Unusual titanium-induced McMurry coupling of 4-oxo-4H-chromene-2-carbaldehydes enroute to bis-chromones

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-carba...

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Veröffentlicht in:	New journal of chemistry 2021-03, Vol.45 (10), p.4705-4709
Hauptverfasser:	Jayaprakash Rao Yerrabelly, Bathini, Pavan Kumar, Yerrabelly, Hemasri, Vadapalli, Kishore
Format:	Artikel
Sprache:	eng
Schlagworte:	Coupling Crystallography Reagents Titanium
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description	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.
doi_str_mv	10.1039/d0nj04730a
format	Article
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source	Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects	Coupling Crystallography Reagents Titanium
title	Unusual titanium-induced McMurry coupling of 4-oxo-4H-chromene-2-carbaldehydes enroute to bis-chromones
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