Table 2.

The scope of o-azidoarylalkyne substrates.^[a]

entry	1 (R)	R’	2	2/2’	yield[b]
1	1b (n-butyl)	H	2b	7/1	74%
2	1c (PhCH2CH2)	H	2c	5/1	83%
3	1d (BnOCH2)	H	2d	5/1	51%[c]
4	1e (cyclopropyl)	H	2e	8/1	76%
5	1f (cyclopentyl)	H	2f	15/1	75%
6	1g (cyclohexyl)	H	2g	16/1	82%
7	1h (t-butyl)	H	2h	25/1	75%
8	1i (H)	H	2i	3/1	91%
9	1j (p-MeOPh)	H	2j	7/1	76%
10	1k (p-MeO2CPh)	H	2k	7/1	95%
11	1l (n-butyl)	4,6-Me2	2l	8/1	82%
12[d]	1m (n-butyl)	3,5-Cl2	2m	7/1	78%

^[a]Vial reaction.

^[b]The combined isolated yield of 2 and 2’.

^[c]About 4% of 7 was formed.

^[d]Reaction time: 1 h.