amyl butyric ester 丁酸戊酯
n-amyl butyric ester 丁酸正戊酯
-p-nitrophenyl butyric ester 丁酸酯
Butyric acid methyl ester 丁酸甲酯 ; 正丁酸甲酯
n-Butyric acid ethyl ester 酷酸乙酯 ; 酪酸乙酯 ; 丁酸乙酯
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。
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。
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