烯

Chiral N,P ligand 5 was examined for the asymmetric allylic alkylation of 1,3-diphenyl-2-propenyl acetate with up to 89% yield and up to 81.6% ee.

化合物5用于钯催化的1，3-二苯基-2-烯丙基乙酸酯的不对称烯丙基烷基化反应，产率为89%，对映体过量最高为81.6% ee。

It also include parts of alterability, con-mix, enhancement and compound, however, it is one of the perfect antiseptic materials at present.

PO是以乙烯，丙烯等烯烃为主的均聚物和共聚物，也包括部分改性，共混，增强，复合物，是目前最理想的防腐材料之一。

In their structures, polyanions are bridged by Ln ions via the coordination of the bridging oxygen atoms and terminal oxygen atoms, forming a W–Ot′–Ln–Ob–W linkage; and through the W–Ot′–Ln–Ob–W linkage a one-dimension infinite linear chain with alternating cations and anions is formed.

在相似的合成条件下，我们向原有体系内加入顺丁烯二酸作为有机配体，合成了化合物7，其7的基本结构和化合物1-6很相似，但有一个顺丁烯二酸阴离子取代了一个NO3-离子的位置。

Polymerization of norbornene was carried out in the presence of a catalyst system consisting of amidogen substituted mono(η~5-cyclopentadienyl)titanium/methyl aluminoxane.

采用胺基取代单茂钛{Cp~*TiCl_2N[Si(CH_3)_3]_2}与甲基铝氧烷组成催化体系催化降冰片烯聚合，得到有一定结晶结构的、可溶的聚降冰片烯。

The study indicated that the solid dispersion have been changed into mono phase system from double phase system, and the docetaxel present in the carriers with amorphism or molecular, which insured the drug could be dissolved quickly in gastrointestinal tract.

实验表明，固体分散体从两相体系转变为单相体系，且多烯紫杉醇在载体材料中以无定形或分子形态存在，保证了多烯紫杉醇在胃肠道中的快速溶出，达到了本实验的预期目的。

Anethole accounted for 82.65% of the whole oil. Selective isolation of anethole form the volatile oil was carried out using an inclusion crystalline method with 1,1,6,6- tetraphenylhexa- 2,4-diyne-1,6-diol inclusion complex with anethole . The crystal structure of the inclusion complex was determined by IR, 1^H NMR and single crystal XRD techniques.

采用包结结晶方法对小茴香挥发油中的对-丙烯基茴醚进行了选择性分离，以1，1，6，6-四苯基-2，4-已二炔-1，6-二醇作为主体分子，小茴香挥发油中的对-丙烯基茴香醚作为客体分子，D.D选择性地与之形成超分子包结物晶体。

In order to improve the efficiency of the system, we use anisole/toluene/ TBP as the solvent, in which the concentration of EAHQ is improved to 1.0 mol/L during the recycles of EAQ/EAHQ redox system.

二甲苯／TBP N门，体积比）溶剂中，EAHQ的饱和浓度为 0石2 mol几，用于丙烯环氧化时丙烯相对于 EAHQ的转化率为 96％，生成环氧丙烷的选择性为 88％。

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。

Photoreactions of 8 with 15-19, on the other hand, furnished the corresponding [2+2] cyclobutane products and the annulation products together.

二氯马来酰亚胺（8）与15—19的光化反应中则分别得到相应[2+2]的环丁烷产物和增环产物，在与19的反应中，还得到由环丁烷产物脱氯化氢后得到的环丁烯开环的二烯产物。

Recently, we have detailed a new series of furan-containing teraryl cyclophene derivatives 40a-f and 67. And two keys to syntheses were one-pot furan annulation and the McMurry reaction.

过去我们已成功地利用呋喃成环反应，与McMurry反应合成到一系列的含呋喃之[n.2]环芃烯40a-f与环芃双烯67。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。