2-[1-tert-Butoxycarbonyl-2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-oxo-eth-(E)-ylidene]-4-hydroxy-5-methyl-[1,3]thiazinane-4-carboxylic acid methyl ester 以
甲苯 为溶剂,
反应 24.0h,
以70%的产率得到2-[1-tert-Butoxycarbonyl-1-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-meth-(Z)-ylidene]-5-methyl-3,6-dihydro-2H-[1,3]thiazine-4-carboxylic acid methyl ester