二戊基

In addition to cyclopropanation, the typical Diels-Alder reaction between cyclopentadiene and N-acryloyl-l,3-oxazolidinine-2-one with Ll-L8/metal complexes have also been studied.

对于新配体在Diels-Alder反应中的对映选择性的研究，我们采用环戊二烯与3-丙烯酰基-2-噁唑啉酮的反应。

The p-Isopropylbenzoic acid was synthesized by catalytic transfer dehydrogenation with 5% Pd/C using dihydrocumic acid as material and hydrogen offer, industrial dipentene as hydrogen acceptor and solvent, reacted directly under reflux condition.

采用5% Pd/C作为转移氢催化剂，原料二氢枯茗酸为氢给予剂，以工业双戊烯作为氢接受剂和溶剂，合成了对异丙基苯甲酸。

Totally 17 new type of fulvene ligands have been synthesized by the reaction of substituted-benzoyl chloride with Cp and substituted Cp anions. All the new compounds are fully characterized by infrared spectroscopy,!

我们利用含芳香取代基的环戊二烯丛负离子与含-CN、-I、-CO_2CH_3等配位有机基团的芳酰氯反应成功地合成了17个既含芳香基团又含杂原子配位基团的刚性共轭富烯类配体。

In this regard, our goal is to develop a glow-discharge method to functionalize titanium surfaces by the covalent immobilization of bioactive organic molecules.

钛金属圆片先以氩气电浆去除表面污染物，来产生可重复取得的清洁表面，接著用丙烯胺电浆处理，使丙烯胺聚合在钛金属表面，再以交链剂戊二醛将白蛋白与丙烯胺的胺基(-NH2)键结。

The ozonolysis of isoprene has a significant contribution to atmospheric carbonyls, especially to formaldehyde and methylglyoxal.

异戊二烯臭氧氧化反应对大气羰基化合物特别是甲醛和丙酮醛具有重要贡献。

Methods Based on molecular assembly technique, the matrix of agarose gel was deposited on the surface of glass plates,followed by drying, oxidation with NaIO 4 and cross linking with glutaraldehyde.

利用分子组装技术，以琼脂糖凝胶为基质，于玻片表面制成自组装膜，经过碘酸钠氧化后再与戊二醛分子偶联，而成为具有双功能分子层的薄膜。

A new method for the synthesis of 1 methyl 3 propyl pyrazol e 5 carboxlic acid from 2 pentanone and diethyl oxalate is reported.

以 2 -戊酮和草酸二乙酯为起始原料，经缩合、与甲基肼环合、水解等三个步骤合成了 1 -甲基-3-丙基吡唑-5 -羧酸。

One of these compounds, 2-diethyl- aminoethyl-5--(4-methoxybenzylidene) cyclo- pentanone hydrochloride (T81) possessed sig- nificant antiinflammatory and analgesic ac- tivity when administered orally.

Ⅲ类化合物完全无抗癌活性，对其中一个化合物2-二乙胺乙基-5--（4-甲氧基苯亚甲基）环戊酮盐酸盐（T81）试验结果表明，它经口给药时具有显著的抗炎、镇痛活性。

The forming mechanisms of thermolytic products were also proposed on the basis of the recombination of free radicals and oxidation of the organic ligands.

本文还对三（2，4-戊二酮）合铱主要热分解产物的自由基生成机理进行了探讨。

Two types of P Br N contained flame retardant,O (2,4,6 1 trioxo 1 oxyphosphabiscyclooctane 4 methylene) O (2,3 dibromopropyl)phosphoric melamine salt and O (2,4,6 tribromophenyl)phosphoric melamine salt,were synthesized from phosphorus oxychloride,pentaerythritol,2,3 dibromopropanol,2,4,6 tribromophenol and melamine,etc.

以三氯氧磷、季戊四醇、2 ，3 二溴丙醇、2 ，4，6 三溴苯酚及三聚氰胺等为原料合成了两种含磷溴氮阻燃剂，即O (2 ，4，6 三氧杂 1 氧基磷杂双环 [2 。2 。2 ]辛烷 4 亚甲基) O 2 ，3磷酸三聚氰胺盐和O (2 ，4，6 三溴苯基)磷酸三聚氰胺盐。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。