【摘 要】
：
A novel liquid crystal compound with a carboxyl group at one end, cholest-5-en-3-ol- (3β) hydrogen decanedioate (1) was successfuly prepared by the reaction o
【出 处】
：
Chinese Chemical Letters
论文部分内容阅读
A novel liquid crystal compound with a carboxyl group at one end, cholest-5-en-3-ol- (3β) hydrogen decanedioate (1) was successfuly prepared by the reaction of cholesterol with sebacoyl chloride. Its chemical structure and liquid crystalline properties were characterized by FTIR, CNMR, 1HNMR, POM and DSC. The compound with an active carboxyl group shows 13 themortropic liquid crystalline behaviour.
A novel liquid crystal compound with a carboxyl group at one end, cholest-5-en-3-ol- (3β) hydrogen decanedioate (1) was successfuly prepared by the reaction of cholesterol with sebacoyl chloride. were characterized by FTIR, CNMR, 1HNMR, POM and DSC. The compound with an active carboxyl group shows 13 themortropic liquid crystalline behavior.
其他文献
有个公司的技术支持人员非常喜欢在办公室里抽烟。一天，他电脑的键盘有一些键被烟灰阻塞了。他问别人怎么办，别人就向他演示如何将键盘反转过来，在桌子上敲打。问题就这样轻易得
Diamond films with high infrared transmittance have been successfully deposited using CH3OH-H2 gas mixtures through microwave plasma enhanced chemical vapor dep
美籍华人李慈雄,斯米克集团总裁,1956年出生于台湾,毕业于美国斯坦福大学,获得博士学位。在浦东开发开放之初, 李慈雄力排众议,卖掉美国的别墅,携家带口赴浦东投资。李慈雄带
Intel和AMD已为我们提供了速度达到1GHz的Pentium Ⅲ和Athlon处理器,为了让这些极速CPU能够充分稳定地释放出它们的最大效能,选择一款高品质的主板是至关重要的。本刊评测实
2000年5月,联想东芝推出了5款最新笔记本电脑系列产品,包括Satellite、Satellite Pro、Portage和Tecra。其中,最令人兴奋不己的莫过于堪称“高端之颠”的Tecra 8100F。在笔
2008年真是无比热闹的一年,一幕幕人间大戏全部上演:石油涨价、粮食涨价、原材料涨价;地震、雪灾、水灾;藏独、台独、东突;股票坐过山车;奥运会;由“次贷危机”引发的全球性
广义Mises准则满足八面体面上的剪应力和正应力之比为常数,SMP(Spatially Mobilized Plane)准则满足空间滑动面上的剪应力和正应力之比为常数,那么对于包含或逼近现有非线性
一次观摩活动的内容是小班音乐游戏“摸摸鼻子”。游戏是这样的:地上画有一个大大的圆圈,圆圈上贴有一朵花,叫作幸福花。孩子们依次围着圆圈边唱边走着做动作。歌词是这样的:“摸摸鼻子摸摸鼻子拍拍手……”孩子们连续唱十遍。当歌曲唱完的时候,谁踩在幸福花上,谁就要创编歌词和动作。面对众多前来观摩的同行,作为执教者的我非常希望踩在幸福花上的是班里最能干的孩子,使创编歌词和动作的环节能够顺利进行下去,并能展示班级
A two-dimensional cellular automaton method was used to simulate grain growth during the recrystallization annealing of deep-drawing sheet Stl5, taking the simu
To further explore the potential of DCK analogs as anti-HIV drug candidates, ten new tri-substituted (3′R,4′R)-3′,4′-di-O-(S)-camphanoyl-(+)-cis-khellactone