Ring-opening reaction of Bus- and SES-protected aziridines using lithiated dithianes
作者:Ken Sakakibara、Kyoko Nozaki
DOI:10.1039/b814413c
日期:——
sulfonyl-activated aziridines using lithiated dithianes was investigated. Nucleophilic attack of lithiated dithianes on aziridines containing tert-butylsulfonyl (Bus) and 2-(trimethylsilyl)ethylsulfonyl (SES) demonstrated efficient ring cleavage to yield β-amino carbonyl equivalents, γ-lactam and syn- and anti-1,5-aminoalcohols. The first example of a ring-opening reaction of di-substituted aziridine using dithiane
研究了使用锂化二噻吩磺酰基活化的氮丙啶开环反应的范围和局限性。锂化二噻吩对含有叔丁基磺酰基(Bus)和2-(三甲基甲硅烷基)乙基磺酰基(SES)的氮丙啶的亲核攻击表明有效的环裂解可产生β-氨基羰基等价物,γ-内酰胺以及顺式和反式-1,5-氨基醇。二取代氮丙啶的开环反应的第一个例子是使用双硫烷也有报道。最后,对获得的具有Bus和SES的二硫杂环丁烷进行脱保护,以证明其合成有用性。