4-(Pyrazin-2-yl)benzaldehyde → {3-[(4-Pyrazin-2-yl-benzylamino)-methyl]-phenoxy}-acetic acid tert-butyl ester
Reaction equation
[C:1]([O:5][C:6](=[O:17])[CH2:7][O:8][C:9]1[CH:14]=[CH:13][CH:12]=[C:11]([CH2:15][NH2:16])[CH:10]=1)([CH3:4])([CH3:3])[CH3:2].[N:18]1[CH:23]=[CH:22][N:21]=[CH:20][C:19]=1[C:24]1[CH:31]=[CH:30][C:27]([CH:28]=O)=[CH:26][CH:25]=1>C(N(CC)CC)C>[C:1]([O:5][C:6](=[O:17])[CH2:7][O:8][C:9]1[CH:14]=[CH:13][CH:12]=[C:11]([CH2:15][NH:16][CH2:28][C:27]2[CH:26]=[CH:25][C:24]([C:19]3[CH:20]=[N:21][CH:22]=[CH:23][N:18]=3)=[CH:31][CH:30]=2)[CH:10]=1)([CH3:4])([CH3:2])[CH3:3]Participants
4
Procedure
The title compound of Step A was prepared from (3-aminomethyl-phenoxy)-acetic acid tert-butyl ester, of Preparation 20, and 4-pyrazin-2-yl-benzaldehyde, of Preparation 27, using the method described in Example 3, Step A, except no triethylamine was used. 1H NMR (400 MHz, CDCl3) δ 9.00 (s, 1H), 8.60 (m, 1H), 8.47 (d, 1H), 7.96 (d, 2H), 7.62 (m, 1H), 7.47 (d, 2H), 7.22 (m, 1H), 6.94 (m, 1H), 6.76 (dd, 1H), 4.50 (s, 2H), 3.85 (s, 2H), 3.78 (s, 2H), 1.46 (s, 9H); MS 406 (M+1).
Sources & evidence
- ORD record
- ord-0ba01cfaf46c45f4b71bcb60e593181f
- Source dataset
- uspto-grants-2008_10
- Patent number
- US07442702B2
Reaction notes
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