Disclosed is a novel capping-and-tagging (“cap-tag”) strategy that aids in the purification of compounds assembled by multi-step synthetic methods. The incorporation of a unique cap-tag into undesired intermediates during a multi-step synthesis allows for the straightforward removal of these undesired compounds at the conclusion of the synthetic protocol by several methods based on affinity chromatography and scavenging resins. Importantly, this invention may be exploited in any automated synthetic protocol. In preferred embodiments, the cap-tag system is exploited for the purification of carbohydrates prepared via automated solid-phase methods.
本发明公开了一种新颖的盖帽标记("cap-tag")策略,有助于纯化通过多步合成方法合成的化合物。在多步合成过程中,在不需要的中间体中加入一个独特的帽标签,这样就可以在合成方案结束时,通过几种基于亲和层析和清除
树脂的方法直接去除这些不需要的化合物。重要的是,本发明可用于任何自动化合成方案。在优选的实施方案中,帽标签系统可用于纯化通过自动化固相方法制备的
碳水化合物。