15210-04-5Relevant articles and documents
TiCl4-n-Bu3N-mediated cascade annulation of ketones with α-ketoesters: A facile synthesis of highly substituted fused γ-alkylidene-butenolides
Palange, Megha N.,Gonnade, Rajesh G.,Kontham, Ravindar
, p. 5749 - 5759 (2019/06/18)
A facile protocol for the synthesis of highly substituted fused γ-alkylidene butenolides using direct annulation of ketones with α-ketoesters, which proceeds through TiCl4-n-Bu3N mediated aldol addition followed by an intramolecular