Tetrahedron Letters p. 5733 - 5736 (1984)
Update date:2022-08-04
Topics:
Clawson, Leigh
Buchwald, Stephen L.
Grubbs, Robert H.
The titanium methylidene fragment, Cp2Ti=CH2, resulting from Tebbe's reagent, Cp2TiCH2*AlMe2Cl or the β,β-disubstituted metallacycle, Cp2TiCH2C(Me)(n-Pr)CH2, methylenates enolizable acidic ketones and converts α,α-disubstituted ketones into titanium enolates.The reagent reacts selectively with ketones over esters.
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(1987)
