1,4-Addition of Nucleophiles to -Unsaturated Carbonyl Compounds - Carbohydrates: Tools for Stereoselective Synthesis - page 269

Temperature (°C) Conversion (%) b) ( t , min) 1,4-Selectivity c) (%) Yield d) (%) ee (%) e) Reference

Room temp. 100 100 Nd 64 (R) [38]

Room temp. 100 100 Nd 53 (R) [38]

0 100 100 Nd 48 (S) [38]

0 64 > 97 Nd 41 (R) [32]

−30 99 Nd 61 37 (R) [33]

− 30 96 Nd 77 48 (R) [33]

( Continued )