1、

The synthesis and anticancer activities of heterocyclic thiosemicarbazone containing norfloxacinyl have been studied.

研究了结构为含氟哌酸基的缩胺硫脲的合成及其抗癌活性。

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3、

Syntheses and Properties of Rare Earth Elements with Tiron and Nitrogen Heterocyclic Ring

稀土与钛铁试剂,含氮杂环三元配合物的制备和性质

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4、

TMC is widely used in carbohydrate chemistry and peptide chemistry as Condensation reagent or dehydrating agent but few in synthesis of heterocyclic compound.

TMC作为脱水剂和缩合试剂被广泛应用于糖类化学和肽类化学中,对于将其作为底物合成杂环化合物的应用很少。

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5、

Synthesis and Catalytic Properties of Nitrogen Heterocyclic Polymers

氮杂环高分子化合物的合成及催化性能研究

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6、

The mechanism discussed in this paper is connected with the different bond length and resonance energy of those N containing heterocyclic compounds.

其抗磨减摩机理与杂环化合物的化学键长及共振能大小有关。

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7、

Alder. Along with the development of the science and technology, Intramolecular Diels-Alder reactions and Hetero-Diels-Alder reactions appear. They are important methods of synthesis of hexatomic ring and hexabasic heterocyclic compound.

随着科技的发展,又出现了分子内的Diels-Alder反应以及杂Diels-Alder反应,它们是有机化学中合成六元环状化合物、六元杂环化合物的重要手段。

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8、

In this paper, two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase transfer reaction.

采用相转移催化反应合成了两个不饱和脂环氮杂冠醚。

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9、

Biogenic amines are aliphatic, alicyclic or heterocyclic organic bases of low molecular mass, which arise as a consequence of metabolic processes in animal, plants and microorganisms.

生物胺是一类含氮低分子化合物,对动植物和微生物有重要的生理作用。适量的生物胺有助于人体正常的生理功能,过量则会引起不良的生理反应。

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10、

A higher yield for Heterocyclic aromatics also could be obtained.

对杂环芳烃的催化也获得了较高的收率。

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11、

Among these compounds, aldehyde, ether, nitrogen-and sulfur-containing and heterocyclic compounds were the important flavor compounds in Yueshengzhai spiced beef.

其中醛类、醚类、含氮含硫以及杂环化合物是月盛斋酱牛肉的重要挥发性成分。

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12、

Solid-Phase Organic Synthesis of Heterocyclic Compounds Containing Bromo or Iodo Substituent Using Recyclable Polystyrene-Supported Selenium Bromide

可循环使用的聚苯乙烯负载硒溴试剂参与含溴(碘)取代的杂环化合物的固相有机合成

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13、

Half of the organic compounds are heterocyclic compounds, which are large in number and numerous in varieties. Many of them exist in nature and are related to the process of life.

杂环化合物约占有机化合物的一半,数目庞大,种类繁多,许多杂环化合物在生命过程中有重要作用。

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14、

Triazine is a type of heterocyclic organic compounds, it is important to ring nitrogen organic chemical raw materials.

是一种三嗪类含氮杂环有机化合物,重要的氮杂环有机化工原料。

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15、

These heterocyclic compounds may have potential physiological or pharmacological activity. Thus the development of simple, efficient methods to synthetize these compounds is be of importance and attracts much interest of chemists.

由于许多杂环化合物具有潜在的生理或药理活性,因此发展简单、高效的合成杂环类化合物的方法学一直受到化学家们的广泛关注。

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16、

They are also organic compounds in which one or more of the hydrogens in ammonia is replaced with a more complex group. Studies show that antioxidants are known to decrease these heterocyclic amines.

它们也是有机物氨中的一个或多个氢被替换成更复杂的组成,研究显示抗氧化剂能减少这些杂胺环。

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17、

as a new member of photochromic material, the heterocyclic diarylethene compounds attract increasing attention in recent years.

二芳杂环基乙烯类化合物是近年来国际上备受重视的一类新型光致变色物质。

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18、

optical recording performance of novel heterocyclic azo dye-doped polymer ( pmma) thin film

偶氮染料掺杂薄膜光记录性能研究杂环化合物的光环化加成反应

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19、

Xanthone derivatives with oxygenated heterocyclic compounds are widely distributed in plants and microorganisms. They have a broad spectrum of biological activities, such as antioxidative, antitumor, antifungal and antidiabetic.

双苯吡喃酮类化合物在自然界中广泛存在于植物和微生物中,药理活性非常广泛,如抗氧化、抗肿瘤、抗菌、抗糖尿病等,所以对双苯吡喃酮类化合物的衍生化研究具有潜在的价值。

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20、

Synthesis of Heterocyclic Disperse Dyes Containing Tetrahydro quinoline

含四氢喹啉杂环分散染料的合成

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