Part four:A simple and efficient synthesis of the valsartanValsartan,one of the most important agents used in antihypertensive therapy today,was synthesized starting from L-valin methyl ester hydrochloride through 4 steps in an overall yield of 60%.

第四章:抗高血压药缬沙坦的合成研究我们小组以L-缬氨酸甲酯盐酸盐为起始原料经过7步反应以60%的总收率完成了缬沙坦的合成工艺。

The purpose of this research firstly is to screen the antihypertensive probiotic bacteria from a great deal of acid-producing bacteria, and identify them so as to lay a foundation for studying and developing probiotic products.

本论文从大量分离获得的乳酸菌菌株中,筛选具有降压特性的益生菌,并对其进行鉴定,为研究和开发具有降血压功能的益生菌产品奠定基础。