N,N,N^{\prime },N^{\prime }-Tetrabromobenzene-1,3-disulfonamide and poly(N-bromo-N-ethylbenzene-1,3-disulfonamide) as new and efficient catalysts for the synthesis of highly substituted 1,6-dihydropyrazine-2,3-dicarbonitrile derivatives |
| |
| Authors: | Ramin Ghorbani-Vaghei Mostafa Amiri Rahman Karimi-Nami Zahra Toghraei-Semiromi Mehdi Ghavidel |
| |
| Institution: | 1. Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali-Sina University, 65174, Hamedan, Iran
2. Department of Chemistry, Faculty of Science, Urmia University, 57154, Urmia, Iran
|
| |
| Abstract: | Various mono and bis-1,6-dihydropyrazine-2,3-dicarbonitrile derivatives were efficiently synthesized by reacting 2,3-diaminomaleonitrile (DAMN), isocyanides and ketones in the presence of a catalytic amount of $N,N{,}N^{\prime }{,}N^{\prime }$ -tetrabromobenzene-1,3-disulfonamide TBBDA] and poly( $N$ -bromo- $N$ -ethylbenzene-1,3-disulfonamide) PBBS] in EtOH/H $_{2}$ O at ambient temperature. Graphic abstract $N,N,N^{\prime },N^{\prime }$ -Tetrabromobenzene-1,3-disulfonamide and poly( $N$ -bromo- $N$ -ethylbenzene-1,3-disulfonamide) as new and efficient catalysts for the synthesis of highly substituted 1,6-dihydropyrazine-2,3-dicarbonitrile derivatives.  | |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
