Alkylation of Quinones by O-Silylated Ketene Acetals in LiClO4/Ether as Reaction Medium
O-Silylated ketene acetals (2, 5) undergo 1,4-conjugative addition to α,β-unsaturated carbonyl systems of quinones 1 in the presence of lithium perchlorate in ether to form 2(3H)-benzofuranones 3.Key Words: Quinones / Ketene acetals, O-silylated / Mukaiyama reaction / 2(3H)-Benzofuranone / Homogentisic acid
Ipaktschi, Junes,Heydari, Akbar
p. 1513 - 1516
(2007/10/02)
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