mol) and triethylamine (0.25 mol) in 50 ml of 1,2-dichloroethane was gradually added dropwise to the resulting mixture at 25 C. After the end of addition, a reaction was carried out at 70 C. for 5 hours. Thereafter, the reaction solution was filtered, and the filtrate was separated with 100 ml of water 5 times. An organic layer was dehydrated with 5 g of sodium sulfate and 1,2-dichloroethane was removed under reduced pressure to obtain an intermediate product C (triphenylphosphine derivative).
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Reference:
Patent; TEIJIN LIMITED; Matsuno, Yuichi; Mitsunaga, Masaki; Oda, Jitsuo; Furuki, Masatsugu; Shoji, Shinichiro; Kitamura, Takuro; Shibata, Yoshitaka; (51 pag.)US9650350; (2017); B2;,
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