The synthesis of 4-(α-hydroxy-alkyl)-5,7-dihydroxy coumarins as analogs of insecticidal coumarins is described.Oxidation through SeO2 or bromination by crown-ether catalysed substitution provide the functionalization of the 4-alkyl chain.Both reactions depend on the substitution of the phenolic groups.
Ramiandrasoa, F.,Kunesch, N.,Kunesch, G.,Poisson, J.
p. 177 - 180
(2007/10/02)
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