Table 2. Group I click products of azidophenylsulfoxides 10 and azidophenyl sulfones 13 with selected arylacetylenes 16–24.

Compound	Yield a (%)
28, R1 = Ph, R2 = 3-pyridyl, R3 = SO	46
29, R1 = Ph, R2 = 4-fluorophenyl, R3 = SO	86
30, R1 = Ph, R2 = 3-fluorophenyl, R3 = SO	97
31, R1 = Ph, R2 = 2-methoxyphenyl, R3 = SO	95
32, R1 = Ph, R2 = 2-(trifluoromethyl)phenyl, R3 = SO	60
33, R1 = Ph, R2 = 6-methoxynaphthalene-2-yl, R3 = SO	58
34, R1 = Ph, R2 = 4-(n-pentyl)phenyl, R3 = SO	39
35, R1 = Ph, R2 = 4-(phenoxy)phenyl, R3 = SO	79
36, R1 = Ph, R2 = 3,5-di-(trifluoromethyl)phenyl, R3 = SO	89
37, R1 = Ph, R2 = 3-pyridyl, R3 = SO2	73
38, R1 = Ph, R2 = 4-fluorophenyl, R3 = SO2	63
39, R1 = Ph, R2 = 3-fluorophenyl, R3 = SO2	69
40, R1 = Ph, R2 = 2-methoxyphenyl, R3 = SO2	98
41, R1 = Ph, R2 = 2-(trifluoromethyl)phenyl, R3 = SO2	54
42, R1 = Ph, R2 = 6-methoxynaphthalene-2-yl, R3 = SO2	97
43, R1 = Ph, R2 = 4-(n-pentyl)phenyl, R3 = SO2	77
44, R1 = Ph, R2 = 4-(phenoxy)phenyl, R3 = SO2	97
45, R1 = Ph, R2 = 3,5-di-(trifluoromethyl)phenyl, R3 = SO2	63

^aYields are for isolated pure compounds.