反应详情

A sample of 3-(5-methyl-thiazol-4-yl)-benzoic acid methyl ester (1.05 g) was treated with lithium tert.-butyl acetate according to the general procedure K (method b) to give crude 3-[3-(5-methyl-thiazol-4-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester (1.9 g) as a pale-yellow oil.