To explore this possibility, we investigated the use of Ag halide scavengers to activate the catalyst. Although our first attempt using catalyst (R,R)-2 in combination with AgNTf2 (10 mol%) in the aziridination of 1-nonene did not prove successful and lead to a reduction in yield (19%, 94:6 e.r.) (entry 1, Figure ), a change in base from Cs2CO3, to CsOPiv proved to be key, delivering an improved yield of 65% while maintaining excellent enantioselectivity (95:5 e.r.) (entry 2, Figure ). Final improvements to the reaction were made by using AgSbF6 (10 mol%) and CsOAc (10 mol%) allowing for the formation of (S)-4 in an 83% yield (95:5 e.r.) (entry 4, Figure ). We noted that for some substrates, such as benzyl protected 5-hexen-1-ol (entry 5, Figure ) these initial conditions were less effective. Based on our previous observations that loading of the silver additive could impact the reaction yield, we systematically investigated this variable. For this more challenging substrate we discovered that a loading of 30 mol% of AgSbF6 provided the aziridine 10 in a 61% yield with the same excellent enantioselectivity (95:5 e.r.) (entry 6, Figure ). Loadings of AgSbF6 above or below 30 mol% were found to be detrimental to the yield of 10 (entry 6, 8-9, Figure ). At this time, we do not have an explanation for this observation, and we speculate that the extra loading of Ag may be assisting in recovering catalyst from off pathway decomposition.