Inquired into the influences of temperature, amount, speed and solvent on the brominating addition reaction, and discussed the operation crafts of separation and crystallization. 探讨了溴化温度、溴量、溴速度、化溶剂对反应的影响,并讨论了分离结晶的操作工艺。
This works put forward a method of synthesis of thiophene alcohol and discuss carefully the way of reducing by-product and condition of brominating and Gall's. 提出了可工业化的噻吩乙醇的合成方法,并详细地讨论了降低副产物生成的途径。对溴化和格氏化条件进行了研究。
Synthesis of Brominating Acrylic Rosin Epoxy Resin and Flame Retardation of the Curing Product 溴化丙烯酸松香环氧树脂的合成及固化物的阻燃性
Research on Bromination of 4-Nitroaniline With Hydrobromic Acid and Hydrogen peroxide as Brominating Agent in Medium of Dilute Sulfuric Acid 4-硝基苯胺在稀硫酸介质中用氢溴酸和过氧化氢为溴化剂溴化反应的研究
Study on Synthesis, Characterization and Fire-Retardant Property of Brominating Maleic Rosin 溴化马来松香的合成、表征及其阻燃性的研究
A method for the determination of phenol in printing ink by brominating derivatization and gas chromatography is described. 建立了溴化衍生测定喷墨打印墨水中苯酚的方法。
Study on Preparation of Copper-covering Foil by Crosslinking of Brominating Epoxy Resin and Tung Oil Modified Phenol-aldehyde Resin 溴化环氧树脂交联桐油改性酚醛树脂用于覆铜箔板的研究
METHODS: Abolishing of brominating step and optimizing of etherifying reaction. 方法:革除溴化反应,对醚化反应进行了优化。
Study on the New Technology of Aryl Acetone α-Brominating 芳基丙酮类α-溴代反应新工艺的研究
Heating was necessary too, when 1,2-dichloroethane, methanol or ethanol was used, or bromine-dioxane complex was taken as brominating agent. 在1,2二氯乙烷、甲醇、乙醇等溶剂中,或以络合态溴作为溴化剂时,反应也需要加热。
Selective brominating agents in bromination 溴代反应中的选择性溴化剂