内酯化

2-Substituted-3,4-dihydro-1(2H)-isoquinolinones were synthesized from methyl 3-hydroxy-ben- zoates via allyl etherification, Claisen rearrangement, oxidation, reductive amination and aminolysis for the first time.

以3-羟基-4-甲氧基苯甲酸甲酯等为原料，通过烯丙基醚化、Claisen重排、氧化、与伯胺反应、还原、分子内酯的胺解六步反应合成了一系列2-取代-3，4-二氢-1-异喹啉酮类化合物。

Moisturizer:Water,propylene glycol,saccharide isomerate,chondrus crispus,peg-40 hydrogenated castor oil,imidazolidinyl urea,methylparaben,sodium hyaluronate,pentadecalactone,citrus aurantium dulcisoil,lactic acid,iris germanica root extract,sodium hydroxide,citrus aurantium amara oil,yellow 6(CI 15985),limonene,linalool

保湿精华：水，丙二醇，天然异构寡糖，卡拉胶，PEG-40氢化蓖麻油，尿素醛，羟苯甲酯，透明质酸钠，环十五内酯，甜橙油，乳酸，鸢尾花根萃取，氢氧化钠，苦橙油，黄 6(CI 15985)，柠檬精油，芳樟醇

Impact of PCL capsulation on the mesenchymal stem cell activity studied in vivo, one plate culture with complete culture medium for control group with and two encapsulated transplantation for experimental groups(complete culture medium or basic culture medium for cell suspended) installed,after package and transplantation,retrieving capsulated cells for cell count,MTT assay,CCK-8 assay Daily for 8days to determine cell activity,and analysis growth curve.

以完全培养液平皿法细胞培养为对照组，设2个实验组进行聚己内酯囊管化骨髓间充质干细胞移植细胞活性研究。两个实验组分别以完全培养液和基础培养液悬浮细胞后封装移植，囊管内细胞回收后以细胞计数、MTT法、CCK-8法测定细胞的活性，共8天，进行生长曲线分析。

Impact of PCL capsulation on the mesenchymal stem cells activity studied in vitro studied,one plate culture with complete culture medium for control group and three encapsulated culture for experimental groups installed.

以添加10%胎牛血清的完全培养液平皿法细胞培养为对照组，设置3个实验组进行聚己内酯囊管化骨髓间充质干细胞培养活性研究。

The glucose, as raw material, underwent glycuronic inner ester 109, cyclohexanone 113 and amination reduction important process to afford the target product in 13 steps.

本文通过大量的摸索和实验，由葡萄糖出发经过制备葡萄糖内酯109、制备环己酮113及还原胺化总计13步反应以总收率25.3%制备得到伏格列波糖。

Ionization was accomplished by using iodoethane and γ-propane sultone respectively.

通过碘乙烷和v－丙磺酸内酯对上述样品进行季铵化，合成了阳离子型及双离子型离聚物。

The effects of vacuolization on the differentiation of vascular endothelial cells were analyzed from a chemical biochemistry genetics perspective using the blastodisc cells differentiation model induced by FGF with the γ-butyrolactones derivative.

从化学遗传学的角度，利用γ-丁内酯衍生物研究了成纤维细胞生长因子（fibroblast growth factor， FGF）诱导鸡胚盘细胞向血管内皮细胞分化过程中，空泡化对血管内皮细胞分化的影响。

The activity of catalysis of IER was affected by the chemical reactive process, it's inner and outer diffusion processes, serving time and esterified degree.

离子交换树脂的催化活性既受化学反应过程的控制，又受内扩散和外扩散的影响，其催化活性也受反应温度、使用时间的、酯化度等因素的影响。

This is transformed into anomeric acetates 16, which is used for the synthesis of a number of 2＇, 3＇-dideoxy-2＇-trifluoromethylnuclosides via Vorbruggen glycosylation reaction. At the same time, L-2-tifluoromethyl-4-thiofuranosides 39 were also prepared from the key intermediate lactone.

从这一砌块出发，经由关键中间体2-三氟甲基-γ-丁内酯转化得到的化合物16的Vorbruggen糖苷化反应，合成了2＇，3＇-双脱氧-2＇-三氟甲基嘧啶核苷。

--Bishomomanicone, a constituent of the mandibular gland secretion of the ant M. rubida and of the oak moss oil of E. prunastri Ach. was prepared from-4-methylvalerolactone through 10 steps with the overall yield 2.9%.

R-4-甲基戊内酯经过开环、脱羧、双羟化等10步操作，以2.9%的收率合成了蚂蚁信息素--Bishomomanicone，该化合物也是橡苔精油的组成成分之一，合成中的关键步骤是Li2CuCl4催化的碘化物与格氏试剂的偶联，以及HWE反应。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！