Table 2.

PVC materials and composition of reactants.

PVC materials	PVC-N3	Propargyl ether THEIC-MR-P	Cuprous bromide	5,5-dimethyl-2,2-dipyridyl	DMF
PVC-C	2	1.2 g	0.18 g	0.44 g	20 mL
PVC-B	2	0.6 g	0.09	0.22 g	20 mL
PVC-A	2	0.3 g	0.045 g	0.11 g	20 mL