β‐Isocupreidine—Hexafluoroisopropyl Acrylate Method for Asymmetric Baylis—Hillman Reactions.

Abstract

Hydroxycarboxylic acids (ether carboxylic acids) and esters Q 0450 β-Isocupreidine-Hexafluoroisopropyl Acrylate Method for Asymmetric Baylis-Hillman Reactions. -The title reaction affords the products in higher yields and enantioselectivities when the catalyst is azeotropically dried. -(NAKANO, A.; KAWAHARA, S.; AKAMATSU, S.; MOROKUMA, K.; NAKATANI, M.; IWABUCHI, Y.; TAKAHASHI, K.; ISHIHARA, J.; HATAKEYAMA*, S.; Tetrahedron 62 (2006) 2-3, 381-389; Grad. Sch. Biomed. Sci., Nagasaki Univ., Nagasaki 852, Japan; Eng.) -Y. Steudel 21-089