Li HJ, Deng K, Luo DH, Liu DH, Wang JL, Lin CH, Wu YC. Synthesis of functional 4H-chromenes from phenols and acetophenones under solvent- and metal-free conditions.
RSC Adv 2014. [DOI:
10.1039/c4ra03950e]
[Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Sulfuric-acid-promoted tandem reaction of phenols with acetophenones under solvent- and metal-free conditions has been developed, which afforded functional 4H-chromenes in good yields with water as the side product.
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