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. 20469-65-2, name is 1-Bromo-3,5-dimethoxybenzene, This compound has unique chemical properties. The synthetic route is as follows., Quality Control of 1-Bromo-3,5-dimethoxybenzene
Condensation reaction: in with a thermometer, condenser 250 ml bottle to join four 21.9g 5 – bromo – m dimethyl ether {melting point 62 – 66 C; appearance: white solid; nuclear magnetic:1H NMR (CDCl3, 400MHz) delta (ppm) data are as follows: 3.82 (s, 6H, CH3), 6.37 (t, 1H, Ar – H), 6.81 (d, 2H, Ar – H)}, 12.8g bromopropylene, 20.4g triethylamine, 2.2g dppp nickel chloride, 130 ml methyl tert-butyl ether, magnetic stirring, oil bath heating, when the temperature rises to 50 C and maintaining at 4 hours, after the reaction is cooled to ambient temperature, for 60 ml 10% hydrochloric acid aqueous solution washing the reaction liquid, water washed to neutral, the organic layer is distilled under reduced pressure to obtain 17.4g 5 – propenyl – m dimethyl ether {melting point 97 – 100 C; appearance: white solid; nuclear magnetic resonance:1
According to the analysis of related databases, 20469-65-2, the application of this compound in the production field has become more and more popular.
Reference:
Patent; Weifang Xian Da Chemical Co., Ltd.; Li Kai; Wang Guangyue; Yang Qiwei; Zou Yabo; (7 pag.)CN106748673; (2017); A;,
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem