Pyridine-3-sulfonyl chloride hydrochloride → (3-{[(4-Pyrazin-2-yl-benzyl)-(pyridine-3-sulfonyl)-amino]-methyl}-phenoxy)-acetic acid tert-butyl ester
Reaction equation
[C:1]([O:5][C:6](=[O:30])[CH2:7][O:8][C:9]1[CH:14]=[CH:13][CH:12]=[C:11]([CH2:15][NH:16][CH2:17][C:18]2[CH:23]=[CH:22][C:21]([C:24]3[CH:29]=[N:28][CH:27]=[CH:26][N:25]=3)=[CH:20][CH:19]=2)[CH:10]=1)([CH3:4])([CH3:3])[CH3:2].Cl.[N:32]1[CH:37]=[CH:36][CH:35]=[C:34]([S:38](Cl)(=[O:40])=[O:39])[CH:33]=1>>[C:1]([O:5][C:6](=[O:30])[CH2:7][O:8][C:9]1[CH:14]=[CH:13][CH:12]=[C:11]([CH2:15][N:16]([CH2:17][C:18]2[CH:19]=[CH:20][C:21]([C:24]3[CH:29]=[N:28][CH:27]=[CH:26][N:25]=3)=[CH:22][CH:23]=2)[S:38]([C:34]2[CH:33]=[N:32][CH:37]=[CH:36][CH:35]=2)(=[O:40])=[O:39])[CH:10]=1)([CH3:4])([CH3:2])[CH3:3]Participants
3
Procedure
The title compound of Step B was prepared from {3-[(4-pyrazin-2-yl-benzylamino)-methyl]-phenoxy}-acetic acid tert-butyl ester of Step A and pyridine-3-sulfonyl chloride hydrochloride, of Preparation 2, following the method described in Example 3, Step B. 1H NMR (400 MHz, CDCl3) δ 9.05 (s, 1H), 8.97 (m, 1H), 8.78 (m, 1H), 8.60 (m, 1H), 8.50 (d, 1H), 8.03 (m, 1H), 7.88 (m, 2H), 7.42 (m, 1H), 7.23 (m, 2H), 7.13 (m, 1H), 6.66 (m, 1H), 6.65 (m, 2H), 4.43 (s, 2H), 4.39 (s, 2H), 4.35 (s, 2H), 1.47 (s, 9H); MS 547 (M+1).
Sources & evidence
- ORD record
- ord-37773f1df01c452ebbcef3706bd05320
- Source dataset
- uspto-grants-2008_10
- Patent number
- US07442702B2
Reaction notes
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