A Three-component Reaction of Phenol, Aldehyde, and Active Methylene Substrate under Lewis acid Catalysis: Successful Trapping of o-Quinone Methide to Afford Benzopyran Systems.

Autor:	Mashraqui, Sabir H., Patil, Mamta B., Mistry, Hitesh D., Ghadigaonkar, Shailesh, Meetsma, Auke
Předmět:	PHENOLS ALDEHYDES CATALYSIS CONDENSATION CHEMISTRY
Zdroj:	Chemistry Letters; 8/5/2004, Vol. 33 Issue 8, p1058-1059, 2p, 4 Diagrams, 1 Chart
Abstrakt:	A three-component condensation involving reactive phenols, aldehydes, and active methylene substrates is described under BF3.Et2O catalysis to afford benzopyranyl products in satisfactory yields. [ABSTRACT FROM AUTHOR]
Databáze:	Supplemental Index
Externí odkaz:	Zobrazit plný text záznamu