Synthesis of 4-Amino-6-aryl-2-sulfanylpyridine-3,5-dicarbonitriles
作者:I. N. Bardasov、A. Yu. Alekseeva、D. L. Mikhailov、А. I. Ershova、O. V. Ershov
DOI:10.1134/s1070428020080230
日期:2020.8
Abstract 4-Amino-6-aryl-2-sulfanylpyridine-3,5-dicarbonitriles were obtained in two ways: by nucleophilic substitution of the halogen atom in 2-halopyridines under the action of thiols and by alkylation of pyridine-2-thiones with alkyl halides.
Heterocyclization of arylmethylidene derivatives of malononitrile dimer: synthesis of 4-amino-6-aryl-2-halopyridine-3,5-dicarbonitriles
作者:Ivan N. Bardasov、Denis L. Mihailov、Anastasiya U. Alekseeva、Oleg V. Ershov、Oleg E. Nasakin
DOI:10.1016/j.tetlet.2012.10.015
日期:2013.1
The synthesis of 4-amino-6-aryl-2-halopyridine-3,5-dicarbonitriles from the reaction of arylmethylidene derivatives of malononitriledimer with hydrohalic acid in the presence of an oxidizing agent is described.