1) alkyl halide
卤代烷
1.
Of some textbooks of organic chemistry, There is a error in equation for preparing amines from alkyl halides and ammonia.
在某些《有机化学》教科书中 ,卤代烷与氨反应制备胺的反应方程式有误。
2.
The first order index ( 1F Y ), which is easy to calculate and has good discrimination, has excellent correlativity for the standard molar enthalpies of formation and the standard molar free energies of formation of 104 or 85 alkyl halides, their coefficients of correlation are all over 0 99.
用1FY 对 1 0 4种卤代烷呈现唯一性表征 ,其中1FY,1FC 与 1 0 4种卤代烷标准生成焓的复相关系数为 0 9994,与 85种卤代烷标准生成自由能的复相关系数为 0 9989。
3.
Twelve monoalkyl ethers of oligoethylene glycol were synthesized in high yield by phase transfer catalyzed Williamson ether reaction of alkyl halide and oligoethylene glycol.
以寡甘醇和卤代烷为原料 ,利用相转移催化 Williamson法合成了 1 2种寡甘醇单烷基醚 ,均获得较高产率。
2) haloalkane
[,hæləu'ælkein]
卤代烷
1.
Autocorrelation Topological Research of the First Ionization Potentials for Haloalkanes;
卤代烷第一电离能的自相关拓扑研究
2.
987?7)with the standard entropies of 88 haloalkanes.
其中0 TX,1Tc 与 88种气态卤代烷标准熵 (Sθm)显著相关 ,其复相关系数R为 0 9877,明显优于Kier的0 xv,1xv(其R仅为 0 75 97) 。
3) Halohydrocarbon
卤代烷
1.
Study on the Change Rule of the First Ionization Potential for Halohydrocarbon;
卤代烷第一电离能的变化规律研究
4) halon
[英]['heɪlɔn] [美]['helɑn]
卤代烷
1.
This paper describes briefly the fire-extinguishing mechanism of halon extin-guishant and intreduces a few halon substituents widely used in Europe and America.
本文简要论述了卤代烷1211和1301灭火剂的灭火机理及对臭氧层的破坏机制,介绍了几种欧美广泛采用的卤代烷1211和1301替代物的性能,并提出了评价卤代烷1211和1301灭火剂替代物的指标体系。
2.
This peper discusses the hot-points and tendancy of the fire-fighting system in warship,paying more attention to research the displacement for halon.
论述了海军舰船防火灭火系统现状与发展,重点进行了卤代烷灭火系统的替代可行性分析。
6) halogenated methane
卤代甲烷
1.
A study of thermodynamic properties of halogenated methane by the method of chemical bond parameter function
用键参数函数法研究卤代甲烷的热力学性质
2.
Molecular structural parameters including inductive effect index(∑I),equilibrium electronegativity of atom(XE),total electron of atom nuclear external(∑e),total bond length of substituents to center atom(∑d) and electronegativity margin for all substituents(ΔX) were used model the 13C chemical shift of 45 halogenated methane.
利用描述电子效应的诱导效应指数(∑I)、原子的平衡电负性(XE)和反映核外电子云变形程度的总电子数(∑e)、各取代基到中心原子的化学键键长总和(∑d)以及各取代基电负性的和差值(ΔX)等参数对45个卤代甲烷化合物中的碳原子结构进行表征,并与其13CNMR谱化学位移建立了优良的定量结构-波谱关系模型:δC=-7403。
3.
A correlation was investigated between the boiling points and molecular structure of halogenated methanes, and a new method was developed to calculate and predict the boiling points of halogenated methanes.
探讨了卤代甲烷的沸点与其分子结构之间的关系 ,发展了一种既能计算卤代甲烷沸点、又能预测未知卤代甲烷沸点的方法 。
补充资料:格罗夫斯卤代烷合成法
分子式:
CAS号:
性质:醇在卤化锌存在下与氢卤酸一起加热,生成卤代烷收率良好,是合成卤代物常用的方法。
CAS号:
性质:醇在卤化锌存在下与氢卤酸一起加热,生成卤代烷收率良好,是合成卤代物常用的方法。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条