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噻吩基

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In this dissertation, the stable radical cation salts ofphenothiazine and 10 - alkylphenothiazine alky=〓(〓 hexachloroantimonate,perchlorate and iodide were prepared by one- electron oxidationwith 2,2,6,6-tetramethyl - 4 -acetyloxypiperidine oxoammoniumhexachloroantimonate, perchloric acid/hydrogen peroxide andmolecular iodine respectively, and they were characteried by UV -Vis spectroscopy and ESR spectroscopy.

本文的主要内容有:吩噻嗪和10-烃基吩噻嗪分别被碘、高氯酸/过氧化氢,2,2,6,6-四甲基-4-乙酰氧基哌啶氧铵六氯锑酸盐氧化为相应的正离子自由基碘盐、高氯酸盐、六氯锑酸盐,并用UV-Vis光谱和ESR波谱进行了鉴定和研究。

Based on the results of photophysical and electrochemical data, we found the effective conjugation length of oligomers are extended with increasing phenothiazine units which are saturated up to six phenothiazinevinylene units.

吩噻嗪分子是一类拥有较好的刚性结构和大的π共轭体系的杂环分子,具有扭曲的蝴蝶型构象,所以吩噻嗪分子能够阻止π键堆积和链间激基复合物的形成,在有机光电功能材料中显示了很好的应用前景。

Four non-ionic europium complexes,〓-phen(11),〓·bipy(12),〓·dia(13) and 〓(14)(TTA=2-thenoyltrifluoroacetone, DBM=dibenzoylmethane, phen=phenanthroline, bipy=2,2'-bipyridine, dia=4,5- diazafluoren-9-one, dmbp=4,4'-dimethyl-2,2,-bipyridine), were synthesised and the triboluminescent phenomena of 12, 13 and 14 were firstly observed. Structure determinations of 11,12 and 14 were carried out. The triboluminescence maxima of 12 and 13 are similar to those of their photoluminescence. X-Ray structure analyses show that Eu atoms all exhibit eight-coordinate tetragonal antiprismatic geometries and complexes 11, 12 and 14 are all centrosymmetric.

二、合成了四个非离子型的铕的配合物:〓、〓、和〓(14)[HTTA=2-噻吩三氟甲酰丙酮,DBM=二苯甲酰基甲烷,phen=邻菲罗啉, bipy=2,2'-联吡啶,dia=4,5-二氮杂芴-9-酮,dmbp=4,4'-二甲基-2,2'-联吡啶],首次报道了12、13及14的摩擦发光性质,测定了11、12及14的晶体结构,并系统地讨论了晶体结构和摩擦发光活性之间的关系。12及13的摩擦发光光谱的极大值均类似与其相应的光致发光光谱,表明它们有相同的激发态。

Further aza-Wittig reactions of iminophosphorane 3 with aromatic isocyanates gave the carbodiimide s 4, which were reacted with secondary amines to give 2-dialkylamino-thieno[2,3-d]pyrimidin-4(3H)-ones 6 in the presence of catalytic amounts of EtO-Na+ in 58%~82%.

应用膦亚胺3与芳基异氰酸酯的氮杂Wittig反应,生成的碳二亚胺4,再与仲胺作用得到中间体5,而后在醇钠的催化下关环制得2-二烷氨基噻吩并[2,3-d]嘧啶-4(3H)-酮衍生物6,产率为58%~82

The influence of the Vilsmeier formylation reaction, the immediate Grignard reaction, the mediate Grignard reaction and the solvents on the synthesis of 2,8-diformyldibenzhothiophene was also investigated.

探索了Vilsmeier甲酰化、直接格氏试剂法、间接格氏试剂法以及溶剂对合成2,8-二甲酰基二苯并噻吩的影响。

The method is characterized in that:(1) the reflux of the 2-[N, N- 2amino]-3-cyano-group-4-thiopheneacetic-5-carboxylic acid tetra ester is carried out in the proper sodium hydroxide aqueous solution of alcohol for 5h to 6h and the pH value is kept over 10 during hydrolysis;(2) the ethanol of 20 per cent to 60 per cent is added and then the strontium chloride aqueous solution with 2times to 2.5times molal weight is directly added, precipitates the crystal, is filtered and dried;(3) water is added to carry out the reflux and the little salt packed in the crude product is removed, and the product is collected through heat filtration.

其特征在于:①将2--3-氰基-4-羧甲基噻吩-5-羧酸四酯在适量氢氧化钠水醇溶液中回流5~6小时,水解过程保持pH值10以上;②然后再加入20-60%乙醇,随后直接加入2-2.5倍摩尔量氯化锶水溶液,析出结晶,过滤,晾干;③加水回流,除去粗品中包裹少量盐,热过滤,收集产品。

Phenothiazines were also oxidized byiodine and 2, 2, 6, 6- tetramethyl - 4 - acetyloxypiperidineoxoammonium hexachloroantimonate to radical cations in the cavityof β-cyclodextrins in aqueous solution.

以吩噻嗪衍生物为底物,2,2,6,6-四甲基-4-乙酰氧基哌啶氧铵六氯锑酸盐、碘为氧化剂,二者在水相中β-环糊精腔内发生了单电子转移反应,产生了吩噻嗪衍生物正离子自由基。

Piperidine oxoammonium salts oxidize aromatic amines and N, S-containing heterocycles to the corresponding radical cations, and the isotope effects in electron transfer reactions between thianthrene and N-methylphenothiazine radical cations and their respective neutral parent molecules have been reported for the first time.

哌啶氧铵盐氧化芳香胺和含氮、硫芳杂环为相应的自由基正离子,首次报道了噻蒽及甲基吩噻嗪自由基正离子与其中性母体之间电子转移的同位素效应。

Two kinds of poly(3-hexylthiophene) films with the same chemical compositions were subjected to a charge transport study in order to examine possible influences of film structures on mobilities of charge carriers.

对两种具有相同化学结构的聚(3-己基)噻吩膜进行了电荷传导研究以检验膜的结构对载流子迁移率的影响。

Polymer-based thin film transistors with poly(3-hexylthiophene)(P3HT) as semiconducting active layers were successfully fabricated on silicon substrates in air which was used as gate electrode, HfTiO film deposited by RF sputtering method was used as gate insulators, and gold metal was used as source and drain electrodes. The HfTiO surface was modified by using octadecyltrichlorosilane solution during fabrication process.

以高掺杂Si单晶片作为衬底且充当栅电极,采用磁控溅射法在硅片上沉积HfTiO薄膜作为栅介质层,聚三己基噻吩(P3HT)薄膜作为半导体活性层,金属Au作为源、漏电极,并采用十八烷基三氯硅烷对栅介质层表面修饰,在空气环境下成功地制备出聚合物薄膜晶体管。

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According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm~150rpm时取得最大值,此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世,形体几无变化。

When I was in school, the rabbi explained everythingin the Bible two different ways.

当我上学的时候,老师解释《圣经》用两种不同的方法。