Synthesis and conformational analysis of 9,10-bis-aminomethyl-11,12-dicarboxy-dibenzobarrelene derivatives
作者:Hans E. Grundberg、Ola F. Wendt、Ulf J. Nilsson
DOI:10.1016/j.tetlet.2004.04.197
日期:2004.7
The synthesis of bis-γ-amino acid dibenzobarrelene derivatives (9,10-bis-aminomethyl-11,12-bis-carboxy-dibenzobarrelene) is presented. Bromomethylation of anthracene followed by azide substitution gave 9,10-bis-azidomethylanthracene. Azide reduction, N-Boc protection, and Diels–Alder cycloaddition in DMAD furnished the protected 9,10-bi-aminomethyl-11,12-dicarboxy-dibenzobarrelene derivative, which
介绍了双-γ-氨基酸二苯并barrelene衍生物(9,10-双-氨基甲基-11,12-双-羧基-二苯并barrelene)的合成。蒽的溴甲基化,然后叠氮化物取代,得到9,10-双叠氮基甲基蒽。DMAD中的叠氮化物还原,N- Boc保护和Diels-Alder环加成反应提供了受保护的9,10-双-氨基甲基-11,12-二羧基-二苯并戊二烯衍生物,并进一步转化为双-γ-氨基酸甲基酯,所述ñ -Boc保护的双- γ -氨基甲基酰胺,和双- γ内酰胺。9,10-取代的二苯并戊烯的蒙特卡罗模拟和X射线分析表明,暴露的疏水表面被氨基和羧基包围。