(2R,3S,5R)-5-[(1S,2S)-1-hydroxy-2-acetylamino-3-(3-bromo-5-fluorophenyl)-propyl]-2-(2,2-dimethylpropoxy)-3-methylmorpholine-4-carboxylic acid tert-butyl ester → (2R,3S,5R)-5-{(1S,2S)-2-Acetylamino-3-[3-fluoro-5-(3-methyl-butyl)-phenyl]-1-hydroxy-propyl}-2-(2,2-dimethyl-propoxy)-3-methyl-morpholine-4-carboxylic acid tert-butyl ester

Participants

Reaction Steps

Beginning with 3-methylbutyl zinc bromide and (2R,3S,5R)-5-[(1S,2S)-1-hydroxy-2-acetylamino-3-(3-bromo-5-fluorophenyl)-propyl]-2-(2,2-dimethylpropoxy)-3-methylmorpholine-4-carboxylic acid tert-butyl ester (0.165 g, 0.287 mmol), the title compound (0.127 g, 78%) may be prepared essentially as described in Preparation 409.

Provenance & Evidence