1)ring-enlargement扩环反应
1.One-step synthesis of oxo-crown ethers by catalytic ring-enlargement of γ-butyrolactone with propylene oxide;利用环氧丙烷对γ-丁内酯的催化扩环反应一步法合成内酯型冠醚
2.1) The reactions of methylenecyclopropanes with phenylsulfenyl chloride, phenylselenyl chloride and diphenyl diselenide; 2) The coupling reactions of the ring-opening products derivated from methylenecyclopropanes; 3) The palladium-catalyzed ring-enlargement of mono-aryl group substituted methylenecyclopropanes to cyclobutenes.本论文主要研究了亚甲基环丙烷类化合物(MCPs)的一些化学反应性能,共由以下六部分组成:1、亚甲基环丙烷类化合物与苯硫氯、苯硒氯及二苯基二硒的反应;2、亚甲基环丙烷类化合物开环产物的偶联反应;3、单芳基取代的亚甲基环丙烷类化合物在钯催化剂作用下的扩环反应;4、金化合物催化磺酰胺对亚甲基环丙烷类化合物的串联开环关环氨氢化反应;5、路易斯酸催化亚甲基环丙烷类化合物与丙酮二羧酸二乙酯在有水存在下的反应;6、醋酸碘苯促进的亚甲基环丙烷类化合物、亚乙烯基环丙烷类化合物及亚甲基环丁烷类化合物与邻苯二甲酰肼的新型1,3-偶极环加成反应。
3.In this paper, a process for one-step synthesis of oxo-crown ethers by ring-enlargement reaction ofγ-butyrolacton.本文主要研究在Al-Mg基复合物为基础的催化剂催化条件下,环氧烷烃嵌入γ-丁内酯(GBL)经扩环反应一步法合成内酯型冠醚,该合成方法新颖,步骤简捷。
英文短句/例句
1.The Radical Chain Extension and Ring Expansion of 1,3-Diketones;1,3-二酮的自由基链增长和扩环反应
2.Studies on Ring-Expansion Reaction of Cyclobutenone via Li/I Carbenoids;锂碘类卡宾与环丁烯酮扩环反应的研究
3.One-step Synthesis of Oxo-crown Ethers by Catalytic Ring-enlargement of γ-but-yrolactone Inserted by Alkylene Oxide;环氧烷烃嵌入γ-丁内酯经扩环反应一步法合成内酯型冠醚
4.Revamping design of EO hydration reactor环氧乙烷非催化水合反应器扩能改造设计
5.Molecular Simulation of Adsorption and Diffusion in Epoxidation of Propylene by Catalysts;丙烯催化环氧化反应吸附扩散的分子模拟研究
6.Molecular Simulation Research on Mechanisms of Adsorption、Reaction and Diffusion of Cyclohexanone Ammoximation over Titanium Silicalite-1;环己酮催化氨肟化中吸附和反应及扩散机理的分子模拟
7.The Expression of CK19 in Sentinel Lymph Node of Patient with Breast Cancer Detected by Loop-mediated Isothermal Amplification;环介导的等温扩增反应检测CK-19基因在乳腺癌哨兵淋巴结的表达
8.DIFFUSIVE APPLICATIONS OF A CLASS OF PREDATOR PREY MODEL WITH BEDDING FUNCTIONAL RESPONSE OVER TWO PATCHES一类带Bedding反应函数的捕食模型在不同斑块环境中的扩散作用
9.The Curing System of Epoxy Resin/Dicyandiamide Toughed by Chain-extended Urea Containing HTPB含HTPB的扩链脲改性环氧树脂/双氰双胺固化体系反应活性研究
10.The area extension of the anticyclonic wind stress curl is beneficial to the formation and development of the anticyclonic circulation to the west of Luzon Island.反气旋风应力涡度范围的扩展有助于吕宋岛以西反气旋环流系统的形成和发展.
11.Torous-like Chemical Oscillation Induced by Heat Conduction-diffusion Coupling between Chemical Reaction System and Related Environment;化学反应体系与环境传热—扩散耦合导致的环面型化学振荡行为分析
12.primary circular reaction初期循环反应 初期循环反应
13.Role of prostacyclin in echocardiographic evaluation of epicardial coronary vasodilation induced by reactive hyperemia in dogs前列环素在超声心动图检测冠状动脉反应性充血扩张中作用的实验研究
14.Culture and Expansion of Mesenchymal Stem Cells in Air-lift Loop Hollow Fiber Membrane Bioreactor;气升式环流中空纤维膜生物反应器内骨髓间充质干细胞的培养与扩增
15.The Study on the Chain Extension of PET during Reactive Extrusion and the Synthesis of Chain Extender;PET的反应挤出扩链及扩链剂的合成研究
16.Reaction System and Amplification Process of ISSR Amplification of Lonicera macranthoides灰毡毛忍冬ISSR扩增的反应体系和扩增程序研究
17.Refraction of reaction-diffusion plane wave for different diffusion coefficients在不同扩散系数下反应扩散平面波的折射
18.Study on Extending Chain Reaction of R-PET in Reactive Extruded Processing反应挤出过程中回收PET扩链反应的研究
相关短句/例句
ring enlargement环扩大反应
3)Ring-enlargement-oxidation扩环氧化反应
4)Loop-mediated isothermal amplification(LAMP)环介导恒温扩增反应
5)chain extension扩链反应
1.Study on chain extension of L-lactic acid oligomer with isocyanateL-乳酸低聚物的异氰酸酯扩链反应工艺研究
2.The optimal conditions for chain extension and the optimal amount of chain extender were obtained through analysis.用化学反应平衡的方法对开环扩链型扩链剂的增粘作用进行理论分析 ,推导出扩链剂用量与聚酯特性粘数变化的关系 ,发现反应平衡常数直接影响扩链效率 ;分析了实现扩链的必要条件和扩链剂的最佳投料量 ;利用推导出的理论关系计算出常见扩链剂参与扩链反应的平衡常数。
6)chain-extending reaction扩链反应
1.Polyesteramide PBEA with high molecular weight was synthesized by a chain-extending reaction from the HO-terminated PBEA prepolymer with terephthaloyl bis-caprolactamate(TBC) as chain-extender under reduced pressure in bulk state.研究了预聚体分子量、扩链剂/预聚体摩尔比、反应温度等因素对扩链反应的影响。
2.The chain-extending reaction of PBA prepolymers with tricaprolactamyl phosphite(TCP) was carried out under a reduced pressure.研究了扩链温度、扩链剂用量、预聚体的结构和制备方法等对扩链反应的影响。
3.The chain-extending reaction of HO-PLA-OH or HO-P(LA/CP)-OH with terephthaloyl-biscaprolactamate(TBCL) was studied.以对苯二甲酰双己内酰胺(TBCL)为扩链剂,研究了扩链温度、预聚体结构、扩链剂/预聚体配比、扩链时间等对扩链反应的影响。
延伸阅读
硝酸、环十二烷醇、环十二烷酮的反应产物高沸点馏分CAS: 72162-23-3 分子式: C12H24O·C12H22O·HNO3 熔点: 85-95℃ 中文名称: 硝酸、环十二烷醇、环十二烷酮的反应产物高沸点馏分 英文名称: Nitric acid, reaction products with cyclododecanol and cyclododecanone, by-products from, high-boiling fraction Cyclododecanol, cyclododecanone, nitric acid reaction product, high-boiling fraction