3,3-Dimethylbutanoyl chloride → N-{4-[(4-butylphenyl)ethynyl]benzyl}-N-(2,2-dimethyl-4-oxo-4H-1,3-benzodioxin-7-yl)-3,3-dimethylbutanamide
Reaction equation
[CH2:1]([C:5]1[CH:10]=[CH:9][C:8]([C:11]#[C:12][C:13]2[CH:33]=[CH:32][C:16]([CH2:17][NH:18][C:19]3[CH:20]=[CH:21][C:22]4[C:27](=[O:28])[O:26][C:25]([CH3:30])([CH3:29])[O:24][C:23]=4[CH:31]=3)=[CH:15][CH:14]=2)=[CH:7][CH:6]=1)[CH2:2][CH2:3][CH3:4].[C:34]([CH2:38][C:39](Cl)=[O:40])([CH3:37])([CH3:36])[CH3:35]>>[CH2:1]([C:5]1[CH:6]=[CH:7][C:8]([C:11]#[C:12][C:13]2[CH:33]=[CH:32][C:16]([CH2:17][N:18]([C:19]3[CH:20]=[CH:21][C:22]4[C:27](=[O:28])[O:26][C:25]([CH3:29])([CH3:30])[O:24][C:23]=4[CH:31]=3)[C:39](=[O:40])[CH2:38][C:34]([CH3:37])([CH3:36])[CH3:35])=[CH:15][CH:14]=2)=[CH:9][CH:10]=1)[CH2:2][CH2:3][CH3:4]Participants
3
Procedure
The titled compound was prepared following the procedure M using 7-({4-[(4-butylphenyl)ethynyl]benzyl}amino)-2,2-dimethyl-4H-1,3-benzodioxin-4-one and tert-butyl acetyl chloride as an orange solid (71%). 1HNMR (CDCl3, 300 MHz) δ: 7.91 (d, J=8.3 Hz, 1H), 7.43 (m, 2H), 7.39 (m, 2H), 7.16 (m, 2H), 7.14 (m, 2H), 6.76 (m, 0.5H), 6.73 (m, 0.5H), 6.55 (m, 1H), 4.88 (s, 2H), 2.61 (t, J=7.7 Hz, 2H), 2.09 (s, 2H), 1.71 (s, 6H), 1.67-1.54 (m, 2H), 1.41-1.27 (m, 2H), 1.00 (s, 9H), 0.92 (t, J=7.4 Hz, 3H). HPLC, Rt: 6.02 min, (Purity: 98.9%).
Sources & evidence
- ORD record
- ord-4c0ec9241ead4bb09e9eaed4da12f89f
- Source dataset
- uspto-grants-2009_09
- Patent number
- US07589232B2
Reaction notes
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