Disclosed is a process for chemically synthesizing a pharmaceutical intermediate, in particular to a novel intermediate and novel process for synthesizing an anticoagulant drug fondaparinux sodium intermediate—full protection heparin pentasaccharide. The process has a high reaction efficiency and a simple reaction operation, and enables the reaction intermediate to be easily purified, thus being suitable for the industrialized production of the full protection heparin pentasaccharide.
本发明涉及一种药物中间体的
化学合成方法,特别涉及一种新型中间体和一种新型合成抗凝药物法度巴
肝素钠中间体的方法——全保护
肝素五糖。该方法具有高反应效率和简单的反应操作,使反应中间体易于纯化,因此适用于全保护
肝素五糖的工业化生产。