Reaction equation
[CH2:1]([O:8][C:9]1[CH:24]=[C:23]([N:25]([CH2:41][C:42]2[CH:47]=[CH:46][C:45]([CH:48]3[CH2:53][CH2:52][NH:51][CH2:50][CH2:49]3)=[CH:44][CH:43]=2)[C:26](=[O:40])[CH2:27][N:28]([CH3:39])[S:29]([C:32]2[CH:37]=[CH:36][C:35]([CH3:38])=[CH:34][CH:33]=2)(=[O:31])=[O:30])[CH:22]=[CH:21][C:10]=1[C:11]([O:13][CH2:14][C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1)=[O:12])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[C:54]([C:56]1[CH:64]=[CH:63][C:59]([C:60](O)=[O:61])=[CH:58][CH:57]=1)#[N:55]>>[CH2:1]([O:8][C:9]1[CH:24]=[C:23]([N:25]([CH2:41][C:42]2[CH:43]=[CH:44][C:45]([CH:48]3[CH2:49][CH2:50][N:51]([C:60](=[O:61])[C:59]4[CH:63]=[CH:64][C:56]([C:54]#[N:55])=[CH:57][CH:58]=4)[CH2:52][CH2:53]3)=[CH:46][CH:47]=2)[C:26](=[O:40])[CH2:27][N:28]([CH3:39])[S:29]([C:32]2[CH:37]=[CH:36][C:35]([CH3:38])=[CH:34][CH:33]=2)(=[O:31])=[O:30])[CH:22]=[CH:21][C:10]=1[C:11]([O:13][CH2:14][C:15]1[CH:16]=[CH:17][CH:18]=[CH:19][CH:20]=1)=[O:12])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1Participants
Reactant 2
Product 1
Procedure
Condensation of 21 with 4-cyanobenzoic acid on a 0.10 mmol scale via General Procedure F furnished 24 (63 mg, 89%): δH (400 MHz, CDCl3) 1.59-1.72 (m, 4H, CH2), 1.83-1.94 (m, 2H, CH2), 2.39 (s, 3H, CH3), 2.79-3.21 (m, 8H, CH3, CH and CH2), 3.65 (s, 2H, CH2), 4.77 (s, 2H, CH2), 4.95 (s, 2H, CH2), 4.97 (s, 2H, CH2), 5.34 (s, 2H, CH2), 6.60 (t, J=8.4 Hz, 1H, CH), 6.69 (dd, J=8.0 and 1.6 Hz, 1H, CH), 7.03-7.12 (m, 4H, 4 CH (Ar)), 7.21-7.82 (m, 12H, 12 CH (Ar)); δC (100 MHz, CDCl3) 21.4, 29.5, 35.9, 42.0, 48.1, 51.3, 52.7, 66.9, 70.6, 113.3, 113.9, 119.9, 120.7, 126.7, 126.9, 127.3, 127.4, 127.9, 128.1 (2), 128.4, 128.5, 129.0, 129.4, 132.3, 132.9, 134.8, 135.0, 135.5, 135.6, 140.0, 143.3, 144.0, 144.8, 158.6, 165.2, 167.0, 168.3; LRMS (ES+) calcd for [C51H48N4O7S+H] 861.33 found 861.38.
Sources & evidence
- ORD record
- ord-c55bfc281ba74c569540eb90e8a3697a
- Source dataset
- uspto-grants-2014_09
- Patent number
- US08846707B2
Linked notes
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