Here, we applied and optimized a solid support (SP)-based Horner-Wadsworth-Emmons reagent to prepare SP-bound vinylogous amino acids. Subsequent SP-based peptide synthesis, global deprotection, and chemical modifications yielded 14 lipodipeptides carrying vinylogous amino acids, including the natural product barnesin A (1). Biological evaluation revealed that several synthesized derivatives show micromolar to nanomolar inhibitory activity against papain-like cysteine proteases, human cathepsin L, and rhodesain.

中文翻译：

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反原生动物Barnesin衍生物的模块化固相合成。

在这里，我们应用并优化了基于固体支持物（SP）的Horner-Wadsworth-Emmons试剂，以制备与SP结合的乙烯基氨基酸。随后的基于SP的肽合成，整体脱保护和化学修饰产生了14种带有乙烯基氨基酸的脂肽，包括天然产物Barnesin A（1）。生物学评估表明，几种合成的衍生物对木瓜蛋白酶样半胱氨酸蛋白酶，人组织蛋白酶L和罗德萨因表现出微摩尔至纳摩尔的抑制活性。