前言： 目的：合成塞曲司特并对其合成工艺进行改进。
OBJECTIVE: To Synthesize seratrodast and improve the synthetic process.
方法：以庚二酸单乙酯为原料，经酰氯化、傅克酰化、还原、水解、缩合及氧化反应合成塞曲司特。结果：塞曲司特的总产率为5 0 .7%。
Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.
于是，塞萨洛夫将他们召集到坎布里奇的一家咖啡馆中，并解释了自己的方案：利用自我合成的分子构建一个完全功能化的镜像细胞。
So he brought them both to a café in Cambridge and made his pitch: Build a fully functioning mirror cell made of molecules they themselves would synthesize.
通过对此过程的不同方法进行了对比，提出一条以环硫酸酯为N-羟基化试剂，并以塞克硝唑为例进行了合成。
By comparison of different approaches, a synthesis route was given, in which cyclic sulfate was used as N hydroxylalkylation reagent.
目的研究培美曲塞的合成方法。
目的：对阿佐塞米合成工艺进行研究。
Object:to make researches of the technology of Synthesizing Azosemide.
目的对合成的塞克硝唑进行结晶水的分析和稳定性研究。
OBJECTIVE To study the stability and crystal water of synthesizing secnidazole.
塞可西丁可促进蛋白质合成和增强消化酶的活性；
Secxitin can promote the synthesis of protein and enhance the activity of digestive enzyme.
1924年，墨西哥哲学家荷塞·伐斯冈萨雷斯在他的一本著作中，梦想着未来地球上所有不同种族都融合成一种类型人的可能性。
In 1924, the Mexican philosopher jose Vasconcelos wrote a book dreaming of the possibility that, in the future, all RACES on the planet would merge into one type of man.
培美曲塞是一种多靶点抗叶酸制剂，通过抑制合成叶酸所必需的酶的活性来抑制DNA的复制从而抑制肿瘤生长。
Pemetrexed is a multi-target anti-folate agents, by inhibiting the activity of enzymes which are necessary for folic acid synthesis to inhibit DNA replication and thus inhibit the tumor growth.
摘要： 本文详细解析了软木塞与螺旋盖或人工合成酒塞各自的优劣。
ABSTRACT: Take a closer look at the differences among corks, screw caps and corks alternatives.
通过比较对塞克硝唑不同的合成路线，选择了一条适合工业化生产塞克硝唑的路线。
A route suitable for industrial production of secnidazole was improved, in which boron trifluoride etherate was used in replacing sulfuric acid as the catalyst.
通过比较对塞克硝唑不同的合成路线，选择了一条适合工业化生产塞克硝唑的路线。
A route suitable for industrial production of secnidazole was improved, in which boron trifluoride etherate was used in replacing sulfuric acid as the catalyst.
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