Study on synthesis bromination derivatives of polyethylene glycol monomethyl ether;
聚乙二醇单甲醚溴代衍生物的合成研究
Comparing to different reaction methods, the method starting from 1,3-dimethyladamantane was certified with the memantine hydrochloride synthesized by bromination ,acetimidolation, hydrolysis and acidation.
通过比较不同的反应路线,确定了以1,3-二甲基金刚烷为原料,经溴代、乙酰氨基化、水解反应最后经酸化得到盐酸美金刚胺。
Bromacil was synthesized using 2-bromobutane and urea as the starting materials in three steps including condensation,cyclization and bromination with total yield of 61%.
以2-溴丁烷和尿素作为起始原料,经缩合、环化、溴代三步反应得到除草定,总收率为61%。
The Study on Bromization of Benzene on the Platinum Electrode By Confocal Microprobe Raman Spectroscopy;
苯在铂电极上溴代反应的共焦显微拉曼光谱研究
Suzuki cross-coupling reactions between aryl bromides and phenylboronic acids were studied over a hydroxyapatite-supported Mn catalyst(MnHAP) for the first time.
对于不同取代基取代的溴代芳烃或苯硼酸,可以得到中等产率(18%~46%)的偶联产物。
The palladium catalyst supported on fluoride pillared layered double hydroxide(LDH-F) was prepared by the incipient wetness method,and it was used to catalyze the Heck and Suzuki coupling reactions of aryl bromides.
以氟离子插层的水滑石LDH-F为载体,用逐滴浸渍法制备了新型Pd/LDH-F催化剂,并用其催化溴代芳烃的Heck和Suzuki偶联反应。
