%0 Journal Article %T Efficient production of 2-amino-4H-chromenes and 14-aryl-14H-dibenzo[a, j]xanthenes catalyzed by N, N-diethyl-N-sulfoethanaminium hydrogen sulfate %J Asian Journal of Nanoscience and Materials %I Sami Publishing Company %Z 2645-775X %A Pourkazemi, Arezoo %A Nasouri, Zahra %A Fakhraie, Fatemeh %A Razzaghi, Alemeh %A Parhami, Abolfath %A Zare, Abdolkarim %D 2020 %\ 04/01/2020 %V 3 %N 2 %P 131-137 %! Efficient production of 2-amino-4H-chromenes and 14-aryl-14H-dibenzo[a, j]xanthenes catalyzed by N, N-diethyl-N-sulfoethanaminium hydrogen sulfate %K Acidic ionic liquid N %K N-Diethyl-N-sulfoethanaminium hydrogen sulfate {[Et3N-SO3H]HSO4} 2-Amino-4H-chromene 14-Aryl-14H-dibenzo[a %K j]xanthene Solvent-free %R 10.26655/AJNANOMAT.2020.2.5 %X In this study, acidic ionic liquid N, N-diethyl-N-sulfoethanaminium hydrogen sulfate {[Et3N-SO3H]HSO4} was utilized to promote two classes of useful organic transformations under solvent-free conditions including, i) the condensation of arylaldehydes with malononitrile and 1-naphthol, leading to 2-amino-4H-chromenes, and ii) the condensation reaction of arylaldehydes with 2-naphthol to give 14-aryl-14H-dibenzo[a, j]xanthenes. The ionic liquid efficiently catalyzed the reactions, and the products were obtained in excellent yields (94-98%) within short reaction times (8-30 min). %U https://www.ajnanomat.com/article_102406_dbac66aee2c7bf493e78f6296f449441.pdf