Amberlite IR-120H: an efficient and recyclable heterogeneous catalyst for the synthesis of pyrrolo[1, 2-a]quinoxalines and 5′H-spiro[indoline-3, 4′-pyrrolo[1, 2-a]quinoxalin]-2-ones. Issue 50 (16th December 2015)

• Record Type: Journal Article
• Authors: Kamal, Ahmed; Babu, Korrapati Suresh; Kovvuri, Jeshma; Manasa, Vindravath; Ravikumar, A.; Alarifi, Abdullah
• Is Part Of: Tetrahedron letters. Volume 56:Issue 50(2015)
• Page Start: 7012
• Page End: 7015
• Publication Date: 2015-12-16
• Subjects: Pyrrolo[1, 2-a]quinoxaline -- Amberlite IR-120H -- Solvent free -- Recyclability; Chemistry, Organic -- Periodicals; 547.005
• DOI: 10.1016/j.tetlet.2015.11.003
• Languages: English
• ISSNs: 0040-4039

Abstract

Graphical abstract: Abstract: A simple, highly efficient and environmentally benign method for the synthesis of pyrrolo[1, 2- a ]quinoxalines has been developed using a green and recyclable catalyst Amberlite IR-120H resin under solvent-free conditions. The method provides several advantages such as mild conditions, no use of oxidant, environmentally compatible and inexpensive catalyst. Moreover, the catalyst can be recovered after completion of the reaction and can be reused as the catalytic property of the resin is not affected even up to five cycles.