Table 1. Competitive Aziridination of Styrenes^a.

catalyst	OMe	Me	H	F	Cl	NO2
1	2.55	1.5	1.00	0.92	1.33	1.15
2	1.99	1.22	1.00	0.89	1.00	0.65

^aValues correspond to ratio of products relative to that of styrene (K_X/K_H). See the Experimental Section for details.