论文部分内容阅读
2,3,4,6-Tetra-O-acetyl-α-D-galactopyranosyl bromide reacted with carboxylic acids in thepresence of CaH<sub>2</sub> and Ag<sub>2</sub>CO<sub>3</sub> and small amount of I<sub>2</sub> to give good yields of l