(R)-2-((tert-Butoxycarbonyl)amino)pent-4-ynoic acid是一种甘氨酸衍生物，也是一种点击化学试剂，其分子结构中含有Alkyne基团，可与含Azide基团的分子发生铜催化的叠氮-炔环加成反应(CuAAc)。

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