环烯

Part 2. Annulation reaction of 3, 4-dichlorocoumarin (1) and 3, 4-dichloromaleimide (8) by a new general annulation strategy developed in this group with 2-phenylbenzofuran (15), 3-phenylbenzofuran (16), 2, 5-diphenyloxazole (17), 2, 5-diphenylthiazole (18), 2-methyl-4-phenylthiazole (19) and 2, 3-dimethoxy-1, 3-butadiene (40) were investigated.

二。在本课题组前一阶段提出的从二氯代环烯酮与1，1-二芳基乙烯的光化反应以及光化反应中得到的环丁烷产物的连续电环化反应对3，4-二氯马来酰亚胺以及3，4-二氯香豆素进行增环反应的工作基础上，研究了3，4-二氯香豆素（1）和3，4-二氯马来酰亚胺（8）与5个α-苯基取代的环烯烃2-苯基苯并呋喃（15），3-苯基苯并呋喃（16），2，5-二苯基噁唑（17），2，5-二苯基噻唑（18），2-甲基-4-苯基噻唑（19），以及一个丁二烯——2，3-二甲氧基丁二烯（40）进行的芳香族增环反应。

The fourth part of this work was to enhance the RIE resistance of the photoresist by substituting the cycloolefin structure for the acrylate structure.

第四部份延伸第三部份之脱水交联反应机制於环烯类负型树脂，并验证环烯类光阻剂具有较压克力光阻剂更优秀的抗蚀刻能力。

"Olefins may be classified by whether the double Bond is in a ring or a chain or by the number of double Bonds (monoolefin, diolefin, etc.)."

有两种分类方法︰一、分为环烯烃和非环烯烃，双键依次位于成环碳原子之间或开链基团的碳原子之间。

New sulfonyloxadiazolones have the formula, in which A stands for hydrogen, sulphur,-SO-,-SO2- or a group, in which R stands for hydrogen or alkyl; R stands for optionally substituted cycloalkyl, cycloalkenyl or aryl; and R stands for optionally substituted alkyl, alkenyl, dialkylamino or aryl.

本发明涉及式新的磺酰基__二唑酮，其中，A代表氧、硫、－SO－、－SO 2 －或基团，其中R 3 代表氢或烷基；R 1 代表任选被取代的环烷基，任选被取代的环烯基或任选被取代的芳基；和R 2 代表任选被取代的烷基，链烯基，二烷基氨基或芳基。

This dissertation focused on two types of reactions, oxidative allylation of 1, 3-dicarbonyl compounds and ring-opening allylation of epoxides.

我们重点考察了两类反应：1， 3－二羰基类化合物的不对称烯丙基化反应和环氧化合物的开环烯丙基化反应。

It shows that Iridoids composition of Valeriana jatamansi Jones have inhibit function on gastrointestinal function of mice with reserpine.1.3 Effection of Iridoids composition of Valeriana jatamansi Jones on gastrointestinal function of IBS rats induced by chronic stressMethods:Animals were randomly divided into7 groups:normal group,model group, OSD group,FXT group and Iridoids composition of Valeriana jatamansi Jones groups in quantiy of 24.92mg/kg,12.46mg/kg,6.23mg/kg.model replicating method is chronic stress for 28 days.

说明蜘蛛香环烯醚萜可改善利血平导致的胃肠运动亢进。1.3蜘蛛香环烯醚萜对慢性应激所致IBS大鼠胃肠功能的作用方法：动物随机分为对照组、模型组、昂丹司琼组、氟西汀组、蜘蛛香环烯醚萜24.92mg/kg、12.46mg/kg、6.23mg/kg组。

It shows that Iridoids composition of Valeriana jatamansi Jones have inhibit function on gastrointestinal function of mice with reserpine.1.3 Effection of Iridoids composition of Valeriana jatamansi Jones on gastrointestinal function of IBS rats induced by chronic stressMethods:Animals were randomly divided into7 groups:normal group,model group, OSD group,FXT group and Iridoids composition of Valeriana jatamansi Jones groups in quantiy of 24.92mg/kg,12.46mg/kg,6.23mg/kg.model replicating method is chronic stress for 28 days.

说明蜘蛛香环烯醚萜可改善利血平导致的胃肠运动亢进。1.3蜘蛛香环烯醚萜对慢性应激所致IBS大鼠胃肠功能的作用方法：动物随机分为对照组、模型组、昂丹司琼组、氟西汀组、蜘蛛香环(来源：49ABC论文网www.abclunwen.com)烯醚萜24.92mg/kg、12.46mg/kg、6.23mg/kg组。

And then is the 2 to 4 ring PAH, in which the content of naphthyl- and phenanthryl- substance is more than 70%.

轻质馏分脂肪烃主要为环烯烃和二烯烃等烯烃，烷烃中以环烷烃居多；中质以上馏分的脂肪烃主要由C_(13)～C_(32)的正构烷烃组成。

The compoud 1 can be converted to intramolecular coupled cyclic olefine (2) as a main product in the presence of iron catalyst.

控制反应条件，在铁催化下可以生成偶联烯烃化的环烯产物(2 )为主要产物；不加催化剂，加热回流反应得到分子内亲核取代反应产物环丙烷化合物 3

The result implied that C-H wagging out-of-plane vibration was most important in classifying alkenes are cycloalkenes or chain alkenes.

实验结果表明，烯烃的C-H面外弯曲振动是分类烯烃是环烯烃或链烯烃的最重要的片段光谱。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。