丁二酰

A selective and mild PS-DIB/ionic-liquid immobilized 2, 2, 6, 6-tetramethyl-piperidin-4-ol-N-oxyl catalytic oxidation procedure of alcohols to the corresponding aldehydes and ketones in ionic liquid BF4 at room temperature was developed. The oxidant PS-DIB was prepared via the iodation and acetylation of polystyrene resin. For the preparation of the ionic-liquid immobilized TeMPO catalyst, 4-(2, 2, 6, 6-Tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide was first synthesized from TeMPO and 1, 4-dibromobutane.

将聚苯乙烯树脂先碘化再乙酰基化，制得了负载型二乙酰氧碘苯作为氧化剂。2， 2， 6， 6-四甲基－N-氧自由基哌啶醇与1， 4-二溴丁烷反应生成4-溴丁氧基－2， 2， 6， 6-四甲基－哌啶－1-氧化物，再与N-甲基咪唑发生季铵化反应，生成的溴化季铵盐与四氟硼酸钠进行离子交换制得氟硼酸型2， 2， 6， 6-四甲基－N-氧自由基哌啶负载离子液体。

A selective and mild PS-DIB/ionic-liquid immobilized TEMPO catalytic oxidation procedure of alcohols to the corresponding aldehydes and ketones in ionic liquid BF4 at room temperature was developed. The oxidant PS-DIB was prepared via Iodation and acetylation of polystyrene resin. For the preparation of the ionic-liquid immobilized TEMPO catalyst, 4-(2,2,6,6-Tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide was first synthesized from 2,2,6,6-tetramethyl-piperidin-4-ol-N-oxyl and 1,4-dibromobutane.

将聚苯乙烯树脂先碘化再乙酰基化，制得了负载型二乙酰氧碘苯(diacetoxyiodo polystyrene，PS-DIB)作为氧化剂。2，2，6，6-四甲基-N-氧自由基哌啶醇(2，2，6，6-tetramethyl-piperidin-4-ol-N-oxyl，TEMPO)与1，4-二溴丁烷反应生成4-溴丁氧基-2，2，6，6-四甲基-哌啶-1-氧化物，再与N-甲基咪唑发生季铵化反应，生成的溴化季铵盐与四氟硼酸钠进行离子交换制得氟硼酸型2，2，6，6-四甲基-N-氧自由基哌啶负载离子液体TEMPO-IL。

Odoquinazolin-4(3H)-one,7-methyl-4(3H)-quinazolinone,7-bromoquinazolin-4(3H)-one were synthesized by using anthranilic acid、2-amino-5-nitrobenzoic acid、2-amino-4-nitrobenzoic acid,6-nitro--4(3H)-quinazoline-one、o-amino-terephthalic acid, 2-amino-4-hydroxy benzoic acid、2-amino-5-bromo-benzoic acid、2-amino-5-iodine acid,1、4-butynediol、L-glutamine、isatin anhydride、formamide as starting materials and utilizing microwave-assisted synthetic approach.

本文利用微波辅助合成的方法，以邻氨基苯甲酸、2-氨基-5-硝基苯甲酸、2-氨基-4-硝基苯甲酸、邻氨基对苯二甲酸、2-氨基-4-羟基苯甲酸、2-氨基-5-溴苯甲酸、2-氨基-5-碘苯甲酸、5-甲基-2-氨基苯甲酸等为原料与甲酰胺反应，以及以1，4-丁炔二醇、L-谷氨酰胺与靛红酸酐反应，共合成了13个喹唑啉酮衍生。。。

The experimental results show that using the feed technique of "starved state" can raise the conversion ratio of monomers, shorten the reactive time and get polymers with much more even distribution of molecular weight; the technique of adding azobisisobutyronitrile as an initiator first and then benzoperoxide as another initiator at later Stage of experiment can get higher initiating efficiency than using one initiator only.

结果表明：采用&饥饿态&聚合工艺可提高单体转化率，缩短反应时间，且所得到聚合物相对分子质量分布均匀；选用偶氮二异丁腈和过氧化笨甲酰两种引发剂进行复配，比选用单一引发剂的引发效果好；选用酯酸丁酯、正丁醇和丙二醇甲醚丙酸酯作混合溶剂，当配比为2：1：1时聚合体系稳定，聚合物的固体质量分数可达70%，且粘度适中。

Ethoxycarbonyl-4,5-dimethyl-pyrrole (7) was prepared from ethylacetoacetate, ethyl formate and methyl ethyl ketone via oximination, Claisen condensation, and reductive condensation. The bromization of compound 7 gave 2-ethoxycarbonyl-3-bromo-4,5-dimethyl-pyrrole(8), which could be transferred to 2-ethoxy-carbonyl-3-brome-4-methyl-5-formyl-pyrrole (9) by the formolation.

由乙酰乙酸乙酯、甲酸乙酯及丁酮等原料经过肟化、Claisen缩合、还原缩合成环得到2-乙氧羰基－4，5-二甲基－吡咯(7)，溴化生成2-乙氧羰基－3-溴4，5-二甲基－吡咯(8)，最后经过甲酰化反应得到目标产物2-乙氧羰基－3-溴－4-甲基－5-甲酰基－吡咯(9)。

The synthesis of poly{2-4-[bi(4-tetrabutylphenylamino]phenylphenylenenvinylene} was beginwith 4-tetrabutylbenzoic,through acylation、Hoffmann rearrangement、bromization、idionization、Ullmann reaction、bromization、condensepolymerization.

聚{2-[4-二(4-叔丁基苯胺基苯基]苯撑乙烯}是以对叔丁基苯甲酸为原料，经酰氯化、酰胺化、Hoffmann降解、碘化、Ullmann反应、溴化、缩聚反应得到。

Except heptanoyl chitin, four of them,i.e.acetyl chitin,propionyl chitin,butyryl chitin and hexanoyl chitin,had high degree of substitution(from 1.5 to 2.0)and exhibited lyotropic liquid crystalline behavior and cholesteric phase.

文摘：四种羧酰化甲壳素即乙酰化、丙酰化、丁酰化和己酰化甲壳素在二氯乙酸溶液中均呈现胆甾型溶致液晶相。

The results show that the foamable MAA/MAN copolymers were prepared at 40-60℃ by polymerizing the mixture of 50phr MAA, 50phr MAN, 1-5phr magnesium oxide, 2-8phr butanol and tert-butanol, 0.2-0.3 phr dibenzoyl peroxide and tert-butyl perbenzoate and 0.1-0.2phr DMF. Then the resulting copolymers were expanded at 200-220℃ for 2-3h, subsequently treated at 160℃ for 5-6h, generating PMI foams with excellent mechanical properties and heat-resistance.

研究结果表明：将50份MAA、50份MAN、1~5份氧化镁、2~8份正丁醇、叔丁醇的混合物、0.2~0.3份过氧化二苯甲酰和过氧化苯甲酸叔丁酯和0.1~0.2份的甲酰胺，混合均匀后在40~60℃聚合为可发泡的MAA/MAN共聚物，该共聚物在200~220℃下发泡2~3h，在160℃下热处理5~6h，制得PMI泡沫塑料，其力学性能和耐热性能优异。

In this Ph. D. dissertation, reverse microemulsion method was fully used infabricating and modifying polyacrylamide with functional and high-relative moleculeweight. The copolymerization of 2-acrylamide-2-methylpxopanesulfonic acid, fluorescent monomer 4-methoxy-N-(2-N\', N\'-dimethylamino ethyl)naphthalimide alkyl chloride quaternary ammonium salt, fluorescentmonomer 4-(N\'-methyl-1-piperazinylallyl)-N-butyl-naphthalimide chloride quaternaryammonium salt, Cationic monomer dimethylethylammonium bromide and hydrophobical monomer octadecylacrylate with acrylamide and properties of the copolymers werestudied. The interaction between five polymers and Al_2O_3(012) crystal surface have beensimulated by Materials Studio 3.0 program package, binding energies and non-bondinteraction energies and deformation energies have also been acquired.

本文以制备具有较高相对分子质量和功能型PAM为研究目的，将反相微乳液法运用到其制备及改性的有关环节，通过反相微乳液聚合工艺，将几种改性功能单体2-丙烯酰胺基-2-甲基-丙磺酸、荧光单体2-(4-甲氧基-1，8-萘二甲酰亚胺基)-乙基二甲基烯丙基氯化铵、荧光单体4-(N'-甲基-1-哌嗪基)-N-丁基-1，8-萘烯丙氯季铵盐、阳离子单体丙烯酰氧乙基-二甲基-乙基溴化铵和疏水单体丙烯酸十八酯与AM共聚，制备AMPS改性PAM、荧光示踪型PAM、阳离子单体DMB改性PAM和OA改性PAM等四类不同功能单体改性PAM，并研究其应用性能。

The acyl derivatives all exhibited higher inhibitory effect than prinsepiol, among which isobutyryl and diacetate derivatives exhibited highest activity with EC50 of 3.85 mg/L and 5.60 mg/L respectively.

在Prinsepiol 4，4'位引入不同酰基后化合物的抑菌活性均有不同程度提高，其中4，4'-二异丁酰基衍生物和4，4'-二乙酰基衍生物的抑菌活性均较好，有效中浓度(EC50)分别为3.85和5.60 mg/L，是Prinsepiol的6~8倍。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了