Pyridine-3-sulfonyl chloride hydrochloride → (3{[(4-Pyrazol-1-yl-benzyl)-(pyridine-3-sulfonyl)-amino]-methyl}-phenoxy)-acetic acid tert-butyl ester
Reaction equation
[C:1]([O:5][C:6](=[O:29])[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]([N:24]3[CH:28]=[CH:27][CH:26]=[N:25]3)=[CH:20][CH:19]=2)[CH:10]=1)([CH3:4])([CH3:3])[CH3:2].Cl.[N:31]1[CH:36]=[CH:35][CH:34]=[C:33]([S:37](Cl)(=[O:39])=[O:38])[CH:32]=1>>[C:1]([O:5][C:6](=[O:29])[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]([N:24]3[CH:28]=[CH:27][CH:26]=[N:25]3)=[CH:22][CH:23]=2)[S:37]([C:33]2[CH:32]=[N:31][CH:36]=[CH:35][CH:34]=2)(=[O:39])=[O:38])[CH:10]=1)([CH3:4])([CH3:2])[CH3:3]Participants
3
Procedure
The title compound of Step B was prepared from {3-[(4-pyrazol-1-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 with a reaction time of 2 h. 1H NMR (400 MHz, CDCl3) δ 9.05 (s, 1H), 8.78 (d, 1H), 8.03 (dd, 1H), 7.88 (m, 1H), 7.69 (m, 1H), 7.55 (d, 2H), 7.42 (m, 1H), 7.13 (m, 3H), 6.76 (d, 1H), 6.66 (m, 2H), 6.45 (m, 1H), 4.39 (s, 2H), 4.38 (s, 2H), 4.33 (s, 2H), 1.47 (s, 9H); MS 535(M+1).
Workup
- customdescribed in Example 3, Step B with a reaction time of 2 h
Sources & evidence
- ORD record
- ord-95403e2fbf81407484d5b36d92d68e44
- Source dataset
- uspto-grants-2002_12
- Patent number
- US06498172B1
Reaction notes
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