Tetrahedron Letters p. 4321 - 4322 (1999)
Update date:2022-08-03
Topics: Alkylation Coumarins Quinones Radical reactions Electron transfer Work-Up Reaction Conditions Radical Attack Substitution
Giraud, Anne
Vanelle, Patrice
Giraud, Luc
The reaction of 4-hydroxycoumarins with a series of quinonic chlorides under photostimulation was shown to provide an efficient approach to 3- alkylated coumarin derivatives. Alkylation reactions of this type proceeded via an electron transfer mechanism (
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