The invention belongs to the technical field of oxidation synthesis and discloses a chemical method for high-selectivity oxidation and oxygen-adding open loop of catechol substance.
本发明属于氧化合成技术领域,公开了一种邻苯二酚类物质高选择性氧化和加氧开环的化学方法。
In recent years, it was extensively used to investigate the synthesis of many carbonyl compounds by catalytic oxidation of alcohols at abroad.
近几年来,在国外它被广泛地用于催化氧化醇类以合成羰基化合物的研究。
This paper briefly introduced the green oxidation of hydrogen peroxide in Flavor synthesis.
本文介绍了近年来过氧化氢绿色氧化在香料合成中的应用。
The oxidation of secondary alcohols play an important part in organic synthesis.
醇的氧化在合成化学中具有很重要的位置。
In this paper the synthesis processes by 2 butanone oximation and gas phase oxidation of isobutyraldehyde were introduced. The influence factors in the process were discussed.
本文介绍了2 -丁酮肟化法及异丁醛气相氧化法合成丁二酮,并对其影响因素进行了讨论。
The experiment results show that a 1 is a good PTC for synthesis of ONBA with o nitrotoluene by oxidation of potassium permanganate.
实验结果表明,季铵盐a1对于高锰酸钾氧化邻硝基甲苯合成邻硝基苯甲酸,是1种优良的相转移催化剂。
This review deals with the recent progress in asymmetric synthesis using chiral polymeric reagents and catalysts for oxidation, reduction, alkylation and addition of prochiral compounds.
本文综述了应用手性高分子试剂和催化剂对潜手性化合物通过不对称氧化、还原、烷基化、加成反应进行不对称合成的进展情况。
By the comparison of different synthesis methods, the method of oxidation of chlorotoluenes using metalloporphyrins as biomimetic-catalysis showed better prospect.
通过对几种合成方法的比较得知,仿生催化氧化氯代甲苯制备氯代苯甲酸是一种比较有前途的方法。
One step oxidation of benzene to phenol has been a challenging subject in organic synthesis.
苯一步氧化制苯酚,是有机物氧化合成中富有挑战性的研究课题之一。
Using the orthogonal test , the synthesis of pyrocatechol and hydroquinone by catalytic oxidation of phenol by inorganic salts has studied.
采用正交试验的方法,研究了在无机盐催化剂作用下苯酚双氧水直接氧化制取邻、对苯二酚的合成技术。
A coenzyme present in all living cells that functions as an acyl group carrier and is necessary for fatty acid synthesis and oxidation, pyruvate oxidation, and other acetylation reactions.
所有活细胞中的辅酶,起酰群载体作用,肪脂酸的合成和氧化、丙酮酸酯的氧化和其他工酰基反应中不可缺少。
To maximize the production capability ofp-xylene oxidation reactor, the method of reactor network synthesis was proposed to optimize network combinations of multi-reactors.
为了获得对二甲苯氧化反应器的最大生产能力,采用反应器合成的方法对多个氧化反应器组成的网络进行了优化研究。
As oxidation is widely used in the synthesis of fine chemicals, employing green methods into oxidation processes can effectively reduce the pollution and improve the atom economy.
氧化反应广泛应用于精细化学品的合成中,对氧化过程实现绿色化可有效地减少精细化学品合成中的污染物排放,提高其原子经济性。
The novel methods for synthesis of ethoxylated fatty alcohol carboxylate (AEC) by catalytic oxidation with a stable free radical nitroxide or a noble metal catalyst were reviewed.
详细介绍了氮氧自由基催化氧化法和贵金属催化氧化法合成脂肪醇醚羧酸盐。
The view point of oxidation (composing) and reduction (decomposing) can not only explain the creation of natural diamond but also diamond conversion mechanisms such static synthesis CVD method etc.
氧化(化合)—还原(分解)的论点,不仅解释天然金刚石的生成,也可解释静压合成、气相法等多种方法中金刚石的转化机理。
And gave a brief introduction of a novel technology for green synthesis of chlorobenzoic acids by dioxygen oxidation of chlorotoluenes using metalloporphyrins as biomimetic-catalysis.
重点阐述了氯代苯甲酸的一系列合成方法,并简要介绍了金属卟啉模拟酶仿生催化氧气氧化氯代甲苯绿色合成氯代苯甲酸的新方法。
Some catalytic systems for the synthesis of glutaraldehyde by one step catalytic oxidation of cyclopentene and hydrogen peroxide in a non water solvent were studied.
对在非水溶剂存在下过氧化氢一步催化氧化环戊烯制备戊二醛过程中的催化体系进行了研究。
The optimal conditions for synthesis of alkali green 4 are reported, including the carbamide and zinc chloride as catalyst, chloranil and bichrome as oxidation agent in the acetic acid medium.
报道了合成碱性绿-4的最佳条件:在醋酸介质中,尿素、氯化锌为催化剂,四氯苯醌和重铬酸钾为氧化剂;
In organic synthesis, chloromethylation of aromatic compounds and oxidation of benzylic halides to aromatic aldehydes or aromatic ketones are extremely important reactions.
在有机合成中,芳环化合物的氯甲基化和将苄基卤氧化成芳醛或芳酮是一类极其重要的反应。
The synthesis ofm—Cresol from o—toluic acid by air oxidation was studied in a 1 liter reactor under vigorous stirring conditions in order to eliminate film resistances.
在容积1升的反应釜中,在剧烈搅拌以消除膜阻的条件下研究了邻甲基苯甲酸空气催化氧化制间甲酚的反应。
Using micro-arc oxidation on steel in-situ synthesis ceramics coating, nobody study this at home, also few people study abroad.
在钢铁表面进行微弧氧化,原位生成陶瓷膜,国内还没有人研究,国外研究的也很少。
Synthesis of perillaldehyde via selective oxidation of perilla alcohol by supported CrO3/SiO2 oxidant is studied in this paper.
研究了紫苏醛*醇选择氧化合成紫苏醛*的反应,考察了氧化剂负载量、氧化剂用量和反应温度对紫苏醛*产率的影响。
METHODS: Electrophilic substitution, reduction, oxidation and nucleophilic addition reaction were used in the synthesis of title compounds.
方法:通过亲核取代、还原、氧化、亲核加成等反应得到目的化合物。
The invention relates to a catalytic oxidation system and the application thereof in the synthesis of Tazobactam.
本发明涉及一种催化氧化体系及其在他唑巴坦合成中的应用。
This article reviews the synthesis of hydroxamic acid, and its new applications in the fields of catalytic oxidation as well as highly selective complexation with metal ions.
综述了异羟肟酸类化合物的合成及其近年来在催化氧化和高选择性络合金属离子的应用研究新进展。
The Selective oxidation of alcohols to the corresponding carbonyl compounds is a key process in organic synthesis and plays a central role in the fine chemicals industry.
选择性氧化醇类至羰基化合物是有机合成中的一个重要反应,其在精细化学品工业中具有关键的作用。
Based on correlative references, catalytic oxidation and reformation of methane, carbon dioxide, and oxygen to synthesis gas by Ni-based catalysts was studied in this paper.
本论文在参考相关文献的基础上,对甲烷、氧气和二氧化碳催化氧化重整制合成气镍基催化剂进行了研究。
A thermodynamic analysis of synthesis process of DMC by oxidation carbonylation of methanol was carried out with the emphasis on calculations of equilibrium constants and conversions for the reaction.
对甲醇氧化羰基化合成DMC的过程进行了热力学分析。着重计算了合成反应的平衡常数和平衡转化率。
There are three approaches to produce synthesis gas from methane, namely, reforming with H_2O (steam reforming), with CO_2 (CO_2 reforming), and partial oxidation.
甲烷重整制合成气有三条路径:水蒸气重整,二氧化碳重整和部分氧化。
There are three approaches to produce synthesis gas from methane, namely, reforming with H_2O (steam reforming), with CO_2 (CO_2 reforming), and partial oxidation.
甲烷重整制合成气有三条路径:水蒸气重整,二氧化碳重整和部分氧化。
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