检索规则说明:AND代表“并且”;OR代表“或者”;NOT代表“不包含”;(注意必须大写,运算符两边需空一格)
检 索 范 例 :范例一: (K=图书馆学 OR K=情报学) AND A=范并思 范例二:J=计算机应用与软件 AND (U=C++ OR U=Basic) NOT M=Visual
机构地区:[1]四川大学华西药学院,四川成都610041 [2]四川科瑞德凯华制药有限公司,四川成都610041
出 处:《华西药学杂志》2009年第1期49-51,共3页West China Journal of Pharmaceutical Sciences
摘 要:目的合成哌库溴铵并改进其工艺。方法以5α-雄甾-2-烯-17-酮为原料,通过酯化、环合、开环、还原等六步反应合成得到哌库溴铵。结果和结论通过工艺优化,使总收率由24.3%提高到44.6%,产物经1HNMR、IR、元素分析确证结构,经HPLC检测纯度>99.5%,并全检合格。优化后的工艺参数易于控制,生产工序便于操作,有利于工业化生产。OBJECTIVE To synthesize Pipecuronium Bromide and improve the synthetic process. METHODS Pipecuronium Bromide was synthesized from 6 steps 5α - androst - 2 - ene - 17 - one by esterification, cyclization , decyclization , reduction and so on obtain Pipecuronium Bromide. RESULTS and CONCLUSION The overall yield was increased from 24.3% to 44.6% by opti- mization, and chemical structure of the product was confirmed by 1HNMR. The purity of Pipecuronium Bromide was higher than 99.5% by determination using HPLC, and all items were up to standard. The optimized synthetic parameters were more regulated, and manufacture procedure was more operated and suitable for industrial production.
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在载入数据...
正在链接到云南高校图书馆文献保障联盟下载...
云南高校图书馆联盟文献共享服务平台 版权所有©
您的IP:216.73.216.15