芳烃化合物

The result shows at the mild condition chain olefin that nCl7, polyethylene can be cracked into solutions of ethane, propane, butane, benzene and toluene and other small molecular compounds, polyethylene reacted fluids are mainly composed of a-olefin at the range 12 to 38, by which α-ωdiene, saturated hydrocarbon and aromatic hydrocarbon, anthracene, phenanthrene of albocarbon series are contained.

结果表明，在温和条件下可以将链状烷烃如正十七烷烃、聚乙烯通过微波及炭催化剂的作用，裂解成乙烯、丙烷、丁烷、苯、甲苯等溶剂及小分子化合物。聚乙烯反应液体产物以碳数在12~38范围的α-烯烃为主，也产生α-ω二烯、饱和烃及芳烃，芳烃主要有萘系列、葱、菲等。

The invention provides a method for homopolymerizing conjugated dialkene or co-polymerizing conjugated dialkene and monovinyl aromatic hydrocarbon. The method comprises the following steps: the conjugated dialkene is homopolymerized or the conjugated dialkene and the monvinyl aromatic hydrocarbon are co-polymerized randomly. The method is characterized in that at least one alkali metal alkoxide compound expressed by the formula is used as a structure regulator; in the formula, R is linear chain or branched chain alkylidene radical having 1 to 10 carbon atoms; M is alkali metal selected from Li, Na, K, Rb and Cs.

本发明提供了一种使共轭二烯烃均聚或者使共轭二烯烃与单乙烯基芳烃共聚的方法，包括在阴离子聚合条件下使共轭二烯烃进行均聚或者使共轭二烯烃与单乙烯基芳烃进行无规共聚，其特征在于采用至少一种式所示的碱金属醇盐化合物作为结构调节剂，其中R为具有1-10碳原子的直链或支链亚烷基；以及M为选自Li、Na、K、Rb和Cs的碱金属。

The invention relates to a method for preparing arylamine compounds by the catalytic hydrogenation of arene nitro compounds in a H2O-CO2 system, wherein H2O-CO2 is taken as reaction medium, and the arylamine compounds are prepared by the selective hydrogenation of the arene nitro compounds at a low temperature(between 25 and 100 DEG C), and the catalytic process is controllable, highly efficient and green.

本发明涉及H 2 O-CO 2 体系中芳烃硝基化合物催化加氢制备芳胺类化合物的方法。以H 2 O-CO 2 为反应介质，由芳烃硝基化合物低温(25-100℃)选择性加氢制备芳胺类化合物的可控、高效、绿色催化过程。

The chapter two was focused on the samarium diiodide promoted organic reactions and their applications in organic synthesis, firstly, a new synthesis of highly substituted cyclopentadienes from a,β-alkynone promoted by samarium diiodide was investigated and the highly substituted cyclopentadienes were prepared in moderate to good yields under mild conditions. Secondly, the Michael addition and Michael-aldol tandem reaction of diorganyl diselenides or diorganyl disulfides with α,β-alkynones mediated by samarium diiodide were studied and a series of alkenylsulfides and alkenylselenides were prepared in good yields. Then the highly regioselecfive nucleophilic addition of the allylsamarium bromide to α,β-alkynones were explored. We found that the allylsamarium bromide reacts with α,β-alkynones to afford regiospecificly 1. 2-nucleophilic addition products in good yields under mild condition. At last we studied the coupling reaction of aryl halides promoted by NiCl〓/PPh〓/Sm〓.

第二章 研究了二碘化钐、金属钐促进的有机反应：1、二碘化钐促进下α，β-炔基酮的偶联环化反应，提供了一种制备多取代环戊二烯的新方法；2、二碘化钐促进下的二硫醚、二硒醚与α，β-炔基酮的Michael加成反应，为高产率地制备多取代的烯基硫或烯基硒化合物提供了方便可靠的新方法；3、二碘化钐促进下的二硫醚、二硒醚与α，β-炔基酮和醛、酮的Michael—aldol串联反应，提供了一种一锅法高产率地制备多取代的含硫的烯丙基醇或含硒的烯丙基醇类化合物的方便可靠的原子经济性的新方法；4、烯丙基溴化钐与α，β-炔基酮的高度区域选择性的1，2-亲核加成反应；5、NiCl〓/PPh〓/Sm〓促进的卤代芳烃的偶联反应-一种从各种卤代芳烃制备联苯类化合物的有效方法。

It could be observed that the [2] catenanes showed absorption maxima in 438. 0nm, 463. 0nm and 517. 0nm respectively, due to the interaction between calix [4] arenocrowns and the bipyridinium ring units.

另外，通过紫外-可见光谱，研究杯[4]并冠醚[2]索烃类化合物中的电子转移情况，发现组装后生成的杯[4]芳烃[2]索烃类化合物中，由于富电子的杯[4]芳烃冠醚和缺电子的联吡啶盐之间π-π堆积相互作用依次增强，它们分别在438.0nm，463.0nm，517.0nm的位置产生新的吸收峰。

Which are consistent to the source rocks relating to evaporite depositional environment within the lower part of Xingouzui Formation and the upper part of Shashi Formation in the study area.

对江汉盆地西南缘12个原油样品中含硫化合物分布特征的研究表明，原油中二苯并噻吩系列化合物和苯并萘并噻吩系列化合物分别占芳烃总量的4.61%~9.79%和0.27%~1.32%，与烃源岩中含硫化合物的含量一致，反映原油中含硫化合物的含量与沉积环境有关。

Their extraction properties have been studied by metal picrates liquid-liquid extraction and the results show:By using three thio-heterocyclic compounds, twelve novel derivatives of thioalkoxycalix[4]arenes on the lower rim have been synthesized and structurally characterized by 1H NMR、13C NMR、IR and MS.

本文采用三种巯基杂环化合物对杯芳烃下沿进行修饰，得到了下沿含有杂环硫烷氧基的杯芳烃系类系列衍生物，并利用~1H NMR、~(13)C NMR、IR和MS对所合成的十二个未见文献报道的新化合物进行了结构表征。

For these parts the maximum concentration for all PAHS is 200 mg / kg.

这些部件的全部多环芳烃化合物的最大含量为200mg / kg。

The mechanism of the second kind of FRs, FRs , can be described as"Accelerating the Elimination of HCl and Crosslinking by Ion Model". FRs can obviously promote the elimination of HCl, decrease the on-set temperature of decomposition of PVC, it can promote the crosslinking during decomposition, reduce the total output of aromatic compounds, increase the gel of condensed phase and char residue, the char residue is loosened.

第二类阻燃抑烟剂对PVC的阻燃抑烟机理可用&快速脱氯化氢离子交联模型&描述，其主要特点为：阻燃抑烟剂在热分解过程中，转化成为MCl〓，它一方面促进PVC释放HCl，另一方面，促使体系产生分子间交联，使裂解气相产物中芳烃化合物含量减少，凝聚相凝胶含量变大，残炭量提高，残炭物结构呈松散状态。

FRs can strongly suppress the elimination of HCl, raise the on-set temperature of decomposition of PVC, promote the crosslinking during decomposition, reduce the total output of aromatic compounds, increase the gel of condensed phase and char residue, the char residue is loosened. The configuration of FRs has no changed.

这类阻燃抑烟剂能抑制PVC热分解脱HCl反应，提高HCl释放的起始温度，在热分解过程中促进分子间形成交联键，使裂解气相产物中芳烃化合物含量减少，凝聚相凝胶含量增大，残炭量提高，残炭物结构呈松散状态，阻燃抑烟剂在热分解过程中化学结构保持不变。

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。