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- bisdiazo coupling reaction 双重氮偶合反应
- The coupling reaction between the difficult sequence Fmoc-Arg(Pbf)-OH and H-Pro-Trt resin was investigated. 着重研究了Fmoc-Arg(Pbf)-OH与H-Pro-Trt树脂的缩合反应。
- The macrokinetics of CO gas coupling reaction on Pd catalyst was studied in a fixed-bed reactor. 采用固定床积分反应器;研究了自制的负载型钯系催化剂上CO气相催化偶联主、副反应的宏观动力学模型.
- In addition, boric acid and halogenated hydrocarbons aryl the coupling reaction is a C-C bond important ways. 此外,芳基硼酸与卤代烃的偶合反应是形成C-C键的重要途径。
- Synthesize saframine O using o-toluidine as primer reactant by diazotization, coupling reaction, reduction reaction, and oxidation. 研究了以邻甲基苯胺为起始原料,经重氮化、偶合、还原、氧化反应合成藏花红的方法。
- The conditions of silver sulphide dissolving in sodium cyanide have been discussed by the use of thermodynamic principle and coupling reaction. 应用热力学原理和偶合反应的观点对硫化银溶于氰化钠的条件进行了讨论.
- Effects of main reaction conditions such as reaction time to the coupling reaction and the yield of squalene were studied primarily. 通过自制高效偶联试剂三三苯基膦氯化亚钴和自制金合欢基溴的还原偶联反应,成功地合成了角鲨烯。
- The synthesis methods of hexamethyldisilane, such as reductive coupling reaction, Grignard reagent alkylation, electrochemical reduction et al, were recounted in details. 综述了近年来国外关于六甲基二硅烷的合成工艺(还原耦合法、格氏试剂法、电解还原法等);
- Aim:To synthesize new triazene compound. Methods: Nitrogen coupling reaction of the diazonium salt. Results and conclusion: Element analysis and IR data certified the product. 目的:合成三氮烯类新试剂。方法:通过重氮盐的氮偶联反应。结果与结论:元素分析和红外光谱数据证实产物为三氮烯类化合物。
- The application of acid catalysts in the coupling reaction of formaldehyde and methyl formate to form methyl glycolate and methyl methoxyacetate was investigated. 摘要选取不同酸强度的催化剂硫酸、三氟甲烷磺酸、硫酸氢钠和硫酸氢钾,研究了酸催化剂在甲醛与甲酸甲酯偶联合成乙醇酸甲酯和甲氧基乙酸甲酯反应中的作用。
- The synthesis of dimethyl oxalate (DMO) and diethyl oxalate (DEO) by CO coupling reaction in gaseous phase over the supported palladium catalysts was investigated. 在固定床反应器中对钯系催化剂上CO气相催化偶联制草酸二乙酯和草酸二甲酯的空时收率、选择性和CO的转化率进行了实验研究。
- Because of the larger branched chains of POE,the coupling reaction between the macromolecular radicals was substantially inhibited and therefore POE g MAH products with prefer... 酸酐在POE树脂上的接枝率随过氧化物和接枝单体用量的增加而增大。
- Pinacol coupling reaction induced by low valent titanium has higher chemoselectivity and stereoselectivity,and has increasing attracted organic chemists in recent years. 由低价钛络合物诱发的片呐醇偶联反应,具有良好的化学选择性和立体选择性,近几年来又引起有机化学家们的极大兴趣与重视。
- A new electrochemical voltammetric enzyme immunoassay system was investigated based on p-nitrophenyl phosphate (PNPP)-alkaline phosphatase (ALP) coupling reaction. 研究了对硝基磷酸苯酯(PNPP)为底物伏安法测定碱性磷酸酯酶(ALP)的方法。
- Aim:To synthesize new triazene compound. Methods: Nitrogen coupling reaction of the diazonium salt. Results and conclusion: Element analysis and IR data certified the product. 目的:合成三氮烯类新试剂。方法:通过重氮盐的氮偶联反应。结果与结论:元素分析和红外光谱数据证实产物为三氮烯类化合物。
- This paper studies the coupling reaction method of dyeing the wool, i. e. the diazotized wool coupling with Naphtol and the pretreated wool coupling with the diazotized base. 本文探讨了羊毛偶合反应染色新方法,即重氮化羊毛与色酚的偶合染色以及预处理羊毛与重氮化色基的偶合染色。
- Preparation of methyl carbamate is the main content for this paper.At the same time coupling reaction combined with urea and methanol is used in the synthesis of methyl carbamate. 重点研究了氨基甲酸甲酯的合成路线,本文将耦合反应应用于氨基甲酸甲酯的合成反应中,结合尿素醇解法制备氨基甲酸甲酯。
- The effects of cyclohexane and extractive oil on the process and solution behavior of butadiene plymerization and on the coupling reaction process of polybutadiene was studied. 考察了环己烷和抽余油对丁二烯聚合过程以及胶液行为的影响,同时研究了这两种溶剂对聚丁二烯偶联反应过程的影响。
- CuI-catalyzed coupling reaction of electron-deficient aryl iodides with aliphatic primary amines completes at 40 oC under the promotion of N-methylglycine. 空间位阻大的底物则需在较高温度110 oC下完成反应。