Isothiourea-catalyzed formal enantioselective conjugate addition of benzophenone imines to β-fluorinated α,β-unsaturated esters.

Autor: Lapetaje, Jerson E., Young, Claire M., Shu, Chang, Smith, Andrew D.
Předmět:
Zdroj: Chemical Communications; 6/21/2022, Vol. 58 Issue 49, p6886-6889, 4p
Abstrakt: The isothiourea-catalyzed formal enantioselective conjugate addition of 2-hydroxybenzophenone imine derivatives to α,β-unsaturated para-nitrophenyl esters has been developed. Investigations of the scope and limitations of this procedure showed that β-electron withdrawing substituents within the α,β-unsaturated ester component are required for good product yield, giving rise to a range of β-imino ester and amide derivatives in moderate to good isolated yields with excellent enantioselectivity (20 examples, up to 81% yield and 97 : 3 er). [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index