Unusual titanium-induced McMurry coupling of 4-oxo-4H-chromene-2-carbaldehydes enroute to bis-chromones. (24th February 2021)

• Record Type: Journal Article
• Authors: Yerrabelly, Jayaprakash Rao; Bathini, Pavan Kumar; Yerrabelly, Hemasri; Vadapalli, Kishore
• Is Part Of: New journal of chemistry. Volume 45:Number 10(2021)
• Page Start: 4705
• Page End: 4709
• Publication Date: 2021-02-24
• Subjects: Chemistry -- Periodicals; Chimie -- Périodiques; 540
• DOI: 10.1039/d0nj04730a
• Languages: English
• ISSNs: 1144-0546

Abstract

Abstract : Ti/Zn-mediated McMurry coupling of a series of 4-oxo-4 H -chromene-2-carbaldehydes afforded unusual chemoselective CH2 –CH2 tethered bis-chromones. Abstract : Ti/Zn-mediated McMurry coupling of a series of 4-oxo-4 H -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-4 H -chromene-2-carbaldehydes. This methodology demonstrated a simple and efficient route for the synthesis of bis-chromones.