One-pot synthesis of β-Thiol-1,4-disubstituted-1,2,3-triazoles from thiiranes catalyzed by nano-MgFe₂O₄/Cu^a.

Entry	Thiirane (a)	Alkyne	Triazole (b)	Time (h)	Yieldb (%)
1				2.5	96
2				2	91
3				2.5	80
4				4	95
5				3	90
6				2	94
7				2.5	90
8				2	80
9				3	92
10				3.5	90
11				2.5	95

^aAll reactions were carried out with 1 mmol of thiirane in the presence of alkyne (1 mmol), sodium azide (1.2 mmol) and nano-MgFe₂O₄/Cu (0.02 g) in water at 60 °C.

^bYields refer to isolated pure products.