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. 2015 Feb 9;20(2):2837–2849. doi: 10.3390/molecules20022837

Table 3.

Synthetic results of mechanochemical CuAAC a.

Entry Alkyne Azide Product Yield b % (Conv. c)
1 d 2a Inline graphic
1b
Inline graphic
3b
98 (>99)
2 d 2a Inline graphic
1c
Inline graphic
3c
97 (>99)
3 2a Inline graphic
1d
Inline graphic
3d
95 (>99)
4 d 2a Inline graphic
1e
Inline graphic
3e
91 (95)
4 d 2a Inline graphic
1f
Inline graphic
3f
94 (97)
5 d 2a Inline graphic
1g
Inline graphic
3g
97 (>99)
6 2a Inline graphic
1h
Inline graphic
3h
90 (92)
7 d Inline graphic
2b
Inline graphic
1i
Inline graphic
3i
98 (>99)
8 Inline graphic
2c

1a
Inline graphic
3j
92 (96)
9 Inline graphic
2d
1a Inline graphic
3k
88 (91)
10 e Inline graphic
2e
1a Inline graphic
3l
98 (>99)
11 f 2a Inline graphic
1j
Inline graphic
3m
81

a: Reaction conditions: azide 1 (1 mmol), alkyne 2 (1 mmol), Cu powder (1 mmol), 5 min, 650 rpm; stainless steel jar (50 mL), 1500 small balls and 48 medium balls; b: Isolated yield, compound purity proved by 1H-NMR and 13C-NMR (see Supporting Info); c: Determined by GC-MS; d: Reaction time 10 min; e: Excess 1a (2 mmol); f: Reaction condition: 0.1 mmol 1j (6-monoazido-β-CD) (0.1 mmol), 2a (0.5 mmol), Cu powder (0.1 mmol), 30 min.