1) tetrahalogenated benzene
四卤代苯
2) chlorobenzene
[英][,klɔ:rə'benzi:n] [美][,klɔro'bɛn,zin, -bɛn'zin, ,klor-]
卤代苯
1.
The toxicity-lgNOEC of 17 chlorobenzenes to the bacteria in the Yangtze River was determined by using the bacteria growth inhibition test,and the range of toxicity was from 4.
本文采用细菌生长抑制实验,测定了17种卤代苯对长江水中混合细菌的慢性毒性,得到-lgNOEC值,毒性范围在4。
3) halogeno benzene
卤代苯
1.
The best predicted model was reported for the toxicity of halogeno benzene and phenol derivatives.
应用支持向量回归算法(SVR),以按非氢原子分类的分子电性距离矢量(H-MEDV)为参数,通过参数的优化,建立了几种更强的预测模型,预测了卤代苯和苯酚衍生物的毒性,并根据H-MEDV参数原理对预测结果进行了初步探讨。
4) monohalogeno-benzene
一卤代苯
1.
Natures of monohalogeno-benzene and halogeno-toluene have been calculated with method of RHF.
采用RHF法对一卤代苯和卤甲基苯进行了计算,得到了它们的基态能量、原子电荷、键长、键角、偶极距、多极距、分子轨道组成和能级等。
5) halogenated benzene
卤代苯
1.
The theoretical study on the Ullmann reaction activity of halogenated benzene;
卤代苯Ullmann反应活性的理论研究
2.
The relationship between the boiling point ,flashing point and molecular structure of 30 halogenated benzenes and halogenated benzaldehydes was studied by using quantitative structure-property relationship technique.
运用定量结构-性质相关技术研究了30种卤代苯、卤代苯甲醛化合物的沸点和闪点与分子结构间的定量关系,结果表明,卤代苯和卤代苯甲醛的沸点和闪点与基团染色指数具有显著相关性。
3.
In this paper,24 toxicity data of halogenated benzene and their derivatives to Photobacterium Phosphoreum are studied by CoMFA,while the obtained CoMFA model has good self-consistency and predictive capacity.
用比较分子场 (CoMFA)方法分析了一组卤代苯及其衍生物对发光菌的毒性数据 ,所建立的CoMFA模型有很好的自身一致性和较强的预测能力 。
6) halogenphthalic anhydride
卤代苯酐
补充资料:2-卤代噻唑
分子式:
CAS号:
性质:2-氯噻唑沸点145℃;溶于乙醇、乙醚,微溶于水。2-溴噻唑,沸点171℃。密度1.820g/cm3。折射率()1.5930。分子中的卤原子易被亲核试剂(如CH3O-)置换。用锌和乙酸还原,或用瑞尼镍[Ni(R)]催化氢化,则脱去卤原子成噻唑。用氯或溴与噻唑在气相条件下直接卤化制取时;产率低;一般用2-氨基噻唑经重氮化及桑德迈尔反应(sandmeyer reaction)制取。利用卤原子的活泼性以制取其他衍生物。
CAS号:
性质:2-氯噻唑沸点145℃;溶于乙醇、乙醚,微溶于水。2-溴噻唑,沸点171℃。密度1.820g/cm3。折射率()1.5930。分子中的卤原子易被亲核试剂(如CH3O-)置换。用锌和乙酸还原,或用瑞尼镍[Ni(R)]催化氢化,则脱去卤原子成噻唑。用氯或溴与噻唑在气相条件下直接卤化制取时;产率低;一般用2-氨基噻唑经重氮化及桑德迈尔反应(sandmeyer reaction)制取。利用卤原子的活泼性以制取其他衍生物。
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