Orrego-Hernández J, Lizarazo C, Cobo J, Portilla J. Pyrazolo-fused 4-azafluorenones as key reagents for the synthesis of fluorescent dicyanovinylidene-substituted derivatives.
RSC Adv 2019;
9:27318-27323. [PMID:
35529179 PMCID:
PMC9070601 DOI:
10.1039/c9ra04682h]
[Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Accepted: 08/24/2019] [Indexed: 12/21/2022] Open
Abstract
A green method for the three-component synthesis of an indeno[1,2-b]pyrazolo[4,3-e]pyridines library under microwave irradiation and their use in the preparation of novel fluorescent dicyanovinylidene-substituted derivatives is provided.
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