Preparation of N–H azirdines in high enantiomeric excess by in situ aziridine–azirine–aziridine interconversion
作者:Robert S. Atkinson、Michael P. Coogan、Ian S. T. Lochrie
DOI:10.1039/cc9960000789
日期:——
Aziridine 6 is produced highly diastereoselectively by treatment of enantiopure 3-acetoxyaminoquinazolinone 4 (Q*NHOAc) with beta-trimethylsilylstyrene: desilylative elimination of Q* and in situ addition of cyanide to the intermediate azirine gives the NH-aziridine 8 of 83% ee.