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21722-08-7

1-Phenyl-1H-iMidazol-2-aMine synthesis

2synthesis methods
-

Yield:21722-08-7 72%

Reaction Conditions:

with copper(l) iodide;8-quinolinol;caesium carbonate in ethanol at 80; for 16 h;Solvent;

Steps:

1.1.1.3; 2.1.1.3; 3.1.1.3; 4.1.1.3

dissolving 2-amino-1H-imidazole and iodobenzene in absolute ethanol,Reaction at 80 ° C for 16h under the action of a catalytic system, cooling to 50 ° C,The reaction solvent was drained under vacuum, and extracted with dichloromethane several times, and centrifuged.A green dichloromethane extract is obtained. After the extraction is complete, the extract is collected.And dried under vacuum to obtain a crude product, which was recrystallized from a toluene / n-hexane mixed solution,1-phenyl-1H-imidazol-2-amine was obtained as a pale green crystal with a yield of 72%.

References:

CN110396116,2019,A Location in patent:Paragraph 0082; 0087; 0094; 0099; 0106; 0111; 0118; 0123