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condensation相关的网络例句

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与 condensation 相关的网络例句 [注:此内容来源于网络,仅供参考]

Two novel soluble poly, poly [(3-butyrylpyrrole-2, 5-diyl) p-nitrobenzylidene] and poly [(3-butyrylpyrrole-2, 5-diyl)(3-hydroxy-4-methoxy) benzylidene], were synthesized firstly by condensation of 3-butyrylpyrrole with p-nitrobenzaldehyde and vanillin, respectively.

通过3-丁酰基吡咯单体分别与对硝基苯甲醛和香草醛的缩聚反应,成功合成了两种新型可溶性聚吡咯甲烯衍生物-策[(3-丁酰基吡咯-2,5-二)对硝基苯甲烯]和聚[(3-丁酰基吡咯-2,5-二)(3-羟基-4-甲氧基)苯甲烯]。

The volatile organic compounds produced in the laser-sculpture process of bicolor board were studied using cold trap condensation-gas chromatography-mass spectrometry.

研究了冷阱浓缩气相色谱-质谱法检测双色板在激光工艺雕刻过程产生的挥发性有机污染物的组成。

Starting from 3, 5-dihydroxybenzoic acid, a total of 16 kinds of salicylicaldehyde derivatives have been synthesized by the esterification, substitution, reduction, formylation, condensation, brominate, functional group protection and deprotection reactions, of which 11 have not been reported yet. Enatiomerically pure 2-amino-2'-hydroxy-1, 1'-binaphthyl has been easily obtained from its racemic mixture by the eantioselective formation of inclusion crystals with N-benzylcinchoninium chloride.

树枝状大分子希夫碱三齿手性配体的设计与合成从3,5-二羟基苯甲酸出发,通过酯化、取代、还原、甲酰化、缩合、官能团的保护与去保护等反应合成了四个系列16种水杨醛衍生物,其中11中是未见文献报道的新化合物。

The latest applications of boronic acids as catalyst to organic synthesis are reviewed, focusing on the catalytic activities and reaction mechanism of different catalysts discovered in condensation reaction, carboxylic acid reduction reaction, and Diels-Alder reaction.

吴记勇 ;方浩*;徐文方摘要:综述了有机硼酸类作为催化剂应用于有机合成反应中的最新研究进展,重点介绍了所发现的各种有机硼酸催化剂在缩合反应、羧酸还原反应、Diels-Alder反应中的催化活性以及反应机理。

Bromacil was synthesized using 2-bromobutane and urea as the starting materials in three steps including condensation,cyclization and bromination with total yield of 61%.

以2-溴丁烷和尿素作为起始原料,经缩合、环化、溴代三步反应得到除草定,总收率为61%。

Tar-acenaphthene was used as starting material which was converted to 4,5-dibromo-1,8-naphthalimide through bromination, oxidation, condensation, and other steps.

以焦油苊为原料经溴化,氧化,缩合,等步骤合成了4,5-二溴取代-1,8-萘酰亚胺。

We have designed and synthesized a novel linear conjugated polymer. PQV was obtained via sequentially nitration, reduction, cyclization, bromination and condensation from p-xylene. And the experimental condition was optimized.

本文设计合成了一种新的线型共轭聚合物,以对二甲苯等为原料,通过硝化、还原、关环、溴化、缩聚等反应合成了PQV,并对各单元过程的合成条件进行了优化。

Study on an efficient process for the preparation of trifloxystrobin starting from 2-methylacetophenone bypartial oxidation,esterification,reaction with methoxyamine,bromization and condensation with 3'- acetophenone oxime.

以邻甲基苯乙酮为原料,经过高锰酸钾的碱性氧化,甲醇酯化,再与甲氧基胺盐酸盐肟化后,用N-溴丁二酰亚胺溴化,最后和间三氟甲基苯乙酮肟缩合得到目标产物肟菌酯。

They are derived from the condensation of salicylaldehyde with naphthalidine, 2-cyano-4-chloroaniline, o-Toluidine, N-aminoethylmorpholine, benylamine, butylamine, cyclopentylamine and 3-carboxysalicylidene with N-aminoethylmorpholine, benylamine, 2-hydroxyaminoethylamine, ethylenediamine, respectively.

得到了HL1、HL2和HL3配体的单晶;培养出了HL3~HL6、H2L11的Cu配合物,HL7~H2L11的Co配合物和H2L11的Ni配合物的单晶。此外,以5-溴水杨酸(5-bsa)、2-氨基苯甲酸(2-aba)、六次甲基四胺等为原料,合成了3种过渡金属Ag配合物,并培养出了其单晶。

Methods:The target compound was synthesized using 4-hydrazino-N-methyl-benzyl-sulphonamide hydrochloride and 4,4-dimethoxy-N,N-dimethyl butylamine as the starting materials,PPA and sodium dihydrogen phosphate instead as catalysts and isopropyl ether and acetone as solvents for recrylstallization,via 4-step reactions:condensation,rearrangement,cyclization and salt formtion.

以4-肼基-N-甲基-苄基磺酰胺盐酸盐与4,4-二甲氧基-N,N-二甲基-丁胺为起始原料,改用多聚磷酸和磷酸二氢钠作为催化剂,后处理采用异丙醚和丙酮作为重结晶溶剂,经缩合、重排、环合、成盐的4步反应合成琥珀酸舒马曲坦。

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What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢?

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我,一个心中布满虚荣的女孩子真实的想法。

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