作者:Christian Hertweck、Pavel Šebek、Aleš Svatoš
DOI:10.1055/s-2001-18784
日期:——
An expedient convergent synthesis of naturally occurring C18-erythro-sphinganine (dihydrosphingosine, 1) is presented. Chiral protected 2-amino-1,3,4-butanetriol 6 is readily transformed into oxazolinyl oxirane building block 9, which is alkylated by a copper mediated SN2 type nucleophilic substitution with tetradecylmagnesium chloride. This method promises to be suited for large-scale syntheses and for rapid access to sphinganine analogues modified in the backbone.
本文介绍了一种天然存在的C18-赤式鞘氨醇(二氢神经酰胺,1)的便捷收敛合成方法。易于制备的手性保护的2-氨基-1,3,4-丁三醇6可转化为噁唑啉基环氧乙烷构建块9,后者通过铜介导的SN2型亲核取代反应与十四烷基氯化镁反应进行烷基化。此方法有望适用于大规模合成及快速制备骨架修饰的鞘氨醇类似物。