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Domino "[3+3]-cyclization-homo-Michael" reactions of 1,3-bissilyl enol ethers with 1,1-diacylcyclopropanes
Authors:Bose Gopal  Nguyen Van Thi Hong  Ullah Ehsan  Lahiri Sunanda  Görls Helmar  Langer Peter
Affiliation:Institut für Chemie und Biochemie, Ernst-Moritz-Arndt Universit?t Greifswald, Soldmannstrasse 16, D-17487 Greifswald, Germany.
Abstract:The Lewis acid mediated domino "[3+3]-cyclization-homo-Michael" reaction of 1,3-bissilyl enol ethers with 1,1-diacylcyclopropanes allows an efficient one-pot synthesis of functionalized salicylates containing a halogenated side chain. A great variety of substitution patterns could be realized by variation of the starting materials and of the Lewis acid. The mechanism of the domino process was studied.
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