Citation:
liquid, Xue Sen Fan, Ying Ying Qu, Xin Ying Zhang, Xia Wang, Jian Ji Wang. Synthesis of fused pyran and arylbis(4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)methane in ionic liquid[J]. Chinese Chemical Letters,
;2009, 20(4): 387-390.
doi:
10.1016/j.cclet.2008.12.021
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Promoted and mediated by an ionic liquid-[bmim][BF4], fused pyrans or arylbis(4-hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)methanes were efficiently and selectively prepared from the reaction of aldehyde and 4-hydroxy-6-methyl-2-oxo-pyran with or without acetic anhydride. By using these novel procedures, pyrimidine nucleoside-fused pyran and arylbis(pyranon-3-yl)methane hybrids with potential biological activities were constructed.
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