在无水甲醇中,在甲醇钠的催化下,丙二腈二聚体的芳基亚甲基衍生物与1,3-环己二酮反应,得到4-氨基-5-芳基-2-甲氧基-6-氧代5,6,7,8,9 ,10-六氢苯并[ b ] [1,8]萘啶-3-甲腈。在苯环中存在强电子给体取代基的情况下,该反应采用另一种途径,从而产生4-氨基-2-芳基-6-甲氧基吡啶-3,5-二腈。
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.
Double heteroannulation reactions of 1-naphthol with alkyl- and arylmethylidene derivatives of malononitrile dimer
作者:Ivan N. Bardasov、Anastasiya U. Alekseeva、Denis L. Mihailov、Oleg V. Ershov、Dmitry A. Grishanov
DOI:10.1016/j.tetlet.2015.02.081
日期:2015.4
The synthesis of 7H-benzo[7,8]chromeno[2,3-b]pyridine derivatives from the reactions of arylmethylidene derivatives of malononitrile dimer with 1-naphthol is described. (C) 2015 Elsevier Ltd. All rights reserved.
One-pot synthesis of 2-(dicyanomethylene)-1,2-dihydropyridine derivatives
作者:Ivan N. Bardasov、Anastasiya U. Alekseeva、Denis L. Mihailov、Oleg V. Ershov、Oleg E. Nasakin、Viktor A. Tafeenko
DOI:10.1016/j.tetlet.2014.03.056
日期:2014.4
The synthesis of 2-(dicyanomethylene)-1,2-dihydropyridine derivatives from the reactions of arylmethylidene derivatives of malononitrile dimers with 1,3-dicarbonyl compounds is described. (C) 2014 Elsevier Ltd. All rights reserved.
MIRC reactions of 4-aryl-2-aminobuta-1,3-diene-1,1,3-tricarbonitriles. Synthesis of 2-amino-6-aryl-5-cyano-4-(dicyanomethylidene)-3-azabicyclo[3.1.0]hex-2-ene-1-carboxylic acid esters and amides
作者:I. N. Bardasov、D. L. Mikhailov、A. Yu. Alekseeva、O. V. Ershov、Ya. S. Kayukov、O. E. Nasakin
DOI:10.1134/s1070428015060056
日期:2015.6
4-Aryl-2-aminobuta-1,3-diene-1,1,3-tricarbonitriles (benzylidene derivatives of malononitrile dimer) reacted with bromo(cyano)acetic acid amide and esters to give the corresponding 2-amino-6-aryl-5-cyano-4-(dicyanomethylidene)-3-azabicyclo[3.1.0]hex-2-ene-1-carboxylic acid amides and esters.
Four component DHARMA-synthesis of some densely functionalized 1,8-naphthyridines
作者:Ivan N. Bardasov、Anastasiya U. Alekseeva、Oleg V. Ershov、Mikhail Yu. Belikov
DOI:10.1016/j.tetlet.2015.08.013
日期:2015.9
We report the one-pot synthesis of the triethylammonium salts of 5,7-diamino-4-aryl-2-(dicyanomethyl)-1,4-dihydro-1,8-naphthyridine-3,6-dicarbonitriles from the reaction of aromatic aldehydes, a malononitrile dimer and triethylamine. (C) 2015 Elsevier Ltd. All rights reserved.