摘要:
                                alpha-D-Man-(1 ---- 2)-alpha-D-Man-(1 ---- 3)-D-Gal,沙门氏菌血清群C2和C3 O特异性的主链结构片段已合成了一些多糖,以及带有中央残基β的异构体,以及一些与肯塔基州链球菌(血清群C3)的O特异性多糖的结构有关的寡糖,即α-D-Glc-(1 --- -4)-D-Gal,alpha-D-Man-(1 ---- 3)-[alpha-D-Glc-(1 ---- 4)]-D-Gal和alpha-D-Man -(1 ---- 2)-alpha-D-Man-(1 ---- 3)-[alpha-D-Glc-(1 ---- 4)]-D-Gal及其异构体D-Glc单元beta。将每种寡糖转化为α-糖基磷酸酯。