1)pantolactone泛内酯
1.Detection methods of enzymatic resolution process on DL-pantolactone and its autohydrolysisDL-泛内酯酶法拆分中检测方法及其自发水解
英文短句/例句
1.Detection methods of enzymatic resolution process on DL-pantolactone and its autohydrolysisDL-泛内酯酶法拆分中检测方法及其自发水解
2.Asymmetry Reduction of Ketopantolactone by Baker's Yeast面包酵母不对称还原酮基泛解酸内酯
3.Cloning and Expression of D-lactonohydrolase from F.moniliforme and Directed Enzyme Evolution;D-泛解酸内酯水解酶cDNA的克隆、表达与酶的定向进化
4.Screeming of D-pantolactone Hydrolase Producing Strains and Optimizing of Technology ConditionsD-泛解酸内酯水解酶产生菌的筛选及条件优化的研究
5.Chosen books have a wide range,选定的书籍内容广泛,
6.Her speech was superficial and full of generalities.她的发言内容浮泛。
7.broad in scope or content.在范围或者内容上广泛。
8.Density Functional Study on the Cyclization of Allylic Alkynoates Catalyzed by PdCl_2PdCl_2催化炔酸烯丙酯环化反应的密度泛函研究
9.Determination of linderalactone,linderane and isolinderalactone in radix linderae by HPLCHPLC法测定乌药中乌药内酯、乌药醚内酯、异乌药内酯的含量
10.arabonic r-lactone阿拉伯糖酸-r-内酯
11.15-hydroxypentadecanoic acid lactone15-羟基十五烷酸内酯
12.angeloylzygadenic acid lactone当归酰棋盘花酸内酯
13.d - glucuronolactoneD-葡萄糖荃酸内酯
14.inherently flame retardant polyester内在阻燃性聚酯[纤维]
15.The Separation and Capacitive Behavior of Triptolide, Tripdiolide;雷公藤内酯醇、内酯二醇的分离与电容特性
16.Determination of the andrographolide in andrographolide pill by HPLCHPLC法测定穿心莲内酯滴丸中穿心莲内酯的含量
17.Biodegradation of polycaprolactone in vivo人工合成聚己内酯体内降解的研究
18.Studies on the Metabolites of Andrographolide in Humans;穿心莲内酯在人体内的代谢产物研究
相关短句/例句
D-pantolactoneD-泛内酯
1.In the first section, with formaldehyde, isobutyl aldehyde and diethyl oxalate as the starting materials, D-pantolactone is prepared via three steps including c.D-泛醇,俗称原维生素B_5,属维生素B旋类营养增补剂,广泛应用于医药、化妆品、食品、饲料等领域,本文着重探讨了其制备及关键因素的优化,主要内容可分三部分: 第一是D-泛内酯的制备,先以甲醛、异丁醛和草酸二乙酯为起始原料合成酮基泛内酯,再经催化氢化得到DL-泛内酯,然后通过物理拆分获得D-泛内酯,得到产物的比旋光度与进口产品基本一致。
3)Pantoic acid γ-lactoneDL-泛内酯
4)Pantoyl lactone泛酰内酯
5)Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanoneDL-泛酰内酯
6)Pantoyl lactone泛解酸内酯
延伸阅读
内酯分子式:CAS号:性质:羧酸分子中的羟基(—OH)和羧基(—COOH)脱去一分水生成的环状结构的酯,常见的内酯为x=2,3或4,分别称为β-、γ-或δ-内酯。低级(环较小)内酯为具有香味的液体,易溶于水、乙醇及乙醚。性质与开链羧酸酯相似,与水(酸或碱存在下)、醇或氨反应,生成相应的羟基酸、羟基酸酯或羟基酰胺。β-内酯通常由乙烯酮与醛、酮反应制取γ-或δ-内酯可由γ-或δ-卤代酸制取。一些从天然物中分离得到的大环内酯具有生物活性。