3,5-Difluoromandelic acid → 2-[2-(3,5-Difluoro-phenyl)-2-hydroxy-acetylamino]-pentanoic acid [1-(1-ethyl-propyl)-1H-imidazol-4-yl]-amide

HRID 1392472Notes

Reaction equation

HRID 1392472 reaction equation
[CH2:1]([CH:3]([N:6]1[CH:10]=[C:9]([NH:11][C:12](=[O:18])[CH:13]([NH2:17])[CH2:14][CH2:15][CH3:16])[N:8]=[CH:7]1)[CH2:4][CH3:5])[CH3:2].[F:19][C:20]1[CH:21]=[C:22]([CH:27]([OH:31])[C:28](O)=[O:29])[CH:23]=[C:24]([F:26])[CH:25]=1>>[CH2:1]([CH:3]([N:6]1[CH:10]=[C:9]([NH:11][C:12](=[O:18])[CH:13]([NH:17][C:28](=[O:29])[CH:27]([C:22]2[CH:23]=[C:24]([F:26])[CH:25]=[C:20]([F:19])[CH:21]=2)[OH:31])[CH2:14][CH2:15][CH3:16])[N:8]=[CH:7]1)[CH2:4][CH3:5])[CH3:2]

Participants

3

Reactant 2

HCID 5886483,5-Difluoromandelic acidHCID 671650412-Amino-pentanoic acid [1-(1-ethyl-propyl)-1H-imidazol-4-yl]-amide

Product 1

HCID 115969792-[2-(3,5-Difluoro-phenyl)-2-hydroxy-acetylamino]-pentanoic acid [1-(1-ethyl-propyl)-1H-imidazol-4-yl]-amide

Procedure

2-Amino-pentanoic acid [1-(1-ethyl-propyl)-1H-imidazol-4-yl]-amide was coupled with (3,5-Difluoro-phenyl)-hydroxy-acetic acid to afford the title compound: C13 NMR (100 MHz, CDCl3) 10.7, 13.7, 13.7, 19.0, 19.1, 35.5, 35.7, 52.9, 53.2, 62.9, 73.4, 73.5, 103.4, 103.7, 105.0, 105.2, 109.6, 109.8, 109.9, 110.1, 132.5, 132.6, 137.4, 137.5, 144.1, 161.7, 161.9, 164.3, 169.2, 169.6, 171.8, 172.0; MS 423.21 m/z (M+1); Diastereomers separated using using Chiralpak AD column, elute 50:50 heptane:ethanol; Flow Rate 275 mL/min.

Sources & evidence

ORD record
ord-9faf13eb37c14d93a05ead3666313391
Source dataset
uspto-grants-2008_03
Patent number
US07342118B2

Reaction notes

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