Aminocyclopentitols fromN-Alkylpyridinium Salts: A photochemical approach
作者:Ersin A. Acar、Fabrice Glarner、Ulrich Burger
DOI:10.1002/hlca.19980810523
日期:——
derivatives 10a–e. N–Substituents bearing ether, acetal, and alcohol functions were found to do not adversely influence the photochemical reaction course. The free OHgroups of the N–(3-hydroxypropyl) derivative 10d were protected by benzoylation. The ensuing dibenzoate 14 underwent stereocontrolled opening of the aziridine ring on reaction with MeSH/BF3 to give a thioether 15. With benzoic acid in CHCI3