Xu W, Li Q, Wang W, Zheng H, Zhang F, Hu Y. Direct access to functionalized 4-nitromethyl-chromenes via a domino reaction under catalyst-free conditions.
RSC Adv 2015. [DOI:
10.1039/c5ra11333d]
[Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
A simple and practical tandem reaction has been established to synthesize functionalized 4-(nitromethyl)-4H-chromenes. Most products were obtained in medium to good yields. Further, chromeno[4,3-b]chromene, an important structure, was easily obtained via this strategy.
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