regioselective
英
美
网络 区域选择性; 选择性; 立体选择性
双语例句
- Regioselective Synthesis of 2-O-Vinyl Adipoyl Sucrose Ester Catalyzed by Immobilized Phosphates
固定化磷酸盐选择性催化合成2-O-己二酸单乙烯基蔗糖酯 - The Regioselective Study of Ethyl Levulinate and Benzaldehyde's Nucleophilic Addition Reaction
乙酰丙酸乙酯和芳醛加成反应区域选择性的研究 - The regioselective nitration of toluene and chlorobenzene with nitrates and supported nitrates on solid acid catalysts and supports in the presence of acetic anhydride is studied.
该文讨论了应用固体酸催化剂和载体，在醋酐存在下，采用硝酸盐和载体硝酸盐硝化甲苯和氯苯的选择性。 - Regioselective Nitration of Chlorobenzene in Bronsted Acid Ionic Liquid
Bronsted酸离子液体的制备及其在氯苯选择性硝化中的应用研究 - Regioselective Nitration of Toluene in Ionic Liquid Caprolactam-trifluoromethanesulfonic Acid
己内酰胺三氟甲磺酸离子液体中甲苯的区域选择性硝化 - Regioselective Nitration of Toluene in Ionic Liquid-NO_2/ air Systems
离子液体&NO2/空气体系中甲苯的选择性硝化 - Study on Regioselective Nitration of Aromatic Compounds on Solid Acid Catalysts
固体酸催化剂上芳香族化合物区域选择性硝化反应研究 - Progress on Regioselective Nitration of Toluene
甲苯区域选择性硝化的研究进展 - Regioselective Hydrogenation of 2,3-Pentanedione over Modified Platinum Nanoclusters
金属离子修饰的铂纳米金属簇催化2,3-戊二酮区域选择性氢化 - Progress in application of enzyme-catalyzed regioselective acylation in synthesis of sucrose esters
酶催化选择性酯化在蔗糖酯合成中的应用研究进展 - Studies on the Structure and Synthesis of Arteannuin and Related Compound XXII. The Regioselective Synthesis of Arteannuin D
青蒿素及其一类物的结构和合成的研究XXII.青蒿丁素的区域选择性合成 - Enzyme-catalyzed Regioselective Synthesis of Novel Raffinose Vinyl Esters
棉子糖乙烯酯的酶催化选择性合成研究 - In the first chapter are reported unexpected and highly regioselective acylation and alkylation reactions of a 1-unsubstituted pyrazole derivative, correcting the incorrect results in earlier reports by other authors.
论文第一章主要涉及一种预料之外的1-位未取代的吡唑衍生物的高度区域选择性的酰基化和烷基化反应，纠正了以往文献的错误。 - Recent progress in regioselective synthesis of oligosaccharides with lightly protected glucosamine and galactose as acceptors was also outlined.
本文同时简述了用少保护的半乳糖和氨基葡萄糖为糖基受体合成寡糖的进展。 - Regioselective bromination of aromatic amines
芳胺的区域选择溴化反应 - The process of enzyme catalyzed regioselective acylation and/ or deacylation in sugar ester synthesis, the primary origins of enzymes, the choices of reaction media ( organic solvents), the position in which acylation or deacylation occurred in sugar molecules were summarized.
综述了脂酶催化选择性酰化或脱酰合成糖酯的研究，并对酶的主要来源、反应介质的选择和酰化或脱酰的位置等进行了介绍。 - Regioselective hydrolysis of SIA at C-14 position was explored.
探讨了初始原料SIA的选择性水解反应。 - Regioselective catalysis of solid acid so 2-4/ tio 2 SiO 2 for the Mononitration of toluene
固体酸SO4~（2－）／TiO2－SiO2对甲苯硝化的选择性催化作用 - Alltrans farnesol was synthesized through six steps starting from geraniol in an overall yield of 30%. The key step was the regioselective alkylation of methyl isopropyl ketone.
以香叶醇为起始原料，经6步反应，以总收率30%完成了全反式法呢醇的全合成.合成的关键步骤是甲基异丙酮的区域选择性烷基化。 - Regioselective sulfonation of β-cyclodextrin in an alkaline aqueous solution
碱性水溶液中β-环糊精的选择性磺酰化 - Based on the batch reactor study, the reaction rules and key factors influencing the mono-and diesters regioselective syntheses were investigated.
通过甘露糖月桂酸酯间歇合成反应过程的研究，揭示了单酯及二酯的反应规律及影响区域选择性控制合成甘露糖月桂酸酯的关键因素。 - Efficient regioselective reaction is an atom economy example of the cornerstones in modern synthetic green chemistry.
高效区域选择性是体现原子经济性的绿色化学合成的重要内容。 - Finally, based on NO2+ theory, the article simply discussed the catalytic mechanism of nitration, completed the green nitration and regioselective mono-nitration of aromatics in the microreactor system, had theoretical and engineering practical significance.
从NO2+理论出发，探讨了上述催化硝化反应机理，完成微反应器内芳烃绿色硝化与选择性硝化研究，具有理论和工程实践指导意义。 - In this thesis, we investigated the palladium-catalyzed regioselective C-H bond functionalizations of arenes using free-amine as the directing group.
本论文以氨基作为导向基团，系统地研究了钯催化的芳烃区域选择性的碳氢键官能化反应。 - This reaction needs no catalyst and has high regioselectivity, which leads a new way to the regioselective synthesis of benzophenone derivatives. 3.
该反应无需任何催化剂，并且具有很高的区域选择性，为芳基甲酮类化合物的选择性合成提供了新的思路。 - The effects of the substituents in purine moiety and2 '-substituents in sugar moiety on PEL-catalyzed regioselective acylation of purine nucleosides were studied.
考察了嘌呤环上的取代基及糖环上的2′-取代基对PEL催化嘌呤类核苷区域选择性酰化反应的影响规律。 - Protein binding test indicates that the lysozyme binding activities of regioselective chitosan sulfates are different.
蛋白质结合实验表明不同定位硫酸酯化壳聚糖以及肝素的溶菌酶结合活性存在较大差异。 - This reaction was easily manipulated and high regioselective.
该反应选择性高，操作简便。 - The search for new and efficient strategies for the regioselective synthesis of this type of compounds is of great importance.
因此，寻找新的有效的策略区域选择性的合成此类化合物非常重要。