A CONCISE, GENERAL ENANTIOSELECTIVE SYNTHETIC ROUTE TO 2(R)-[1'(S)-AZIDO-2-PHENYLETHYL]OXIRANE AND 2(S)-[1'(S)-AZIDO-2-PHENYLETHYL]OXIRANE AND RELATED EPOXIDES
The title oxiranes were constructed in >95% enantiomeric excess (e.e.) utilizing a Sharpless asymmetric epoxidation followed by regioselective azide displacement with [Ti(OPri)2(N3)2] as the key steps.