衍生物

On this basis, three soluble poly derivatives with asymmetric alkoxyl substituents copolymers were synthesized by copolymerization with different PPV derivatives. The luminescence characteristic and thermal performance of three copolymers were improved by copolymerization.

在此基础上，采用共聚的方法，将具有不同结构的PPV衍生物分子进行共聚，合成了三种可溶性不对称烷氧基取代聚对苯乙炔共聚物，从而改善了材料的热性能和光致发光特性。

In this paper, PPVs derivatives with alkoxyl as side-chain and PPVs derivatives containing oxadizole were synthesized; the monomers and polymers were characterized as well. It was studied systemically the influence of component and molecular structure of main-chain and side-chain or side-groups on polymer solubility, electroluminescent and photoluminescent properties, thermostability, and light-emission device performance.

合成了烷氧取代以及主链中含有噁二唑的PPV衍生物，详细研究了各种单体和相关聚合物的合成并对其结构与性能进行了表征，系统研究了聚合物主链、侧链或侧基的组成与结构特征对聚合物的可溶性、电致发光特性、光致发光特性、耐热性以及电致发光器件性能的影响。

In order to improve the luminescence and thermal performance of asymmetric ROPPVs, a series of poly derivatives with asymmetric alkoxyl substituents/ nanometer semiconductor composites were synthesized through dehydrochlorination in-situ polymerization.

为了进一步改善不对称ROPPVs的发光性能和热性能，首次采用原位脱氯化氢缩合聚合法，合成出一系列不对称烷氧基取代聚对(来源：9bab9bABC论文网www.abclunwen.com)苯乙炔衍生物／纳米半导体复合材料。

Four soluble poly(p-phenylene vinylene) derivatives with asymmetric alkoxyl substituents, poly (2-methoxy-5-butoxy)-p-phenylene vinylene, poly [2-methoxy-5-(3'-methyl)butoxy]-p-phenylene vinylene, poly (2-methoxy-5-hexyloxy)-p-phenylene vinylene and poly (2-methoxy-5-octoxy)-p-phenylene vinylene, were prepared by dehydrochlorination reaction with using p-hydroxyanisole and alkyl bromide as raw materials.

以对羟基苯甲醚和溴代烷烃为原料，采用强碱诱导的脱氯化氢缩合聚合法合成了四种可溶性不对称烷氧基取代聚对苯乙炔衍生物，分别为聚（2-甲氧基－5-丁氧基）对苯乙炔、聚［2-甲氧基－5-（3'-甲基）丁氧基］对苯乙炔、聚（2-甲氧基－5-己氧基）对苯乙炔和聚（2-甲氧基－5-辛氧基）对苯乙炔。

In the second part, the first example of Lewis acid catalyzed 1, 3-cycloaddition between nitrones and alkylidene malonates was developed by using trisoxazoline 63 and Co〓.

催化剂的用量可降至1-2mol％。在论文的第二部分，我们首次研究了Lewis酸催化的硝酮与丙二酸酯类衍生物的1，3-偶极加成反应。

The pure isomers 3-(1-hydroxyethyl)-8-vinyldeuteroporphyrin Ⅸ and 3-vinyl-8-(1-hydroxyethyl)deuteroporphyrin Ⅸ were obtained from protoporphyrin Ⅸ dimethyl ester.Starting from these two acetylating compounds,eight new porphyrin derivatives were synthesized through an alkyloxy fission reaction.

以原卟啉Ⅸ二甲酯为起始原料，合成并分离得到3-(1-羟乙基)-8-乙烯基次卟啉Ⅸ（Ⅱ1）和3-乙烯基-8-(1-羟乙基)次卟啉Ⅸ（Ⅱ2）二个异构体，两者分别经酰化后与醇进行烷氧裂解反应合成了8个全新的卟啉衍生物。

Secondly, a series of mono-tailed porphyrins——Zinc 5- 4-(ω-(1-adamantane amino) alkyloxy phenyl -10, 15, 20-triphenyl porphyrinate (ZnPCnA, n=4, 5, 6) and 5- 4-(ω-(1-adamantaneamino) alkyloxy phenyl -10, 15, 20-triphenyl porphyrin (H〓PC〓A, n=4) were synthesized, in which porphyrin subunit was connected with 1-adamantanamine by a flexible carbonic chain, in which the adamantyl group of adamantanamine, compared to other molecules, was a perfect guest to β-cyclodextrin and could be included into its cavity tightly in aqueous solution.

进一步的研究在NBCD和卟啉衍生物之间展开。

The invention relates to the synthesis of N-aryl group-3-(4-Beta-D-pyran allose glycoside phenyl)-5-formyl isoxazole-4-formamide and discloses a helicid derivative which can improve the functions of a central nervous system and the preparation method thereof; wherein, the compound has good sedative, hypnotic and anti-convulsant effects and is taken in the 2000 edition Chinese Pharmacopoeia with the drug name of helicid tablets.

N-芳基-3-(4-β-D-吡喃阿洛糖苷苯基)-5-甲酰基异唑-4-甲酰胺的合成，发明公开了具有改善中枢神经系统功能的豆腐果苷类衍生物，及其制备方法。该类化合物具有良好的镇静、安眠、抗惊厥作用。目前已以药品名&神衰果素片&被收入2000年版《中国药典》。

This thesis mainly studied on sulfamic acid catalyzed Cross-Aldol condensation, direct amidation of benzhydryl alcohol; solid base catalyzed synthesis of bisindoles was also discussed.

本论文主要讨论了磺氨酸催化下的Cross-Aldol反应；二苯甲醇的胺化反应；固体碱氟磷灰石催化的双吲哚甲烷衍生物的合成。

The condensation of 3 carbethoxy isoquinol 4 one with carbamidine, amidine, carbamide and sulfocarbamide gave isoquinolo pyrimidine derivatives, respectively and isoquinolo quinoline derivatives were synthesized by the reaction of o aminobenzaldehyde or o aminopiperonal with isoquinol 4 one.

报道了利用 3 乙氧甲酰基异喹啉 4 酮分别与胍、脒、脲及硫脲类化合物缩合反应合成异喹啉并嘧啶衍生物，邻氨基苯甲醛、邻氨基胡椒醛分别与异喹啉 4 酮反应合成异喹啉并喹啉化合物。6个新化合物的结构通过元素分析、红外光谱、核磁共振氢谱和质谱予以证

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％。