作者:José Luis García Ruano、José Alemán、Cristina Fajardo、Alejandro Parra
DOI:10.1021/ol052250w
日期:2005.11.1
N-alkylsulfonyl- and N-arylsulfonyloxaziridines from the corresponding N-sulfinylimines involving a one-pot, two-step oxidation process with m-CPBA (1 equiv) and m-CPBA/KOH (1.1 equiv) is reported. The method is applicable to N-sulfinylimines derived from aldehydes (aliphatic and aromatic) and ketones (dialkyl and aryl alkyl) and preserves C=C-conjugated double bonds. Almost quantitative yields, very mild
[反应:参见文本]一种简单的方法,可从相应的N-亚磺酰亚胺中获得N-烷基磺酰基-和N-芳基磺酰基恶唑烷,涉及使用m-CPBA(1当量)和m-CPBA / KOH进行一锅,两步氧化过程报告了(1.1当量)。该方法适用于衍生自醛(脂族和芳族)和酮(二烷基和芳基烷基)的N-亚磺酰亚胺,并保留C = C共轭的双键。这种新方法的主要特征是几乎定量的产量,非常温和的条件(通常在室温下不到5分钟)以及易于过滤的纯化方法,这些新方法可以以克为单位进行。