Lm. Cabral et al., ASYMMETRIC FRIEDEL-CRAFTS REACTION - AN APPLICATION TO THE SYNTHESIS OF AN ETODOLAC ANALOG, Synthetic communications, 26(19), 1996, pp. 3671-3676
An Etodolac analogue, (-)-7, was prepared in 40% ee. by asymmetric Fri
edel-Crafts reaction, involving tryptophol 4 and chiral beta-ketobutyr
ate 5f, followed by hydrolysis.