羟基苯

Under the optimum condition, the maximum yield of more than 84% was obtained.

在最佳条件下，3-乙氧基-4-羟基苯乙醇酸的产率达84%以上。

Meso tetramethoxyphenyl porphyrin ; pyrrol ; para hydroxy benzaldehyde ; synthesis

间-四对甲氧基苯基卟啉；吡咯；对羟基苯甲醛；合成

Results: Seven compounds were isolated from the ethanol extract of the fruits and identified as oleanolic acid, luteolin-7-O-β-D-glucoside, quercitrin,β-sitosterol-3-O-β-D-glucoside, p-hydroxyphenethyl-β-D-glucoside, D-mannitol and hexitol.

结果：从女贞子的乙醇提取物中分离得到7个单体化合物，分别鉴定为齐墩果酸、木犀草素－7-O-β-D-葡萄糖苷、槲皮苷、β-胡萝卜苷、对羟基苯乙醇－β-D-葡萄糖苷、甘露醇及己六醇。

D-p-hydroxyphenylglycine is one of the important side chain in the semi-synthetic-lactam antibiotic molecules widely clinically used in the world.

D-对羟基苯甘氨酸(D-p-hydroxyphenylglycine，D-HPG)是临床上广泛使用的半合成β-内酰胺类抗生素的重要结构部分。

Objective:The present study investigated the inhibitory effects of Chinese herb component sinapine on activity of acetylcholinesterasein cerebral homogenate and blood serum of rats.

中文摘要：目的：考察中药单体芥子碱(3，5-二甲基，4-羟基苯丙烯酰胆碱，sinapine)对大鼠血清和大鼠大脑匀浆乙酰胆碱酯酶(acetylcholinesterase，AChE)的体外抑制作用。

Using triethanolamine and thionyl chloride as raw materials,tri-(3-chloroethane)amine is synthesized by substitution reaction in the presence of solvent chloroform.

以三乙醇胺和氯化亚砜为主要原料，通过取代反应合成三(2-氯乙基)胺，再在氮气的保护下，经过与对羟基苯甲醛反应，生成三胺，探讨了合成反应的工艺条件。

Tyramine was synthesiaed from p-thydroxybenzaldehyde through condensation with nitromethane and then reduction with tin powder and hydrochloric acid.

以对羟基苯甲醛和硝基甲烷为原料，经缩合和锌粉、盐酸还原合成酪胺，两步反应总收率61％。

In this study, six patients with piebaldism had removal of achromic epidermis via appropriately set erbium:YAG laser followed by application of autologous cultured epidermal grafts on the recipient bed. The 3,4-dihydroxyphenylalanine reaction was used to determine melanocyte content, and a semiautomatic image analysis system calculated the percentage of repigmentation.

在这项研究中，六名通过适当能量设定之铒-雅克雷射，移除色素缺乏表皮的白斑病患，在受体皮肤上以自体培养表皮移植的应用加以追踪。3.4-羟基苯丙胺酸反应用以测定黑色素细胞内容，并以半自动影像分析系统计算再色素沉淀的百分比。

The epoxidised cashew nut shell oil acrylate oligomer for UV curing materials was synthe- sized using epoxidised cashew nut shell oil and acrylic acid as main raw materials,N,N-dimethyl- benzylamine as catalyst and p-hydroxyanisole as inhibitor.

以N，N-二甲基苄胺作催化剂、对羟基苯甲醚作阻聚剂，环氧化腰果壳油和丙烯酸为主要原料合成了一种新型的紫外光固化预聚物——环氧化腰果壳油丙烯酸酯。

Starting from p-hydroxybenzaldehyde, isovanillin (3-hydroxy-4-methoxybenzaldehyde) was synthesized by three-step reactions of bromination,methylation and hydrolysis.

以对羟基苯甲醛为原料，经溴代、甲基化和水解3步反应合成了异香兰素，改进并优化了合成路线。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。