2-azido-1,3-difluorobenzene

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The general click procedure was used substituting the following quantities using: 37 (48 mg, 0.14 mmol); 2-azido-1,3-difluorobenzene (24 mg, 0.15 mmol); CuSO4 (3.5 mg, 0.02 mmol); NaAsc (18 mg, 0.09 mmol); TBTA (12 mg, 0.01 mmol); in t-BuOH/EtOH/H2O (1:1:0.5); afforded 47 as a white solid (30 mg, 42.8%). 1H NMR (400 MHz, DMSO-d6): δ 8.79-8.74 (d, 1H, J=1.79 Hz); 7.68-7.64 (m, 2H); 7.50 (s, 1H): 7.36-7.34 (d, 2H); 7.28-7.26 (d, 2H), 7.15-7.10 (m, 2H), 6.98 (s, 1H); 5.50 (s, 1H); 4.83-4.78 (m, 1H); 4.59-4.58 (d, 1H); 4.29-4.25 (m, 2H); 3.99-3.97 (q, 1H); 3.81 (s, 3H); 3.69-3.68 (m, 3H); 3.55-3.54 (d, 1H); 3.37-3.19 (abq, 2H); 2.35 (s, 3H); 1.93 (s, 3H) 1.33-1.29 (t, 3H). 13C NMR (DMSO-d6, 100 MHz): 169.25, 165.62, 153.65, 152.98, 144.93, 140.11, 134.51, 134.50, 128.12, 124.69, 115.88, 63.51, 52.69, 52, 78, 51.98, 48.66, 34.54, 33.10, 20.69, 16.89, 13.52.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: The general click procedure was used substituting the following quantities using: 37 (48 mg, 0.14 mmol); 2-azido-1,3-difluorobenzene (24 mg, 0.15 mmol); CuSO4 (3.5 mg, 0.02 mmol); NaAsc (18 mg, 0.09 mmol); TBTA (12 mg, 0.01 mmol); in t-BuOH/EtOH/H2O (1:1:0.5); afforded 46 as a white solid (20 mg, 31.6%). 1H NMR (DMSO-d6, 400 MHz): δ 8.74-8.73 (d, 1H, J=1.79 Hz); 7.74-7.72 (m, 2H); 7.55-7.45 (m, 1H); 7.34-7.32 (m, 1H); 7.17-7.13 (t, 2H); 7.04-7.03 (d, 1H, J=1.72 Hz); 4.82-4.80 (q, 1H); 4.57-4.56 (d, 2H, J=5.97 Hz); 4.29-4.24 (m, 2H); 3.71-3.70 (d, 1H, J=1.78 Hz); 3.55-3.54 (d, 1H, J=1.78 Hz); 3.35-3.18 (m, 2H); 1.33-1.30 (t, 3H). 13C NMR (CDCl3, 100 MHz): 170.16, 166.65, 166.30, 158.01, 155.46, 153.29, 152.24, 144.36, 131.48, 129.14, 125.10, 116.01, 112.64, 62.24, 53.81, 52.74, 52.62, 34.74, 32.91, 13.99.