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pd_meltingpoint:275–278 ℃
Purity:99%
InChI:InChI=1/C25H27Cl4N4.HI/c1-5-30-20-12-16(26)17(27)13-21(20)31(6-2)24(30)10-9-11-25-32(7-3)22-14-18(28)19(29)15-23(22)33(25)8-4;/h9-15H,5-8H2,1-4H3;1H/q+1;/p-1
An object of the present invention is to...
The multi-step synthesis of two benzimid...
2-(2'-anilinoethenyl)-5,6-dichloro-1,3-diethylbenzimidazole
5,6-dichloro-2-<1-<3-(5,6-dichloro-1,3-diethyl-2-benzimidazolylidene)propenyl>>-1,3-diethylbenzimidazolium iodide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps
1: 72 percent / acetone / 4 h / Ambient temperature
2: 1.) NEt3, pyridine, 2.) 25percent aq. KI / 1.) reflux, 2.) reflux
With
pyridine; triethylamine; potassium iodide;
In
acetone;
|
5,6-dichloro-1-ethyl-2-methyl benzimidazole
5,6-dichloro-2-<1-<3-(5,6-dichloro-1,3-diethyl-2-benzimidazolylidene)propenyl>>-1,3-diethylbenzimidazolium iodide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps
1: 100 percent / 2 h / 160 °C
2: 1.) NEt3, pyridine, 2.) 25percent aq. KI / 1.) reflux, 2.) reflux
With
pyridine; triethylamine; potassium iodide;
|
ethyl iodide
5,6-dichloro-1-ethyl-2-methyl benzimidazole
ethyl ester of p-toluenesulfonic acid
2-(2'-anilinoethenyl)-5,6-dichloro-1,3-diethylbenzimidazole
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