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
作 者:李康[1] 杨兆琪[2] 文富华[2] 孙平华[2]
机构地区:[1]广东药学院药科学院,广州市510006 [2]暨南大学药学院,广州市510632
出 处:《中国药房》2007年第19期1467-1468,共2页China Pharmacy
摘 要:目的:采用新方法合成罗匹尼罗中间体2-甲基-3-硝基苯乙酸。方法:以2-甲基-3-硝基苯甲醛为原料,采用环合、氧化2步反应进行制备,并用质谱鉴别。结果:制得化合物确证为罗匹尼罗中间体2-甲基-3-硝基苯乙酸,总收率73.6%。结论:本方法简便,且缩短了反应时间,提高了反应收率。OBJECTIVE: To synthesis (2-methyl-3-nitrophenyl) acetic acid by a new method. METHODS: (2-methyl- 3-nitrophenyl) acetic acid was prepared with 2-methyl-3-nitrobenzaldehyde as raw material by ring closure and oxidation, and the identification was carried out using mass spectra. RESULTS: The prepared compound was ascertained to be (2- methyl-3-nitrophenyl) acetic acid and the total yield was 73.6%, CONCLUSION: The method is simple, due to which, the reaction time has been shortened and the yields has been improved.
关 键 词:罗匹罗尼 2-甲基-3-硝基苯乙酸 合成
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:216.73.216.3