D F Fries

Stereochemical studies on medicinal agents. 20. Absolute configuration and analgetic potency alpha-promedol enantiomers. The role of the C-4 chiral center in conferring stereoselectivity in axial- and equatorial-phenyl prodine congeners.

P. Portoghese, P S Portoghese, D F Fries, 1976, Journal of medicinal chemistry.