环氧乙烷广泛应用于合成乙二醇、二甘醇、三甘醇、乙醇胺、乙二醇醚和乙氧基化合物。
EO is widely used in synthesis of EG, diethylene glycol, triethylene glycol, aminoethyl alcohol, glycol ether, and oxyethylation compounds.
碳酸酯的直接合成可在均相及多相催化体系中进行,负载金属、金属甲氧基化合物及碱均可作为催化剂。
The direct synthesis of carbonates can be carried out both in homogeneous and heterogeneous catalytic systems. Supported metals, metal methoxides and bases can all be used as catalysts.
如果酒中有高含量的甲氧基有机化合物,我们尝起来觉得是酿制酒的水果没有成熟或是质量低劣的。
High levels of chemicals called alkyl-methoxypyrazines can make wines taste as though the fruit from which they were made was under-ripe or low-quality.
在有机合成中引入甲氧基胺基团到酮类(特别是甾族化合物)。用于医药和农药的合成。
Inject the methoxylamine group into the ketone group (esp. The steroid) in the organic synthesis uses for pharmaceutical and agricultural chemicals synthesis.
环氧树脂是化学合成的树脂,它由含环氧基的化合物反应而成。
Epoxy are synthetic resins formed by reactions of compounds containing epoxy groups.
还用IR、粉末xrd方法确证了主体分子与甲氧基欧芹素形成了包结化合物。
The formation of the inclusion compound between host guest molecules was identified by means of IR and powder XRD.
目的探讨芳氧基环氧丙烷与胺发生开环、胺解时生成的低极性化合物的结构。
Aim To separate and determine the less polar compound in the epoxide-opening reaction with the amine.
醛类和其他的羰基化合物,由于烷氧基离子的稳定性,最容易通过本质上是负离子的机理进行聚合。
Aldehydes and other carbonyl compounds are most easily polymerized by essentially anionic mechanisms on account of the stability of alkoxide ions.
新化合物2,3—亚甲基—5,8—二甲氧基萘的合成、结构及反应的研究。
Study on Synthesis, Structure and Reaction ofa New Compound 2, 3 - Methylene - 5, 8 - Dimethoxy Naphthalene.
目的设计合成新型甲氧基咔唑类抗肿瘤化合物。
Aim To design and synthesize new methoxyl carbazole analogues as antitumor compounds.
结果从仙茅中分得4个已知化合物,分别为仙茅苷、仙茅苷乙、仙茅素A及2,6-二甲氧基苯甲酸;
RESULTS 4 known compounds, 2,6-dimethoxybenzoic acid, curculigoside, curculigoside B, and curculigine A were isolated.
本文首先对烯丙氧基苯胺类化合物的合成进行了探索。
Firstly, this paper has probed into the synthesis of allyloxy aniline compounds.
结果表明,萃取物中含有脂肪族结构、芳香结构、大量含氧基团,并含有脂环化合物。
The results indicated that extracts contain aliphatic, aromatic and naphthenic compounds and a large amount of oxygen containing group.
还研究了烷氧基链长、金属离子和分子空间结构对卟啉化合物液晶性能的影响。
The effects of alkoxy chains, metal ions of complexes and molecular space structure on the liquid crystal properties were investigated.
本发明公开了一种节能抗磨剂双磷酸酯多聚乙氧基双咪唑盐化合物及其制备方法。
The invention discloses a biphosphonate polyethoxy diimidazole salt compound as an energy-saving antiwear agent and a preparation method thereof.
本发明公开了一种节能抗磨剂双磷酸酯多聚乙氧基双咪唑盐化合物及其制备方法。
The invention discloses a polyethoxy diimidazole compound as an energy-saving antiwear agent and a preparation method thereof.
方法:以2氨基4 ,5二甲氧基苯甲酸为原料,分别经过环化、氯代、取代等反应,合成了五种目标化合物。
The five quinazoline compounds were prepared by using 2 amino 4,5 dimethoxy benzoic acid as original material, which underwent ring closing, halogenation and substitution.
烷氧基安息香酸类化合物作为一种重要的有机合成中间体,在植物抗菌、医药、农药、染料等领域有广泛应用。
Alkoxy benzoic acids are important intermediates in organic synthesis, applied in various areas of the fine chemical industry, such as herb antibacterial, pharmaceutical, pesticide, dye.
以含环氧基聚二甲基硅氧烷为基胶,以胺类化合物为固化交联剂进行了新型加成型硫化硅橡胶的研究。
By using polydimethylsiloxane containing epoxy groups as base gum, the compounds containing amino groups as crosslinking reagent, a new addition type curable silicone rubber were prepared.
利用某些有机烷氧基金属化合物的热分解,可在玻璃、金属、陶瓷或半导体基片上沉积相应的金属氧化物次级发射膜。
A metal-oxide secondary emission film can be deposited on glass, ceramic or semiconductor substrates by thermal decomposition of an organo-metal alkoxide.
报道了苄氧基甲基-12-冠-3的合成,并以此化合物作载体研制成锂离子选择电极。
This paper describes the preparation of lithium ion selective electrode based on benzyloxymethyl - 12- crown- 3 synthesized.
光解N-甲氧基偕溴代亚胺化合物以高产率获得相应的腈,并在转变过程中小影响对常见脱水剂和卤化剂敏感的官能团。
Photolysis of N-methoxyimidoyl bromides leads to formation of the corresponding nitriles without affecting functional groups sensitive to ordinary dehydrating and halogenating reagents, in high yield.
在三氯氧磷作用下,由芳氧基乙酸和氨基硫脲经脱水环合,微波辐射快速合成了一系列2氨基5芳氧亚甲基1,3,4噻二唑类化合物。
The reaction of aryloxy acetic acid with thiosemicarbazide in the presence of dehydrating agent, POCl_3, affords a series of 2amino5aryloxymethyl1,3,4thiadiazoles under microwave irradiation (MWI).
本课题以二茂铁为原料,与邻甲氧基苯甲酰氯反应生成邻甲氧基苯甲酰基二茂铁,再与一系列胺反应合成亚胺,最终还原为二茂铁氨基化合物。
The title compounds were obtained by the reduction of the corresponding ferrocenyl imines, which were prepared from ferrocene and o-anisic acid chloride, followed by amination with aromatic amines.
本论文合成了一系列苯氧基(苯胺基)多元羧酸化合物。
In this paper, we synthesized a series of phenoxy-(phenylamino) polycarboxylic compounds.
其中,化合物1是一个以线性四核铜配合物为基本单元的一维链聚合物,此时水杨醛缩苯氧基乙酰腙配体L1是五啮配体。
The adjacent complex molecules 1 are linked by N-N bridge of the pentadentate ligand L1, resulting in an one-dimensional polymer.
因此,7 -甲氧基黄酮及衍生物很有可能成为新型结构的抗癌先导化合物。
Therefore, 7-methoxy flavone and its derivatives can be promising antitumor lead compounds.
结果分离鉴定了2个二苯酮化合物,其结构分别为2 甲氧基- 3, 4 -亚甲二氧基-二苯酮(I), 4 羟基-2, 6 -二甲氧基-二苯酮(II)。
Results A new benzophenone was isolated and identified as 2-methoxy-3,4-methylenedioxy-benzophenone (I), along with a known compound 4-hydroxy-2,6-dimethoxy-benzophenone (II).
氢氧化物:包含一个或几个由一个氢原子和一个氧原子组成的官能团的化合物,氢和氧原子键合在一起以氢氧基团或氢氧阴离子(OH-)的形式起作用。
Hydroxide: Any compound with one or more functional groups made up of one atom each of hydrogen and oxygen, Bonded together and acting as the hydroxide anion (OH -).
提供了用于递送活性剂的氰基苯氧基羧酸化合物及其组合物。
Cyanophenoxy carboxylic acid compounds and compositions for the delivery of active agents are provided.
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