查询词典 benzyl-beta-phenylacrylate

Goodcatalytic activities of the phosphine palladium complexes were observed incarbonylation of benzyl chloride with atmospheric CO. In some reactions the yieldof phenylacetic acid was 91% and the catalyst could be reused repeatedly in severaltimes.

这些钯配合物催化苄基氯的常压羰基化反应有较好的催化活性，有些反应中苯乙酸的产率可达91％，可重复使用，是一类环境友好的新型绿色催化剂。

The fluorescence spectra of 4- 5 '-p-biphenylyloxadiazolyl-2' benzyl ω-p-biphenylyl polymethylene car-boxylate have been determined. The results of experi-ment show that they can form not only intramolecularexciplex but also intermolecular excimer and triplex.

测定了ω-对联苯基多亚甲基羧酸4-[5'-对联苯基〓二唑-2']苄酯的荧光发射光谱，从实验结果得到，它们不但可以形成分子内激基复合物，而且可以形成分子间激基缔合物和三分子激基复合物。

The related feature of tribromide quaternary ammonium salt as selective bromide reagent was investigated by the reaction of acetophanone, propanone, phenol with self-made benzyl triethyl tribromide quaternary ammonium salt.

首次通过自制的苄基三乙基三溴季铵盐与苯乙酮、丙酮、苯酚等的反应，研究了三溴季铵盐作为选择性溴化剂的相关性能。

The results showed that fipronil, which belongs to the benzyl pyrazole pesticides, had the highest toxicity to this insect of the tested insecticides.

结果表明：供试药剂中苯并吡唑类杀虫剂氟虫腈对细胸金针虫幼虫的毒力最高，LC50值为0.007613mg/kg土。

It was reported that benzylidenemalononitrile did not react with 1-benzyl-1,4-dihydronicotinamide. However, similar reaction easily takes place under the same condition when the phenyl group is replaced by the pyridyl group.

本课题组之前报道了苯亚甲基丙二腈在室温下不能被BNAH所还原，本论文将反应底物中的苯基换成吡啶基之后，在同样的实验条件下，反应可以比较顺利的进行。

The dispersion effect of sodium dodecyl benzyl sulfate was better than that of sodium dodecyl sulfate and polyvinyl pyrrolidone.

离子型表面活性剂十二烷基苯磺酸钠优于十二烷基硫酸钠和非离子型表面活性剂聚乙烯吡咯烷酮。

In the aqueous solution, Cu precipitates with ammonium thiocyanate and tetradecyl benzyl dimethylammonium chloride .

研究发现，在水溶液中Cu与硫氰酸铵、氯化十四烷基二甲基苄基铵形成不溶于水的三元缔合物，在少量氯化钠存在下此三元缔合物沉淀浮于水相上层并与水分成界面清晰的两相，分相过程中Cu被定量浮选。

Under the conditions of suitable pH, chondroitin sulfate was reacted with cationic surfactant, such as tetradecyl pyridinium bromide, tetradecyl dimethyl benzyl ammonium chloride, cetyl pyridinium chloride monohydrate and cetyl trimethyl ammonium bromide, to form stable association microparticles.

在适宜的pH条件下，硫酸软骨素可与溴代十四烷基吡啶等阳离子表面活性剂形成稳定的缔合物微粒。

The intermediate product was trichloromethyl benzyl alcohols that further reacted with acetic acid to prepare the crystal rose.

结晶玫瑰化学名为醋酸三氯甲基苄酯，是花香型香精优良的定香剂[1]，它广泛应用于人们的生活和生产中。

A new unsymmetrical ONO tridentate chain ligand N-(2′-hydroxyl) benzyl-ethanolamine has been synthesized and characterized by elemental analysis, IR and 1NMR.

宗汉兴 ，林瑞森，寇福平，解永树合成了不对称氮氧杂链型配体N-（2′-羟基苄基乙醇胺，通过元素分析、IR和1H NMR等手段进行了表征。

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为！