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In this paper, a new kind of bonded organic/inorganic hybrid NLO materials containing P-Nitro aniline was synthesized through sol-gel process by using alkoxysilane dye containing P-Nitro aniline and tetraethylorthosilicate as reactants.

以含对硝基苯胺生色团的烷氧基硅烷染料和正硅酸乙酯为原料,通过溶胶-凝胶法合成了含对硝基苯胺生色团的键合型有机/无机复合非线性光学材料。

In a system consisting of 20% PEG 400 and 12% magnesium sulfate, the partition coefficient of PGA was less than 0.01, PGA almost completely partitioned into the magnesium sulfate-rich bottom phase. Meanwhile, the partition coefficient of cephalexin was 6.7, the partition coefficients of phenylglycine methyl ester and 7-ADCA were 1.5 and 1.2, respectively.

通过考察头孢氨苄、苯甘氨酸甲酯和7-氨基脱乙酰氧基头孢烷酸(7-ADCA)在ATPS中的分配行为建立了一个含20%PEG 400和12%硫酸镁的ATPS,在此体系中头孢氨苄的分配系数为6.7,苯甘氨酸甲酯的分配系数为1.5,7-ADCA的分配系数为1.2,且青霉素酰化酶的分配系数小於0.01。

Benzyloxy benzoyldimethylsulfoxide was prepared by the reaction of ethyl 4-benzyloxybenzoate and dimethyl sulfoxide in the presence of sodium hydride, followed by Pummerer reaction with concentrated hydrochloric acid to afford eo-hydroxy-co-thio-methyl-(4/-benzyloxy) acetophenone, which reacted with urea, thiosemicarbazide, semicarbazide hydrochloride and o-phenylenediamine to give imidazolidine-2,4-dione, l,2,4-triazine-3- one and quinoxaline derivatives, respectively.

本文用4-苄氧基苯甲酸乙酯和二甲亚砜为原料,在氢化钠存在下反应,合成了(4′-苄氧基)-苯甲酰基-二甲亚砜。研究了该亚砜在浓盐酸的存在下发生的Pummerer重排反应,用重排产物ω-羟基-ω-甲硫基-(4′-苄氧基)-苯乙酮分别与尿素、氨基脲、氨基硫脲和邻苯二胺反应合成了2,4-咪唑啉-二酮、1,2,4-三嗪-3-酮、喹喔啉等含氮杂环化合物。

A process for the carbonylation of allylic butenyl ether (for example, methyl crotyl ether, 3-methoxybutene-1 and mixtures thereof) or mixture of butadiene and alcohol and production of beta-gamma unsaturated carboxylic acid esters (for example, methyl-3-pentenoate) utilizing a rhodium-containing catalyst for example, dicarbonylacetylacetonate rhodium(I or the like promoted with an iodide-containing compound (for example, HI, AlI3, SnI4, TiI4, CrI3, and CoI2 or the like).

一种将烯丙型丁烯基醚(如甲基巴豆基醚、3-甲氧基丁烯-1及其混合物)或者丁二烯与醇的混合物羰基化的方法,以及由含碘化物化合物(如HI、AlI3、SnI4、TiI4、CrI3和CoI2或等效物)促进,用含铑催化剂如二羰基乙酰丙酮酸铑(I或其等效物制备β-γ不饱和羧酸酯(如甲基-3-戊烯酸酯)的方法。

Five chalcones were synthesized via the aldol condensation reaction of acetophenone or parasubstituted acetophenones with 1-phenyl-3-methyl-5-phenoxyl-pyrazol-4-aldehyde, which reacted with two kinds of hydrazine in glacial acetic acid under refluxing to give a series of bipyrazoline derivatives. In this synthetic course, glacial acetic acid is not only a solvent, but also a catalyzer.

以1-苯基-3-甲基-5-苯氧基-吡唑-4-甲醛为原料,与苯乙酮发生羟醛缩合,生成相应的查尔酮,再在冰醋酸中与不同的肼反应,高产率的合成出10种新的5位含1-苯基-3-甲基-5-苯氧基-吡唑基的吡唑啉类衍生物。

Water solubility experimental showed that thesolubility of phosphines in water only containing phosphonic acid group was0.16~0.29 g/mL; After introduction of ethoxylated group, the solubility ofphosphines in water was significantly improved.

水溶性实验表明,仅含膦酸根的膦配体在水中溶解度约为0.16~0.29 g/mL;引入乙氧基后,膦配体的水溶性有明显的改善。

In thesecond chapter, eleven 1,3,4-oxadizoles bearing chiral pyrazolyl moieties(4a-k) andfive triazolotriazines bearing chiral pyrazolyl moieties(5a-e) were obtained from5-[(1"S)-1",2-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde(1) with arylcar-bohydrazide or (5-aryl-1,2,4-triazin-3-yl)hydrazine through an intramolecular1,3-dipolar cycloaddition in the presence of the non-metal oxidant IBD.

其中第二章介绍了以D-葡萄糖为原料制得的5-[(1′S)-1′,2′-二乙酰氧基乙基]-1-苯基吡唑-3-醛(1)分别与芳基甲酰肼、(5-取代苯基-1,2,4-三嗪-3-基)肼反应,在无金属氧化剂—IBD引发下,发生分子内1,3-偶极环加成,采用&一锅煮&法合成了11种含手性吡唑基的1,3,4-噁二唑类化合物(4a-k)和5种含手性吡唑基的三唑并三嗪类化合物(5a-e)。

The improved process produces a polyester of improved color versus other titanyl oxalate catalysts and a novel polyester without the presence of antimony.

此改进的方法制备出一种与采用其它钛氧基乙二酸盐催化剂的方法相比具有改进的色泽的聚酯和一种不含锑的新型聚酯。

All of the tripodal schiff base ligands and their complexes were characterized.

以三乙醇胺、巯基苯胺、巯基乙胺为初始原料,设计合成了六个三脚架结构的化合物,其合成路线如下:三乙醇胺与氯化亚砜反应得到三(2-氯乙基)胺(1),然后与巯基苯胺或巯基乙胺在碱性条件下反应生成三脚架结构的三{[2-(2-氨基苯基)硫代]乙基}胺(2)或三{[2-(2-氨基乙基)硫代]乙基}胺(3),然后再与水杨醛、2-甲酰基-8-羟基喹啉(8)、2-甲酰基-8-苄氧基喹啉(7)反应得到六种新型的含硫西佛碱化合

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