查询词典 Beckmann rearrangement
- 与 Beckmann rearrangement 相关的网络例句 [注：此内容来源于网络，仅供参考]
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The oxime of 10 underwent the abnormal Beckmann rearrangement to yield a major product 12 smoothly.
对11生成的肟进行非正常Beckmann重排反应，顺利地得到了主要产物12（Scheme 4）。
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Under the conditions of acidity and dehydration, the abnormal Beckmann rearrangement usually occurs in α-electrofugally substituted cyclic ketoximes and gives a ring opened alkene-nitrile compound.
一。非正常Beckmann重排反应在甾体-17-酮肟中的应用对甾体18-甲基修饰是制备生物学重要的18-去甲基甾体的有效方法之一。
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To obtained useful chiral multi-substituted alkene-nitrile intermediates, the abnormal Beckmann rearrangement and their applications to the synthesis of the natural products were studied.
用甾体-17-酮肟的非正常Beckmann重排反应生成的相应的烯-腈化合物是合成18-去甲基甾体的重要中间体。
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The abnormal Beckmann rearrangement of steroid-17-one oximes affords the corresponding alkylene-nitrile product as important intermediates for this purpose.
对九个甾体-17-酮肟的非正常Beckmann重排反应研究发现甾体分子上的取代基和立体化学对反应没有明显的影响（Scheme 1）。
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Part Three: Application of the Abnormal Beckmann Rearrangement to the Total Synthesis of the Natural Product Fumagillin Fumagillin is a natural product with efficient antiangiogenesis activity.
Scheme 2 〓三、将非正常Beckmann反应尝试应用于天然产物Fumagillin及衍生物的全合成 Fumagillin是一个具有高效抗新生血管作用的天然产物。
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In addition, the application of the RTILs (BF4, PF6) in the Beckmann rearrangement have been firstly studied. On the conditions of the reducing the oil of vitriol, the effects of the two RTILs in the Beckmann rearrangement have been reviewed and contrast experiment.
另外，首次将咪唑类离子液体应用于Beckmann重排反应体系，考察了在减少发烟硫酸用量的情况下，两种离子液体对Beckmann重排反应的影响并做了空白实验。
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Recent development of vapor - phase Beckmann rearrangement of cyclohexanone oxime to ε-caprolactam catalyzed by molecular sieves was reviewed.
介绍了用以代替浓硫酸催化环己酮肟Beckmann重排反应制己内酰胺的各类分子筛催化剂的研究新进展，并对其反应机理、催化剂的失活与再生、反应新工艺进行了阐述。
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The main by-product s and their separation and recovery technologies were discussed for cyclohexanone gas-phase Beckmann rearrangement.
探讨环己酮肟气相Beckmann重排主要副产物及其分离回收方法，研究1-氮杂-2-乙氧基-1-环庚烯、1，3，4，5-四氧吖庚因-2-酮及其同分异十句体等副产物回收利用生成已内酰胺的方法。
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Room temperature ionic liquids are the hot points of the current research fields of chemistry, chemical engineering and functional materials. Since 1998, the preparation and application of ionic liquids as environmentally benign reaction media and functional material have been carried out in Lanzhou Institute of Chemical Physics. The detailed research work, including the design and preparation of novel ionic liquids, ionic liquid as catalyst and reaction medium in sulfuric acid free Beckmann rearrangement,...
离子液体介质与材料研究是当前化学化工、功能材料的热点领域之一。1998年底以来，我们以发展离子液体清洁反应介质和软功能材料为研究内容，以实现新离子液体的设计与合成，离子液体中无硫酸Beckmann重排反应、非光气异氰酸酯合成、二氧化碳吸收与活化、反应-升华分离一体化，微孔硅胶限制纳米尺度离子液体材料的设计合成和应用及离子液体-电化学技术集成等为目标开展了一系列研究工作并取得良好进展。
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The vapor phase Beckmann rearrangement of cyclohexanone oximeover RBS-1 catalyst was carried out in a continuous flow fixed bed reactor under atmosphere pressure.
在常压连续流动固定床反应装置上，考察了反应温度、环己酮肟质量空速、溶剂种类、环己酮肟浓度、载气流量、水的质量分数等反应条件或反应氛围对环己酮肟气相Beckmann 重排反应的影响。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想，是邓小平经济理论体系中的重要组成部分，是我国经济建设根本任务的一个重要方面。