1) methylized derivatives
甲基化衍生物
1.
Starting from a natural originated anthraquinone emodin, two methylized derivatives, physcion and trimethoxyemodin, were synthesized and their fungicidal and insecticidal activities were evaluated.
在实验室内以天然存在的大黄素(emodin)为原料合成了甲基化衍生物大黄素甲醚(physcion)和三甲氧基大黄素(trimethoxyemodin),并进行了杀菌和杀虫活性研究,发现3个蒽醌类化合物对黄瓜白粉病(Sphaerotheca fuliginea)的活性有明显差异,其EC90值分别为56。
2) methyl derivatives
甲基衍生物
1.
By use of the inductive effect index I, the formula for calculating some bond dissociation energies of CH 3-X is built up, and some bond dissociation energies of methyl derivatives CH 3-X are calculated, its average deviation is 1.
利用诱导效应指数I,建立了计算一些CH3-X的键裂能的方法,并计算了一些甲基衍生物CH3-X的键裂能,其平均偏差为1。
2.
The standard formative heats of some methyl derivatives CH3X(X=F, OH .
利用上式,计算了一些甲基衍生物CH3X(X=F,OH,Cl,NH2,Br,SH,PH2,SeH)的标准生成热,计算结果的平均偏差为1。
3) methyl derivatization
甲基衍生化
4) Permethylated β-cyclodextrin derivative
全甲基化环糊精衍生物
6) triphenylmethyl derivatives
三苯甲基衍生物
补充资料:吡啶烷基衍生物蒸馏残余物氯化苄季铵化物
CAS:97375-31-0
中文名称:吡啶烷基衍生物蒸馏残余物氯化苄季铵化物
英文名称:Pyridine, alkyl derivs., distn. residues, benzyl chloride-quaternized
中文名称:吡啶烷基衍生物蒸馏残余物氯化苄季铵化物
英文名称:Pyridine, alkyl derivs., distn. residues, benzyl chloride-quaternized
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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