Beckmann相关论文
Project“Engineering Development of New Technology for Gas-Phase Beckmann Rearrangement of Cyclohexan
On November 6,2009 the project “Engineering development of new technology for gas-phase Beckmann rearrangement of cyclo......
芳酰乙酸乙酯在乙氧基镁的作用下与取代的苯甲酰氯反应生成2-取代苯并吡喃酮。2-取代苯并吡喃酮和盐酸羟胺经Beckmann重排反应合成......
基于SOCl2与N-甲基-2-吡咯烷酮(NMP)原位反应生成Vilsmeier试剂,发展了一种条件温和的酮肟Beckmann重排反应,为酰胺或内酰胺的制备......
The “shooting and bouncing rays” (SBR) technique is used to analyze the electromagnetic scatter-ing characters of ocea......
InCl3 catalyzes the reaction of hydroxylamine hydrochloride with a number of aldehydes and ketones under solvent free co......
以多聚磷酸为催化剂,通过环十二碳烯和α,β-不饱和酸的反应,合成了十个双环[10.3.0]十五碳-1(12)-烯-13-酮系列化合物,研究了合成......
Silica sulfuric acid in which sulfuric acid is immobilized on the surface of silica gel via covalent bond has been prove......
不对称的酮与羟胺作用时,生成的酮肟是顺式和反式酮肟的混合物.不同构型酮肟的稳定性与结构中的立体效应和电子效应有关.芳基乙酮......
Serise Headhunter2 spielen mit offenen Karten und frdern dieKarriere nicht nur beimStellenwechsel. ......
1.概述微库仑分析的心脏器件是滴定池。滴定池种类很多,其中Beckmann动态滴定池(三电极滴定池)、原电池法滴定池和Dohrmann动态滴......
EXPRESSION OF TNFα IL-1β、IL-6 mRNA, RELEASE OF TNFα IN VITAL ORGANS AND THEIRRELATIONSHIP WITH ENDOT
This study was designed to systematically investigate expression of TNF α,IL-1β,I1-6 mRNA in the liver,lungs and kidne......
吖啶类化合物是一类颇受人们注意的抗疟药物,具有抗癌活性的吖啶合成也引起了有机化学工作者的极大兴趣。虽然对吖啶的化学已经进......
β-氯代丙酰芳胺与仲胺,或β-二脂氨基丙酰氯与芳胺作用,得到的β-脂氨基丙酰芳胺具有高效麻醉作用。Scott 等人曾在五氯化磷-乙......
Four different ZSM 5 zeolites are tested for the gas phase Beckmann rearrangement of cyclohexanone oxime (CHO) into ......
One-step Beckmann Rearrangement from Ketones and Hydroxylamine in Dry Media under Microwave Irradiat
Ketones react with hydroxylamine hydrochloride over HCOOH/SiO2 under ndcrowaveirradiation to afford anddes in good yield......
本文报道在两相溶剂体系中利用木瓜蛋白酶催化合成Aspartame前体Z－APM的研究。实验结果表明，木瓜蛋白酶在水-正丁醇两相体系具有较好......
环己酮肟Beckmann重排制已内酰胺是重要的工业过程。本文较详细地介绍了不使用浓硫酸催化的反应,主要有气固相反应、固液相反应、......
The 4-acetylaminobenzo[15]crown-5 is an important intermediate in the synthesis of crown ether cyanine dyes1, in additio......
Estimation of kinetics parameters in Beckmann rearrangement of cyclohexanone oxime using genetic alg
Beckmann rearrangement mechanism of cyclohexanone oxime, based on the characteristic of self-catalyzed reaction and poly......
The Effect of Platinum on Stability of the B_2O_3/TiO_2-ZrO_2 Catalyst for Beckmann Rearrangement of
The addition of platinum over the B2O3/TiO2-ZrO2 remarkably enhanced its catalytic stability in the vapor phase Beckmann......
A novel approach for one-step forming ε-caprolactam from cyclohexane nitrozation catalyzed by transi
The nitrozation reaction of cyclohexane in one-step reaction to form ε-caprolactam has been studied using transition me......
One-step Synthesis of ε-Caprolactam by the Liquid Phase Nitrosation of Cyclohexane over the Catalyst
ε-Caprolactam(CL or CPL) is one of the most important intermediates used in polymer industry for the production of seve......
Under mild conditions,conversion of a variety of ketoximes and aldoximes to their corresponding amides and nitriles proc......
Brnsted Acidic Ionic Liquids: Efficient and Recyclable Catalytic Systems for Beckmann Rearrangement
Six Brnsted acidic ionic liquids(ILs) 1a―1f were synthesized and used as the dual solvent-catalyst systems for Beckma......
作者:Franziska Morlok,Till Beckmann出版:Birkhuser Basel(瑞士)在工作中需要运用印刷完成加工的平面设计师总是遇到这样的问......
该文制备了铝钛复合氧化物负载型硼催化剂,并对其环己酮肟气相Beckmann重排反应制备己内酰胺的催化性能进行考察.发现,载体中TiO含......
Ether CAT技术协会(ETG)技术委员会已接受Ether CAT P作为Ether CAT的规范。未来,集成了Ether CAT优势并在同一电缆中实现电力供应......
据德国教师联合会网站2016年12月20日消息,针对今年的教育财政报告,德国教师联合会主席乌多·贝克曼（Udo Beckmann）提出：＂德国教育......
摘要 目的：设计并合成具有潜在生物活性的氮杂甾体衍生物。方法：对文献合成方法进行了适当改进，以去氢表雄酮为起始原料，经过酰化、肟......
本文研究了环已酮肟在 TS—1沸石上的气相 Beckmann 重排反应。实验表明:TS—1沸石对环已酮肟重排为已内酰胺有很高的活性及选择性......
采用分光光度法,以硫酸铁铵为显色剂测定微量环己酮肟.讨论了吸收波长、显色时间、酸量、氧化剂量和显色剂量等对测量结果的影响,......
The Effective Catalyst (Cobalt Salt/Lewis Acid) for Beckmann Rearrangement of Cycloalkanone Oximes t
The Beckmann rearrangement of cyclohexanone oxime was achieved by the combined use of cobalt salt and Lewis acids co-cat......
Beckmann rearrangements of oximes to lactams often require harsh conditions and/or the use of large amounts of acid cata......
Beckmann交通平衡分配模型是研究交通分配问题的基础,然而目前该模型的求解主要依赖于F-W迭代算法和智能优化算法,无法求得精确解......
<正> 曾昭琼先生主编的《有机化学实验》(1987)中,环己酮肟经Beckmann重排制备己内酰胺的实验对学生理解、验证所学的重排反应知识......
<正> 在氧化铝柱上进行Beckmann重排反应,经Craig等证明是一个反应温和,得率高的反应。我们在研究吗啡受体激动剂和拮抗剂的工作中......
<正> E.O.Beckmann 研究由酮中分离醛的方法,已知醛肟可以转化为腈,而酮肟,不能转化为腈。1886年 Beckmann 发现五氯化磷与二苯酮......
现在广泛使用的有机化学实验教材中,关于Beckmann重排反应全是用环己酮为原料与羟氢反应生成环己酮肟,继而在酸性条件下重排成己......
