Synthesis of 1,7-diamino-1,2,6,7-tetradeoxy-2,6-imino-D-glycero-D-ido-heptitol by intramolecular amination of aziridine ring
作者:T.K. Chakraborty、S. Jayaprakash
DOI:10.1016/s0040-4039(97)10356-2
日期:1997.12
A novel intramolecular 6-exo opening of a terminal Boc-protected aziridine ring by a strategically located amino group in the molecule enacted the crucial cyclisation to furnish the key intermediate 10 with requisite deoxyamino imino sugar framework leading to the stereoselective synthesis of 1,7-diamino-1,2,6,7-tetradeoxy-2,6-imino-D-glycero-D-ido-heptitol (5).
通过分子中策略性定位的氨基在末端Boc保护的氮丙啶环上的新分子内6-exo开环实现了关键的环化反应,为关键中间体10提供了必要的脱氧氨基亚氨基糖骨架,导致1,7-的立体选择性合成二氨基-1,2,6,7-四脱氧-2,6-亚氨基-D-甘油-D-氨基-庚糖醇(5)。