cis-trans Selectivity of Enzyme-Catalyzed Additions to 4-Substituted Cyclohexanones-Correlation with the Prelog/Ringold Model of Enzymatic Hydrogenation Enzyme-catalyzed reactions Part 44 This work was supported by Degussa AG We thank Dr B Miehlich for modeling calculations and Dr A Baro for assistance in preparing the manuscript Part 43 F Effenberger S Oßwald Tetrahedron Asymmetry 2001 12 2581-2587