Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.
筛选以2 -溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。
An amine or amino resin is the alkylated reaction product of urea or melamine and formaldehyde.
含胺基或氨基树脂是尿素或三聚氰胺和甲醛烷基化反应产品。
Metal halide based perovskite materials are successfully prepared with the reaction of organic amine and metal halides in proper solvents.
利用直链有机胺与金属卤化物在适当的溶剂中进行反应，成功的制备出金属卤化物衍生型钙钛矿化合物。
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