在乙腈溶剂中,碳酸钾存在下,双咪唑啉和1,2-二溴乙烷进行扩环反应,得到环状中间体一溴盐,产率78。
The reaction of bis-imidazoline with 1,2-dibromoethane and potassium carbonate in acetonitrile provided monobromide salt with a yield of 78.
利用蚕豆根尖微核技术研究农药乙蒜素和细菌溴腈对蚕豆根尖细胞的遗传损伤,测定蚕豆根尖细胞的微核率、有丝分裂指数和染色体畸变率。
With different concentrations of sewage and aluminum sulfate as a mutagen, pea root tip cells in the mitotic index, micro-rate and the rate of chromosomal aberrations are determined.
以1,3-二甲基金刚烷为原料,经溴化、乙腈和硫酸的作用下乙酰胺基化、水解、成盐等反应及改进的后处理方法得到盐酸美金刚,总收率6 7。8%。
Memantine hydrochloride was synthesized from 1,3 dimethyladamantane by bromination, acetamidation with acetonitrile in sulfuric acid and hydrolysis with an overall yield of 67.8%.
试验中采用HPLC法考察奥替溴铵在醇、水、乙腈及血浆中的稳定性,并用LC-MS/MS、1H-NMR及13C-NMR法对其降解产物进行结构鉴定。
The stabilities of otilonium bromide in alcohols, water, acetonitrile and plasma were investigated by HPLC, and the degradation products were identified by LC-MS/MS, 1H-NMR and 13C-NMR.
试验中采用HPLC法考察奥替溴铵在醇、水、乙腈及血浆中的稳定性,并用LC-MS/MS、1H-NMR及13C-NMR法对其降解产物进行结构鉴定。
The stabilities of otilonium bromide in alcohols, water, acetonitrile and plasma were investigated by HPLC, and the degradation products were identified by LC-MS/MS, 1H-NMR and 13C-NMR.
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