A variety of the protected O-[(3-deoxy-alpha-D-manno-2-octulopyranosyl)onic acid]-(2----4)-3-deoxy-D-manno-2-octulosonic acid [alpha-Kdo-2(2----4)-Kdo] derivatives have been synthesized starting from methyl [2-(trimethylsilyl)ethyl 4,5,7,8-tetra-O-acetyl-3-deoxy-alpha-D-manno-2-octulopyranosid] onate. Some of these were conjugated with a protected form of a bacterial lipid A subunit-analog (GLA-60)
各种受保护的O-[(3-脱氧-α-D-
甘露聚糖-2-辛基
吡喃糖基)
磺酸]-(2 ---- 4)-3-脱氧-
D-甘露糖-2-
辛基磺酸[α从甲基[2-(三甲基甲
硅烷基)乙基4,5,7,8-四-O-乙酰基-3-脱氧-α-D开始合成-Kdo-2(2 ---- 4)-Kdo]衍
生物-manno-2-octulopyranosid] onate。其中一些与具有有益免疫药理活性的细菌脂质A亚基类似物(G
LA-60)的保护形式缀合,即苄基2-[((3R)-3-(苄氧基-甲氧基)四癸酰胺基] -2-脱氧- 4-O-(二苯氧基次膦酰基)3-O-[((3R)-3-
十四烷酰氧基
十四烷酰+ ++]-β-
D-吡喃葡萄糖苷。