Anti-Selective Boron-Mediated Asymmetric Aldol Reaction of Carboxylic Esters: Synthesis of (2S, 3R)-2,4-Dimethyl-1,3-Pentanediol

(2S,3R)-2,4-Dimethyl-1,3-pentanediol R 2(N-Benzyl-N-mesitylenesulfonyl)amino-1-phenyl-1-propyl propionate Is this (+)-1 I (1′R)-Phenyl-(2′S)-[(phenylmethyl)[(2,4,6-trimethylphenyl)sulfonyl]amino-propyl(3R)-hydroxy-(2R),4-dimethylpentanoate 2 R (2S,3R)-2,4-Dimethyl-1,3-pentanediol 3 2-(N-Benzyl-N-mesitylenesulfonyl)amino-1-phenyl-propanol Keywords: stereoselective reactions, enantioselective; stereoselective reactions, diastereoselective; alkylation, C-alkylation (including Aldol, Michael, and Friedel-Crafts reactions); metal-catalyzed reactions (exclusive of reductions); reduction, CO2RCH2OH; alkylation N-alkylation