ChemInform Abstract: A Concise Synthesis of Asymmetrically 4, 5‐Disubstituted 9, 9‐Dimethyl‐9H‐xanthenes. Issue 24 (June 2015)

• Record Type: Journal Article
• Authors: Matsubara, Ryosuke; Koide, Miki; Shin, Yong‐Soon; Shimada, Toshiyuki; Hayashi, Masahiko
• Is Part Of: ChemInform. Volume 46:Issue 24(2015)
• Page Start: no
• Page End: no
• Publication Date: 2015-06
• Subjects: benzopyran derivatives -- C‐C bond formation; Chemistry -- Abstracts -- Periodicals; 540.5
• DOI: 10.1002/chin.201524156
• Languages: English
• ISSNs: 0931-7597

Abstract

Abstract: The selective metal‐halogen exchange of dibromodimethylxanthenes delivers a monolithiated species which is transmetalated to zinc organometallics; subsequent coupling with diverse reagents leads to formation of monofunctionalized xanthenes.