Table 1.

Microwave-assisted one-pot TMS-deprotection of compounds 1a-g and cycloaddition with azides 2a-c to give triazoles 3a-i

entry	R	R’	method Aa yield (%)	method Bb yield (%)
1	C6H5	Bn	98	98c
2	4-MeO-C6H4	Bn	97	96
3	4-CF3-C6H4	Bn	98	97
4	4-Cl-C6H4	Bn	89	95
5	4-Br-C6H4	Bn	81	91
6	2-Br-C6H4	Bn	89	90
7	CH2OH	Bn	82	98
8	C6H5	4-MeO-Bn	87	98
9	C6H5	4-NO2-Bn	98	99

^aA mixture of TBAF (1.0 M, 2.0 equiv) and CuI (10 mol %) and DIPEA (20 mol %) was used

^bCuF₂ (2.0 equiv) was used

^c3a was isolated in yields of 22% and 57% when the reaction was performed at 60 °C or 90 °C, respectively.