1) dichlorobenzaldehyde
二氯苯甲醛
1.
The dichlorobenzaldehyde which mainly includes two sorts of isomerides was used as crude materials,after being acetalated with ethyleneglycol and fractional distillated,2,3 dichlorobenzaldehyde ethyleneglycol acetal and 2,5 dichlorobenzaldehyde ethyleneglycol acetal with high purity have been produced.
以主要含有两种异构体的二氯苯甲醛为原料 ,经与乙二醇缩醛化反应并分馏得纯度较高的 2 ,3 二氯苯甲醛乙二醇缩醛及 2 ,5 二氧苯甲醛乙二醇缩醛 。
2) 2,6-dichlorobenzaldehyde
2,6-二氯苯甲醛
1.
Kinetics of halogen-exchange fluorination of 2,6-dichlorobenzaldehyde;
2,6-二氯苯甲醛卤素交换氟化动力学研究
3) 2,3-dichlorobenzaldehyde
2,3-二氯苯甲醛
1.
2,3-Dichlorobenzoic acid was prepared through diazotization and Meerwein reaction to give 2,3-dichlorobenzaldehyde from 2,3-dichloroaniline and followed by oxidation with potassium permanganate,and the overall yield was 45%.
笔者用2,3-二氯苯胺经重氮化、迈尔瓦音反应制得2,3-二氯苯甲醛,再经高锰酸钾氧化制得2,3-二氯苯甲酸,总收率45%。
4) 2,4-dichlorobenzaldehyde
2,4-二氯苯甲醛
1.
In this article, 3-chloro-4-methyl aniline is used as initial material, and 2,4-dichlorobenzaldehyde is synthesized through 4 steps of diazotization, sandmeyer reaction, chlorination and hydrolysis.
2,4-二氯苯甲醛是杀菌剂烯唑醇等农药品种的有机中间体。
2.
An analytical method of 2,4-dichlorobenzaldehyde by RP-HPLC has been established.
建立了对2,4-二氯苯甲醛含量进行测定的反相高效液相色谱法。
5) 4-dichlorobenzaldehyde
4-二氯苯甲醛
6) 3,4-Dichlorobenzaldehyde
3,4-二氯苯甲醛
补充资料：二氯苯甲醛
分子式：Cl2C6H3CHO
CAS号：
性质：有2,3-；2,4-；2,5-；2,6-；3,4-；3,5-六种可能存在的异构体。他们是由相应的二氯甲苯经侧链氯化、水解或直接氧化制得。用作染料中间体。2,6-二氯苯甲醛也用作杀菌剂及用于制造除草剂2,6-二氯苯腈。
CAS号：
性质：有2,3-；2,4-；2,5-；2,6-；3,4-；3,5-六种可能存在的异构体。他们是由相应的二氯甲苯经侧链氯化、水解或直接氧化制得。用作染料中间体。2,6-二氯苯甲醛也用作杀菌剂及用于制造除草剂2,6-二氯苯腈。
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