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1)  halogenphthalic anhydride
卤代苯酐
2)  chlorophenylanhydride
氯代苯酐
1.
A series of chloro-1,4-dihydroxyanthraquinones were synthesized by the reaction of hydroquinone with chlorophenylanhydrides and anhydrous aluminium chloride as catalyst according to Friedel-Crafts reaction.
以多种氯代苯酐和对苯二酚为起始原料、无水三氯化铝为催化剂,通过Friedel-Crafts反应合成了多种氯代-1,4-二羟基蒽醌,利用UV-Vis、IR和1HNMR等对制得的化合物进行了结构表征。
3)  chlorophthalic anhydride
氯代苯酐
1.
Synthesis methods for monochlorophthalic anhydride,particularly the process for manufacture of monochlorophthalic anhydride by liquid phase oxidation are reviewed in this paper.
报道以邻二甲苯为原料 ,采用液相空气氧化法制备单氯代苯酐工艺。
2.
A process approaching 3 and 4 chlorophthalic anhydride in high purity via chloriation of o xylene, oxidation of monochloro o xylene by air in gas phase,and separation of 3 and 4 chlorophthalic anhydride afterwards by distillation is described.
介绍由邻二甲苯氯代 ,再经空气氧化及异构体分离合成氯代苯酐中试规模的合成路线。
3.
4-Chlorophthalic anhydride is an important chemical intermediate which is broadly used in producing dyes, plastic, medicines, and pesticides.
4-氯代苯酐是一种重要的化工中间体,广泛应用于染料、塑料、医药和农药等工业上。
4)  bromophthalic anhydride
溴代苯酐
1.
The paper focused on the study of synthesis of bromophthalic anhydride.
以邻苯二甲酸酐为原料,在金属铁作用下,与液溴发生溴代反应,制得溴代苯酐,运用正交试验研究了反应的主要影响因素,得到了较佳制备条件,收率达75。
5)  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。
6)  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。
补充资料:△4-1,2,3,6-四氢化酞酐、△4-四氢苯酐
分子式:
CAS号:

性质:又称△4-1,2,3,6-四氢化酞酐、△4-四氢苯酐。白色结晶性粉末。熔点103~104℃(顺式),闪点157℃,相对密度1.20。微溶于石油醚、乙醚,溶于乙醇、丙醇、氯仿和苯。遇水分解成酸。具腐蚀性。用熔融的顺丁烯二酸酐与丁二烯在苯存在下进行双烯加成反应制得。作为有机合成中间体,用于制取农药克菌丹、敌菌丹;也用作环氧树脂的固化剂、增塑剂及不饱和聚酯树脂、无溶剂漆的胶黏剂。

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