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Boron Trifluoride Etherate-Controlled Reactions of Methyl Enol Ethers: Selective Synthesis of Dihydrofuro[3,2- c ]chromenone and Furo[3,2- c ]chromenone Derivatives.
- Source :
-
Synlett . Apr2023, Vol. 34 Issue 7, p823-828. 6p. - Publication Year :
- 2023
-
Abstract
- A facile one-step synthetic approach to dihydrofuro-[3,2- c ]chromenones and furo[3,2- c ]chromenones by the reaction of methyl enol ethers with 4-hydroxycoumarins under metal-free conditions is presented. Dihydrofuro[3,2- c ]chromenones and furo[3,2- c ]-chromenones were selectively obtained by controlling the stoichiometry of boron trifluoride diethyl etherate. An unexpected aryl-group migration followed by aromatization of the furan moiety, leading to a variety of furo[3,2- c ]chromenone derivatives in good yields, is reported. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09365214
- Volume :
- 34
- Issue :
- 7
- Database :
- Academic Search Index
- Journal :
- Synlett
- Publication Type :
- Academic Journal
- Accession number :
- 162900348
- Full Text :
- https://doi.org/10.1055/a-1912-3884