芳烃

AhR activated by environmental pollutants modifies a series of gene expression involved in cell proliferation, cell cycle and apoptosis, which cause injury and cancer.

环境污染物同时可激活芳基烃受体并改变一系列与细胞增殖、细胞周期进程和凋亡相关基因的表达，导致机体损伤并诱发肿瘤。

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 experimental results showed that reaction temperature and space velocity had remarkable influence on aromatization of light hydrocarbons.

考察了反应温度、空速和高径比条件对轻烃在分子筛催化剂上低温芳构化制取高辛烷值汽油性能的影响。

It shows that there are cracking and aromatization reactions of C2,C3and C4 hydrocarbons,but no conversion of methane is found.

结果表明，在不同催化剂上，都会发生C2～C4烃的裂解和芳构化反应，但没有观察到甲烷的转化。

Methoxy sec-ethyl acetate, Ethyl acetate, Ethyl forate,α-Pinene,β-Pinene, Camphene, Junipene, Limonene, P-Cymene, Linalool and Terpinole are regarded as the key flavorous components, which result in the peculiar smell and taste in fruits of Rubus L..

综合分析表明，甲氧基次乙基乙酸酯、乙酸乙酯、甲酸乙酯、α-蒎烯、β-蒎烯、莰烯及桧烯、柠檬烯、对伞花烃、芳樟醇、萜品醇类等化合物是四种悬钩子类果实的主要香味成分。

By means of GC, GC-MS, GC-IR, the reaction products were investigated and the results showed that there are triylene, camphene, limonene, p-cymene, terpinolene -terpinene,-terpinene,-fenchyl formate, linalyl formate, terpinyl formate, bornyl formate and isobornyl formate containing in the products,and linalyl formate was first discovered in addition reaction of a -pinene and formic acid .The content of the main product terpinyl formate is up to 60.4%,the selectivity is 64.5%.

采用GC、GC-IR、GC-MS等对反应产物进行定量和定性分析，结果表明：微波辐射下α-蒎烯与甲酸的反应产物含有三环烯、莰烯、对-伞花烃、α-松油烯、γ-松油烯、柠檬烯、异松油烯、甲酸葑醇酯、甲酸异龙脑酯、甲酸龙脑酯、甲酸芳樟酯、甲酸松油酯。

Ir expounds the biothermocatalytic transitional zone gas is a special gas formation stage in continuous evolutionary sequence of organic matter, whose exogenic force is temperture and catalysis of clay minerals, at the same time, having decarbxylation, deamination and so on.

论述了过渡带气不受生油成熟门限的限制，它是有机质连续演化序列中的一个特殊成气阶段，其主要的外生营力是温度和粘土矿物催化作用，同时，还有脱羧、脱氨、脱基团作用和芳环的缩聚作用等多途径多方式成烃模式。

In part one, the reactions of some active fluorine-containing compounds such as 2, 2-dihydropolyfluoroalkanoic acids and ethyl 2-hydropolyfluoroalkenoates were studied and various fluorine-containing heterocyclic compounds were synthesized. Using 2, 2-dihydropolyfluoroalkanoic acids as the starting material, 4-fluoroalkyl quinolin-2-ols, 2- [ -1-hydropolyfluoro-1-alkenyl] -4H-3, 1-benzoxazin-4-ones, 1-aryl -4, 9-dihydro-3-fluoro-alkyl-1H-pyrazo [3, 4-b] quinolin-4-ones, 5-fluoroalkyl-12H-quin olino [2, 1-b] quinazolin-12-ones, 4-fluoroalkyl-1, 3-dihydro-1, 5-benzodiazepin-2-ones and 4-fluoroalkyl-2H-pyrido [1, 2-a] pyrimidin-2-ones were synthesized through its condensation reaction with anilines, anthranilic acid, N'-aryl-o-aminobenzamides, o-nitro aniline, o-amino pyridine and their derivatives and the subsequent transformations. 5-Fluoroalkyl isoxazolidines, 3-fluoro-3-fluoroalkylisoxazolidino [4, 3-c] quinolin-4-ones, 3-fluoroalkylisoxazolino [4, 3-c] quinolin-4-ones and 2-aryl-3per fluoroacylindoles were synthesized by inter-and intramolecular 1, 3-dipolar cycloaddition of fluorine-containing olefins and nitrones.

第二部分，我们研究了α，α-二氟苄基卤类化合物的亚磺化脱卤反应、产物的转化及全氟烷基亚磺酸盐与芳环化合物的全氟烷基化反应，发现全氟苄基碘或溴及α，α一二氟苄基溴在保险粉等亚磺化脱卤试剂引发下可生成相应的亚磺酸盐；全氟苄基亚磺酸盐与氯气或溴反应可生成全氟苄基磺酰氯或磺酰溴；在烯烃存在下，全氟苄基碘则与烯烃发生加成反应，生成相应的1：1加成产物；在三价醋酸锰的作用下，部分芳香化合物如茴香醚，二甲氧基苯，吡啶，喹啉等可以和过量的全氟烷基亚磺酸盐发生双全氟烷基化反应，反应表现出一定的区域选择性，产率良好。

Four different ionic liquids, BF4, BF and PF6 were investigated, arid PF6 showed the best effect when used as the reaction media, giving the highest yield in the shortest reaction time. Promoted by KF in PF6, N-aryl or N-alkyl monosubstituted sulfonamides could react with various activated halides and unactivated primary halides smoothly. Reactions were performed at 85℃ for 2~10 hours, and thirteen N-alkylation products were obtained with 70%~97% yields. Moreover, the ionic liquid recovered could be reused for three times with no appreciable decrease in yield and reaction rate.

结果表明，以PF6为反应介质时显示出了最好的效果，反应的时间最短，收率最高。N-芳基或N-烷基单取代的磺酰胺和各类不同结构的活化的卤代烃和未活化的一级卤代烃在PF6中KF作用下，85℃反应2~10h，以70%~97%的优良收率得到了13个N-烷基化产物，而且离子液体回收使用3次后效果未降低。

The others of pentacyclic triterpanoids and their aromatized triterpanes are existed, but much lower in content than that in Xundian, Liaohu, Shulan brown coal resins.

结果显示，昭通树脂烃中D-环单芳藿烷及17β，21β-藿烷为含量最高的特征化合物，其它五环三萜及芳构化物质虽有分布，但量极低。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。