Substrate scope for the asymmetric intramolecular 1,3-dipolar cycloaddition.

Entry	Product	R1	R2	R3	R4	Yield [%]	ee [%]
1	3a	Ph	Bn	H	H	67	90
2	3b	p-ClC6H4	Bn	H	H	92	85
3	3c	m-ClC6H4	Bn	H	H	81	76
4	3d	o-ClC6H4	Bn	H	H	73	75
5	3e	Ph	o-Me benzyl	H	H	62	88
6	3f	Ph	m-Br benzyl	H	H	47	85
7	3g	Ph	p-Cl benzyl	H	H	59	85
8	3h	Ph	Me	H	H	56	79
9	3i	Ph	Bn	F	H	75	94
10	3j	Ph	Bn	Cl	H	76	97
11	3k	Ph	Bn	Br	H	84	96
12	3l	Ph	Bn	Me	H	98	97
13	3m	Ph	Bn	MeO	H	63	98
14	3n	Ph	Bn	CF3O	H	69	96
15	3o	Ph	Bn	H	F	68	83
16	3p	Ph	Bn	H	Br	82	80
17	3q	p-ClC6H4	Bn	Me	H	59	96
18	3r	m-ClC6H4	Bn	Me	H	67	97
19	3s	o-ClC6H4	Bn	Me	H	92	94
20	3t	Ph	o-Me benzyl	Br	H	59	97
21	3u	Ph	o-Me benzyl	Me	H	52	98
22	3v	Ph	m-Br benzyl	F	H	61	98
23	3w	Ph	m-Br benzyl	Me	H	65	98
24	3x	Ph	p-Cl benzyl	MeO	H	58	99
25	3y	Ph	Me	F	H	66	90
26	3z	Ph	Bn	F	F	70	96
27	3aa	Ph	Bn	–C4H4–		59	93
28	3bb	p-CNC6H4	Bn	H	H	91	4
29	3cc	Ph	p-CN benzyl	H	H	94	88