Dimethylformamide → 1-{2-[4-(4-Fluoro-phenyl)-piperazin-1-yl]-2-oxo-ethyl}-1H-pyrazole-3,5-dicarboxylic acid diethyl ester

HRID 1372102

Reaktionsgleichung

Reaktionsgleichung von HRID 1372102
[CH2:1]([O:3][C:4]([C:6]1[CH:10]=[C:9]([C:11]([O:13][CH2:14][CH3:15])=[O:12])[NH:8][N:7]=1)=[O:5])[CH3:2].C([O-])([O-])=O.[K+].[K+].Cl[CH2:23][C:24]([N:26]1[CH2:31][CH2:30][N:29]([C:32]2[CH:37]=[CH:36][C:35]([F:38])=[CH:34][CH:33]=2)[CH2:28][CH2:27]1)=[O:25].CN(C=O)C>CCCCCC.C(OCC)(=O)C>[CH2:14]([O:13][C:11]([C:9]1[CH:10]=[C:6]([C:4]([O:3][CH2:1][CH3:2])=[O:5])[N:7]([CH2:23][C:24]([N:26]2[CH2:27][CH2:28][N:29]([C:32]3[CH:37]=[CH:36][C:35]([F:38])=[CH:34][CH:33]=3)[CH2:30][CH2:31]2)=[O:25])[N:8]=1)=[O:12])[CH3:15]

Komponenten

6

Versuchsvorschrift

Protocol T was followed using 1H-Pyrazole-3,5-dicarboxylic acid diethyl ester, K2CO3, 2-Chloro-1-[4-(4-fluoro-phenyl)-piperazin-1-yl]-ethanone and DMF. Column chromatography using a solvent mixture (hexane/ethyl acetate=1/1) afforded the title compound as a white solid. 1H NMR (400 MHz, CDCl3): 7.38 (s, 1H), 6.94–7.0 (m, 2H), 6.82–7.90 (dd, 2H), 5.54 (s, 2H), 4.36–4.42 (q, 2H), 4.26–4.32 (q, 2H), 3.60–3.80 (m, 4H), 3.02–3.20 (m, 4H), 1.22–1.42 (m, 6H). 13C NMR (400 MHz, CDCl3): 164.2, 162.2, 158.2, 157.4, 156.2, 148.5, 144.4, 134.2, 118.4, 116.2, 115.8, 114.2, 62, 61.8, 54.2, 50.6, 50.2, 45.2, 42.2, 14.6, 14.2.

Quellen und Nachweise

ORD-Eintrag
ord-58e5dad592634c67a3e70356f5969338
Quelldatensatz
uspto-grants-2007_01
Patentnummer
US07157464B2

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