N-Heterocyclic carbenes (NHCs) were found to catalyze the silyl transfer from trialkylsilyl ketene acetals to ketones. In the presence of a catalytic amount of NHC 3 (IAd, 0.1 to 5 mol%), a series of enolizable ketones as well as cyclohexanecarboxaldehyde
Song, Jinhua J.,Tan, Zhulin,Reeves, Jonathan T.,Fandrick, Daniel R.,Yee, Nathan K.,Senanayake, Chris H.
supporting information; experimental part
p. 877 - 880
(2009/04/07)
INTRAMOLECULAR PHOTOCYCLOADDITION OF ENONE-ACETALS
Lewis acid catalyzed condensation of unsaturated orthoformates with dienol ethers gives enone-acetals suitable for intramolecular photocycloadditions, yielding heterocyclic precursors to sesquiterpene lactones.
Pirrung, Michael C.,Thomson, Stephen A.
p. 2703 - 2706
(2007/10/02)
The Kharasch Reagent. Regioselective Generation of Dienol Ethers from Enones
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Krafft, Marie E.,Holton, Robert A.
p. 7619 - 7621
(2007/10/02)
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