Preparation of 2-unsubstituted 5-aryl(hetaryl)-1-hydroxy-1H-imidazoles from of 4-aryl(hetaryl)-1-hydroxy-2,5-dihydro-1H-imidazole-2-carboxylic acid 3-oxides.

Autor: Nikolaenkova, Elena B., Grishchenko, Stanislav Yu., Rybalova, Tatyana V., Tikhonov, Alexei Ya.
Předmět:
Zdroj: Chemistry of Heterocyclic Compounds; Dec2023, Vol. 59 Issue 11/12, p752-757, 6p
Abstrakt: Alkylaromatic 1-hydroxyamino-2-oximes reacted at the hydroxyamino group with glyoxylic acid hydrate, providing 4-aryl(hetaryl)-1-hydroxy-2,5-dihydro-1H-imidazole-2-carboxylic acid 3-oxides that were converted upon heating into 5-aryl(hetaryl)-1-hydroxy-1H-imidazoles containing a hydrogen atom at the heterocycle position 2. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index