(2R,3R)-[3-(tert-Butyldimethylsilanyloxy)-2-methylpyrrolidin-2-yl]methanol trifluoroacetic acid salt 、
N,N-二异丙基乙胺 、
3-Chloro-2-methylphenylacetamide 、
二氯甲烷 在
ice 、
水 、
二氯甲烷 、 Brine 、
magnesium sulfate 、 solvent B 作用下,
反应 2.67h,
以UV detection at 220 nm) to provide the title compound (17 mg) as a white film (LC/MS m/z 438 [M+H]+) and di-acylated product (80 mg) as a white solid (LC/MS m/z 630 [M+H]+)的产率得到(2R,3R)-3-(tert-Butyldimethylsilanyloxy)-2-hydroxymethyl-2-methylpyrrolidine-1-carboxylic acid (3-chloro-4-cyano-2-methyl-phenyl)-amide