Table 4 Evaluation of the introduced methodology in comparison with some of the previously reported methods

1

NaN₃/ Silica-supported Cu(I)/ EtOH

78

24 h

93

(Miao and Wang 2008)

2

NaN₃/ Silica-supported Cu(I)/ H₂O

25

0.25

91

(Shamim and Paul 2010)

3

NaN₃/ Nano Cu(I) on Charcol/ H₂O

100

0.6

91

(Sharghi et al. 2009)

4

NaN₃/ P₄VPy-CuI / H₂O

100

0.25

90

(Albadi et al. 2012b)

5

NaN₃ / CuI/ i-Pr₂EtN (additive) /[C₈dabco][N(CN)₂]

25

16

95

(Marra et al. 2008)

6

IRA-400 N₃/ A-21CuI/ CH₃CH₂OH

80

1

92

(This work)