Table 3. Group II click products 46–57 of halogenated azidomethylsulfoxides 11, 12 and azidophenyl sulfones 14, 15 with selected arylacetylenes 17–19.

Compound	Yield a (%)
46, R1 = 4-fluorophenyl, R2 = 3-fluorophenyl, R3 = SO	78
47, R1 = 4-fluorophenyl, R2 = 4-fluorophenyl, R3 = SO	83
48, R1 = 4-fluorophenyl, R2 = 2-methoxypheny, R3 = SO	92
49, R1 = 4-chlororophenyl, R2 = 3-fluorophenyl, R3 = SO	52
50, R1 = 4-chlorophenyl, R2 = 4-fluorophenyl, R3 = SO	93
51, R1 = 4-chlorophenyl, R2 = 2-methoxyphenyl, R3 = SO	76
52, R1 = 4-fluorophenyl, R2 = 3-fluorophenyl, R3 = SO2	79
53, R1 = 4-fluorophenyl, R2 = 4-fluorophenyl, R3 = SO2	83
54, R1 = 4-fluorophenyl, R2 = 2-methoxyphenyl, R3 = SO2	95
55, R1 = 4-chlororophenyl, R2 = 3-fluorophenyl, R3 = SO2	84
56, R1 = 4-chlorophenyl, R2 = 4-fluorophenyl, R3 = SO2	93
57, R1 = 4-chlorophenyl, R2 = 2-methoxyphenyl, R3 = SO2	81

^aYields are for isolated pure compounds.