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- dialkyl malonate 丙二酸二烷酯
- Keywords tetracarbonyl cobaltate sodium;dialkyl malonates;carbonylation;alkyl chloroacetate; 四羰基钴钠;丙二酸二烷基酯;羰基合成;氯乙酸酯;
- Diaryl nitroxides are even more stable than the dialkyl nitroxides. 二芳基氮氧化物自由基比二烷基氮氧化物自由基还要稳定。
- However, Malon detects Dalan’s trickery due to her clumsy slipup. 大兰破绽百出,被马郎识破。
- Thus the term dialkyl carbonate includes, for example, methyl ethyl carbonate. 因此术语二烷基碳酸酯包括,例如甲基乙基碳酸酯。
- Aside from removing the malonate, how can this inhibition of respiration be overcome? Explain. 除了去掉丙二酸之外,还可以怎样克服这种对呼吸作用的抑制?解释。
- With diethyl malonate as the extractant,the condition of extracting gold the electronic scrap was studied. 研究了采用萃取剂丙二酸二乙酯回收电子废弃物中金的方法。
- Through nitrosation, hydrogenate reducion, and acylate three steps, the yield surpass 80% for the diethyl malonate. 收率相对于丙二酸二乙酯达到了80%25以上。
- This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant. 该方法使用带有二烷基咪唑盐、烷基吡啶盐或者己内酰胺和脂肪酸作为反应物。
- The preparation of 3,5-dinitroacetophenone from 3,5-dinitrobenzoic acid and diethyl malonate has been investigated. 本文采用丙二酸二乙酯合成法,以3,5-二硝基苯甲酸为原料,经酰化、缩合、脱酸等步骤合成了3,5-二硝基苯乙酮。
- The extraction behavior of dialkyl( aryl) Sulfides may be controlled by polar and steric substituents effects. 二烃基(基)醚的萃取行为受极性和空间取代基效应的控制.
- The method for synthesizing dialkyl phosphite from phosphorus trichloride was improved. 对用三氯化磷和醇合成亚磷酸二烷基酯方法进行了改进。
- The purity of final product is 98% with yield up to 96% (in terms of diethyl malonate). 目标产品纯度98%25,产率高达98%25(以丙二酸二乙酯计)。
- In this paper a new method on the Preparation dimethyl malonate has been proposed. 本文通过对丙二酸二甲酯合成新方法的研究,收率达到80%25以上。
- The immediate products of this reaction are alkali-metal derivatives of the dialkyl phenylmalonates. 此反应得到的产物为二烷基苯基丙二酸酯的碱金属盐衍生物。
- We measured the occlusion of W/O emulsion with glutamic acid dialkyl esters by the coalescence of individual drop. 用含有谷氨酸二烷基酯双链型表面活性剂的W/O乳状液,采用逐滴聚结法测定了乳状液的分层包藏量。
- A spray drying process of preparation of diisporopyl malonate with super acid as catalyst was studied. 介绍了一种以喷雾干燥脱水,以超强酸催化酯化合成丙二酸二异丙酯的方法。
- Alkyl balides react with sodium borohydride and selenium in the presence of solid sodium hydroxide to give dialkyl selenides in excellent yields. 在固体氢氧化钠存在下,卤代烃及用氢化钠与硒粉作用,在乙醇溶液中制得二烃基硒醚。
- The functional groups, such as malonate, acetoxyl, and phthalic amide in allene 3, are tolerable under the current conditions. 这种功能基团,像丙二酸根,乙酰氧基和邻苯二甲酰胺,在丙二烯3中在当前条件下可以存在的。
- Inhibition effect of several dialkyl quaternary ammonium salts on aquatic pathogenic bacteria was tested by double dilution method in tubes. 用试管两倍稀释法比较了几种双烷基季铵盐抑制水产动物病原菌生长的实验。