A method of preparing a compound of formula (III): wherein x is from 1 to 6, y is from 1 to 12, z is from 0 to 10, each M and each M′ is independently a mycolic acid residue including a β-hydroxy acid moiety and each S is a monosaccharide unit; the method comprising reacting one or more mycolic acids with one or more saccharide units wherein the hydroxyl group of each β-hydroxy acid moiety is protected prior to reaction with the one or more saccharide units.
一种制备式(III)化合物的方法:其中x为1至6,y为1至12,z为0至10,每个M和每个M′都是独立的包括β-羟基酸基团的
肉豆蔻酸残基,每个S是
单糖单元;该方法包括将一个或多个
肉豆蔻酸与一个或多个
单糖单元反应,其中每个β-羟基酸基团的羟基在与一个或多个
单糖单元反应之前被保护。