Title of article :
Green synthesis of stable diionic compounds from 4,4,4-trifluoro-1-thiophen-2-yl-butan-1,3-dione and dialkyl acetylenedicarboxylates in the presence of N-heterocycles
Author/Authors :
Bagheri, Mohammad Department of Chemistry - Mahallat Branch, Islamic Azad University, Mahallat, Iran , Ali-Asgari, Safa Department of Chemistry - Shahrood Branch, Islamic Azad University, Shahrood, Iran , Pourshamsian, Khalil Department of Chemistry - Tonekabon Branch, Islamic Azad University, Tonekabon, Iran
Abstract :
Nucleophiles such as pyridine, isoquinoline, or N-methyl-imidazole undergo smooth reactions with dialkyl acetylenedicarboxylates in the presence of 4,4,4-trifluoro-1-thiophen-2-yl-butan-1,3-dione as CH-acid. These reactions give Stable 1,4-diionic compounds in good yields.
Keywords :
Green chemistry , Three-component reaction , Diionic compounds , N-heterocycles
Journal title :
Astroparticle Physics