期刊
NEW JOURNAL OF CHEMISTRY
卷 45, 期 10, 页码 4705-4709出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0nj04730a
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Ti/Zn-mediated McMurry coupling was used to synthesize a series of unusual CH2-CH2 tethered bis-chromones, showing chemoselectivity towards 4-oxo-4H-chromene-2-carbaldehydes. The study of reaction parameters and reagents further confirmed this selectivity, demonstrating a simple and efficient route for bis-chromone synthesis.
Ti/Zn-mediated McMurry coupling of a series of 4-oxo-4H-chromene-2-carbaldehydes afforded unusual chemoselective CH2-CH2 tethered bis-chromones. Studying the reaction parameters and reagents further confirmed that the formation of unexpected coupled products is selective to 4-oxo-4H-chromene-2-carbaldehydes. This methodology demonstrated a simple and efficient route for the synthesis of bis-chromones.
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