无机固体酸催化合成橙花素

在一水硫酸氢钠存在下,由β-萘酚和乙醇合成了橙花素(β-萘乙醚).研究了反应的影响因素和催化剂的重复使用性能,当β-萘酚、乙醇和硫酸氢钠的物质的量比为1∶4∶0.44,回流反应12h,醚收率达90.0%.结果表明:硫酸氢钠能够代替硫酸作为醚化催化剂.比较了六水三氯化铁、五水四氯化锡和一水硫酸氢钠催化合成橙花素的催化活性.     

硫酸氢钠催化合成β-萘甲醚

硫酸氢钠能够代替硫酸作为醚化催化剂．在一水硫酸氢钠存在下，由β-萘酚和甲醇合成了β-萘甲醚．研究了反应的影响因素和催化剂的重复使用性能，当β-萘酚、甲醇和硫酸氢钠的物质的量比为1：4：0．29，回流反应14h．醚收率达93.7％．     

消炎止痛解热药萘普酮的合成

本文主要研究用β—萘酚为原料,经溴化、甲基化、格氏反应等合成甲氧基萘醛,用此中间体与丙酮通过克莱森——希米特缩合反应,制取4-(6-甲氧基-2-萘基)-3-丁烯-2一酮,后者经选择氢化反应合成新型的药物——萘普酮.其结构由红外光谱、氢核磁共振谱证实.     

聚醚酮酮／含萘环聚醚酮醚酮酮无规共聚物的合成与表征

通过β-萘酚和4,4′-二氟二苯甲酮的缩合反应,合成了一种新芳醚单体-4,4′-二（β-萘氧基）二苯甲酮,将其在亲电反应条件下和二苯醚、芳二酰氯进行共缩聚反应,制备了聚醚酮酮/含萘环聚醚酮醚酮酮无规共聚物,用IR、WAXD、DS、TG和溶解性试验等方法对其进行了表征。     

增感剂萘取代吡(噻)喃盐的合成

吡(噻)喃高氯酸盐在静电复印感光板上可用作光导聚合物增感剂。为了探索新结构的这类增感剂的性能,我们参考wizingter合成相应苯取代盐的方法以β—萘乙酮为原料制得2,6-二(β-萘基)-4-对甲氧苯基吡喃高氯酸盐(Ⅰ)和2,6-二(β-萘基)-4-对甲氧苯基噻喃高氨酸盐(Ⅱ).其反应原理如下:     

一种高效催化氧化四氢化萘合成α-四氢萘酮的新方法

开发了一种高效、高选择性合成α-四氢萘酮的新方法。在温和条件下,以氧气为氧化剂,NHPI与DADCAQ所组成的非金属有机催化体系能有效催化氧化四氢化萘合成α-四氢萘酮,转化率达88．3％,选择性达86．6％。     

用RMgX和ZnCl_2·TMEDA与烯酮的共轭加成反应合成萘普酮

本文报道了以易得的β-萘酚所制得的2—溴—6—甲氧基萘的格氏试剂与甲基乙烯基酮在znCl_2·TNEDA络合物的作用下,经1,4—加成反应,合成萘普酮的方法,具有线路简单,反应条件温和,收率较高等特点。     

苯并三唑-N-Mannich碱与酮的交换反应

用苯并三唑、甲醛与芳香胺生成的N-Mannich碱,分别与苯乙酮、苯丙酮、β-苯乙酮、α-四氢萘酮进行交换反应,取得了成功。共合成了15个β-芳氨基酮,其中3个为未知物,交换反应在HCl-EtOH存在下于室温进行,具有反应条件温和、方法简便、产率尚可的特点。     

分子内酰基化反应合成新型六环稠杂环化合物

以2-氯甲基-3-苯并喹啉甲酸乙酯（1）为底物与α-萘酚、β-萘酚反应经“一锅法”合成了中间体2-（α-萘氧甲基）苯并[ h]喹啉-3-羧酸（2a）、2-（β-萘氧甲基）苯并[ H]喹啉-3-羧酸（2b）。化合物2a,2b在Eaton′s试剂作用下合成两种新型六环稠杂环化合物萘并[2′,1′,6,7]氧杂卓并[3,4-b]苯并喹啉-7（14H）-酮（3a）和萘并[1′,2′,6,7]氧杂卓并[3,4-b]苯并喹啉-15（8H）-酮（3b）。化合物2a,2b发生分子内傅一克酰基化闭环反应,所合成的新化合物2a、2b、3a、3b的结构经红外光谱、核磁共振谱、质谱及元素分析等得以确认。     

Eu(Ⅲ)β二酮-有机胺配合物的荧光光谱研究

报道了 Eu(Ⅲ)-β二酮-有机胺型配合物的荧光光谱数据,其中β二酮=1呋喃基-3(2-萘基)-1,3-丙二酮(FNP),1-呋喃基-3-对甲氧基苯基-1.3-丙二酮(FMP);1-(2-萘基)-3苯基-1,3-丙二酮(NPP);二萘甲酰甲烷(DNM);而有机胺=二乙胺(L~1),六氢吡啶(L~2),l-苯乙胺(L~3).讨论了不同溶剂,配体对该类型配合物荧光光谱的影响.     

Markedness and its Interpretation in Language Use

Language markedness is a common phenomenon in languages, and is reflected from hearing, vision and sense, i.e. the variation in the three aspects such as phonology, morphology and semantics. This paper focuses on the interpretation of markedness in language use following the three perspectives, i.e. pragmatic interpretation, psychological interpretation and cognitive interpretation, with an aim to define the function of markedness.     

Features of Women's language

Language is a means of verbal communication. People use language to communicate with each other. In the society, no two speakers are exactly alike in the way of speaking. Some differences are due to age, gender, statue and personality. Above all, gender is one of the obvious reasons. The writer of this paper tries to describe the features of women＇s language from these perspectives： pronunciation, intonation, diction, subjects, grammar and discourse. From the discussion of the features of women＇s language, more attention should be paid to language use in social context. What＇s more, the linguistic phenomena in a speaking community can be understood more thoroughly.     

低渗透非均质砂岩油藏启动压力梯度研究

理论推导与室内实验相结合,建立了低渗透非均质砂岩油藏启动压力梯度确定方法。首先借助油藏流场与电场相似的原理,推导了非均质砂岩油藏启动压力梯度计算公式。其次基于稳定流实验方法,建立了非均质砂岩油藏启动压力梯度测试方法。结果表明:低渗透非均质砂岩油藏的启动压力梯度确定遵循两个等效原则。平面非均质油藏的启动压力梯度等于各级渗透率段的启动压力梯度关于长度的加权平均;纵向非均质油藏的启动压力梯度等于各渗透率层的启动压力梯度关于渗透率与渗流面积乘积的加权平均。研究成果可用于有效指导低渗透非均质砂岩油藏的合理井距确定,促进该类油藏的高效开发。     

On Tragic Consciousness In The Works By Ernest Hemingway

As an American modern novelist who were famous in the literary world, Hemingway was not a person who always followed the trend but a sharp observer. At the same time, he was a tragedy maestro, he paid great attention on existence, fate and end-result. The dramatis personae's tragedy of his works was an extreme limit by all means tragedy on the meaning of fearless challenge that failed. The beauty of tragedy was not produced on the destruction of life, but now this kind of value was in the impact activity. They performed for the reader about the tragedy on challenging for the limit and the death.     

Achieving Unusual States of Matter Under High Pressure

正The periodicity of the elements and the non-reactivity of the inner-shell electrons are two related principles of chemistry,rooted in the atomic shell structure.Within compounds,Group I elements,for example,invariably assume the+1 oxidation state,and their chemical properties differ completely from those of the p-block elements.These general rules govern our understanding of chemical structures and reactions.Using first principles calcula-     

Exchange-Correlation and Electronic Excitation Energies from Pairing Matrix Fluctuations

We have developed an adiabatic connection to formulate the ground-state exchange-correlation energy in terms of pairing matrix linear fluctuations.This formulation of the exchange-correlation energy opens a new channel for density functional approximations based on the many-body perturbation theory.We illustrate the potential of such approaches with an approximation based on the particle-particle Random Phase Approximation(pp-RPA).This re-     

Density Functional Theory for the Response of Periodic Systems to Electric Fields Based on the Vector Potential Approach

正The electronic and nuclear(structural/vibrational)response of 1D-3D nanoscale systems to electric fields gives rise to a host of optical,mechanical,spectral,etc.properties that are of high theoretical and applied interest.Due to the computational difficulty of treating such large systems it is convenient to model them as infinite and periodic(at least,in first approximation).The fundamental theoretical/computational problem in doing so is that     

On the Thermodynamic Limit for Responses to Static Electromagnetic Fields

For molecular systems,the quantum-mechanical treatment of their responses to static electromagnetic fields usually employs a scalar-potential treatment of the electric field and a vector-potential treatment of the magnetic field.Although the potential for each field separately is associated with the choice of an(unphysical)origin,the precise choice of the origin for the electrostatic field has little consequences for the results.This is different for the     

Call for Papers

<正>"The Journal of Shanghai Normal University:Mathematics"is published by Shanghai Normal University as regular issues of The Journal of Shanghai Normal University each year from 2014 in English.The editors-in-chief of the issues are professors Yuhao Cong and Maoan Han.The Journal of Shanghai Normal University was started in 1958 with     

Journal of Donghua University ( English Edition) Contents of Volume 31

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