Cyclobutanone → HCID 24743881, compound
Reaction equation
[N:1]1([C:9]2[CH:14]=[CH:13][C:12]([C:15]3[CH:20]=[CH:19][C:18]([N:21]4[C:26](=[O:27])[CH:25]=[CH:24][CH:23]=[N:22]4)=[CH:17][CH:16]=3)=[CH:11][CH:10]=2)[CH2:5][CH2:4][C@@H:3]2[CH2:6][NH:7][CH2:8][C@H:2]12.[C:28]1(=O)[CH2:31][CH2:30][CH2:29]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>>[CH:28]1([N:7]2[CH2:6][C@@H:3]3[C@@H:2]([N:1]([C:9]4[CH:14]=[CH:13][C:12]([C:15]5[CH:20]=[CH:19][C:18]([N:21]6[C:26](=[O:27])[CH:25]=[CH:24][CH:23]=[N:22]6)=[CH:17][CH:16]=5)=[CH:11][CH:10]=4)[CH2:5][CH2:4]3)[CH2:8]2)[CH2:31][CH2:30][CH2:29]1Participants
4
Procedure
The product from Example 85B (0.033 g, 0.092 mmol), cyclobutanone (8.00 μL, 0.101 mmol), and sodium triacetoxyborohydride (0.025 g, 0.0.120 mmol) were processed as described in Example 85C to provide the title compound. 1H NMR (300 MHz, CDCl3) δ ppm 7.91 (d, J=1.7 Hz, 1H), 7.63 (s, 4H), 7.50 (d, J=8.5 Hz, 2H), 7.23 (d, J=3.7 Hz, 1H), 7.07 (d, J=8.8 Hz, 1H), 6.65 (d, J=8.5 Hz, 2H), 4.13-4.24 (m, 1H), 3.52 (q, 1H), 3.32 (q, J=7.3 Hz, 1H), 2.74-3.04 (m, 3H), 2.63 (t, 1H), 2.46 (dd, J=9.3, 2.2 Hz, 1H), 2.35 (dd, J=8.8, 4.4 Hz, 1H), 2.06-2.23 (m, 1H), 1.82-2.05 (m, 4H), 1.60-1.80 (m, 3H). MS (ESI+) m/z 413 (M+H)+.
Sources & evidence
- ORD record
- ord-e08b9fcfec1e48899d98636f16ebb5c1
- Source dataset
- uspto-grants-2013_03
- Patent number
- US08399468B2
Reaction notes
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