3-Formyl-2,2,5,5-tetramethyl-thiazolidine-4-carboxylic acid (2R,3S,5R)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-trityloxymethyl-tetrahydro-furan-3-yl ester 在
盐酸 作用下,
以
甲醇 为溶剂,
反应 4.0h,
以54%的产率得到2-Amino-3-mercapto-3-methyl-butyric acid (2R,3S,5R)-2-hydroxymethyl-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester