(4S,5R)-4-Cyclohexylmethyl-2,2-dimethyl-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl ester 5-((S)-4-hydroxy-1-morpholin-4-ylmethyl-butyl) ester

(4S,5R)-4-Cyclohexylmethyl-2,2-dimethyl-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl ester 5-[(S)-4-(tert-butyl-dimethyl-silanyloxy)-1-morpholin-4-ylmethyl-butyl] ester