摘要: 嘧啶类化合物是一类含氮的杂环化合物,因其显示出良好的生物活性,在生物制药等方面有着广泛的应用前景。嘧啶类化合物在医药领域应用广泛,目前此类化合物作为中间体合成的药物种类繁多。有些药物应用广、疗效快、毒副作用小,且具有其它药物不可替代的作用,被广泛应用于临床治疗中。本文介绍了嘧啶类化合物的现状和应用,介绍了几种不同的合成嘧啶酮的方法。通过总结所查阅多方文献资料了后,确定了最终的合成路线。实验使用4-氯乙酰乙酸乙酯和5-巯基-1-苯基四氮唑作为初始原料,反应得到第一个中间产物。将这个中间产物与盐酸胍反应形成嘧啶酮结构。最后用4-氯甲基苯甲酰氯和嘧啶酮结构上的氨基反应,得到目标产物。此次实验的合成路线具有产率较高,后续处理方便的优点。50501
毕业论文关键词: 嘧啶类化合物;嘧啶酮;合成;医药中间体
Synthesis of A Pyrimidine Pharmaceutical Intermediates
Abstract: Pyrimidine compounds are a class of hetero-cyclic compounds containing nitrogen, because it shows good biological activity in bio-pharmaceuticals have a wide range of applications. Pyrimidine compounds are widely used in the medical field, currently these compounds as intermediates in the synthesis of a wide variety of drugs. Some medicines wide application, fast efficacy and toxicity, it has an irreplaceable role of other drugs and has been widely used in clinical treatment. This paper describes the status and application of pyrimidines and several different methods of synthesis of pyrimidinone. Now after the adoption of the summary of the multi-party literature to determine the final synthetic route. Experiments using ethyl 4-chloroacetoacetate and 1-phenyl-5-mercapto-tetrazole as a starting material, we get the first intermediate product FETCL-6609. Then we use the FETCL-6609 and guanidine hydrochloride to get the second intermediate product FETCL-6610. At last we use 4-(chloromethyl)benzoyl chloride and FETCL-6610 to get the ultimate goal of product FETCL-6620. The experimental synthetic route have advantages of it has a high yield and convenient for subsequent processing.
Keywords: Pyridine compounds; Pyrimidinone; Synthesis; Pharmaceutical intermediates
目录
摘要 ii
Abstract ii
目录 iii
1 绪论 1
1.1 嘧啶类化合物的简介 1
1.2 嘧啶类化合物的应用 2
1.2.1 抗癌药物 2
1.2.2 抗艾滋药物 3
1.2.3 其他嘧啶类化合物 3
1.3 嘧啶酮的合成方法 4
1.3.1 铜催化的Ullmann(乌尔曼)偶联反应 4
1.3.2 利用β-酮酸酯合成嘧啶酮及其衍生物 5
1.3.3 Biginelli反应 7
1.3.4 应用不同的杂环烯胺羧酸衍生物的反应合成嘧啶酮及其衍生物 8
1.3.5 利用三组分串联氮杂Wittig反应合成 8
1.3.6 利用Diels -Alder反应合成嘧啶酮及其衍生物 9
1.4 本课题的提出 10
1.5 合成路线的提出 11
2 实验部分 13
2.1 试剂和原料