查询词典 arenes

3Azocalix[4]arene was first synthesized by coupling reaction of calix[4]arenes with BF_4~-salt of p-nitrobenzene diazonium.

3通过和对硝基苯偶氮四氟硼酸盐发生偶联反应，在杯[4]芳烃上沿引入了偶氮基团。

Synthesis of mesitylene by catalytic alkylation of mixed C9 arenes and isobutene

可由三甲基氯硅烷与无水烯丙醇反应来制取。

Synthesis of mesitylene by catalytic alkylation of mixed C9 arenes and isobutene;2. Synthesis of trimesic from liquid phase oxidation of mesitylene by air

能使感光材料增加感光性的一类染料。1873年发现在溴化银乳剂中加入菁染料后，可使乳剂在染料所吸收的光谱区域中产生新的感光性，从此菁染料在黑白胶卷、彩色胶卷及红外胶卷等感光材料工业先后获得广泛应用。

Synthesis and structure of double and multi-calix [4] arenes via ring closing metathesis .

2通过RCM方法设计合成外沿以冠醚链桥连的杯[4]芳烃衍生物。

The B3LYP/6-31G calculations on the four complexes show that the largest interaction energy is-13.98 kJmol^(-1) in the complex composed of HMX and hexaazacalix [3]-p-triarene [3]-2-amido-1, 3, 5-triazine. Results show that intermolecular interaction energies of azacalix [6] arenes with substituted groups are stronger than that without substituted groups, and intermolecular interaction energies of azacalix [6] arenes with amido groups are stronger than that with nitryl groups.

研究发现分子间相互作用能最大的复合物是六氮杂杯[3]-对－三芳烃[3]-2-氨基－1，3，5-三嗪与HMX所形成的复合物，最大相互作用能为－13.98 kJmol^(-1)；而且带有取代基的复合物的相互作用能大于没有带取代基的复合物，带有氨基取代基的复合物的相互作用能大于带有硝基取代基的复合物。

Result The results showed that its components were quite complex, and 89 organic compounds were identified. There were 72 kinds of oxygen-containing organic compounds which included esters, phenols, aethers, ketones and alcohols in the depolymerization product, small amounts of alkanes, alkenes, arenes, thiophenol and nitrogen-containing organic compounds were also detected, which showed that characteristics of the product with high oxygen content, low nitrogen and sulphur content.

结果］超临界乙醇解聚产物成分十分复杂，GC/MS分析鉴定出89种有机化合物，其中72种为含氧化合物，主要有酯、酚、醚、酮和醇等，还检测出少量烷烃、烯烃、芳烃、苯硫酚和含氮化合物，反映了解聚产物的高含氧量和低含氮硫量的特性。

Two novel pyrene-armed calix[4]arenes by triazole connection were synthesized using "click" chemistry.

通过"click"反应合成了两个含芘基团的杯[4]芳烃。

The highly efficient and versatile synthetic strategies can be applied for synthesizing novel coplanar chromophores, for example, introduce new arenes such as naphthalene or benzothiophene boronic acid as the constituted units of the conjugated backbone.

利用类似的反应条件，我们可以引入萘环及苯骈噻吩基团到共轭主轴上，合成新型共平面材料。

Result showed that tetrasubstituted calix [4] arenes in lower rim were stronger complex abilities than bisubstituted calix [4] arene with transition metal, heavy metal and rare earth ions. But when introducing the aminephenolicalcohols in the 1, 3-bisubstituted calix [4] arenes, the complex abilities were improved.

结果表明：在Lower rim上四取代的杯[4]芳烃配体比1，3-二取代的杯[4]芳烃配体对过渡金属离子，重金属离子及稀土离子有更好的配位能力，但当1，3-二取代的取代基上引入醇胺链型配体时，对金属离子也有很好的配位能力。

Synthesis of the phenylhydrazone, oxime and semicarbazonederivatives of calix[4]arenesThe reaction of p-formylcalix[4]arenes with phenyl hydrazine,hydroxylamine hydrochloride or semicarbazide hydrochloride afforded thephenylhydrazone, oxime or semicarbazone derivatives of calix[4]arenes,respectively.

酯型杯[4]冠醚的全醚化及性能研究利用氢化钠作为碱，对酯型杯[4]冠醚剩余酚羟基进行烷基化，合成中性杯芳烃酯型冠醚，初步研究了其对金属离子、有机阳离子和中性分子的识别情况，发现其对这些底物缺乏有效作用能力。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。