(2R,3R,4R,5S)-3,4-Bis-methoxymethoxy-2-trityloxymethyl-5-vinyl-pyrrolidine-1-carboxylic acid tert-butyl ester 在
sodium tetrahydroborate 、
臭氧 作用下,
生成 (2S,3R,4R,5R)-2-Hydroxymethyl-3,4-bis-methoxymethoxy-5-trityloxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester