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Dimethylformamide → 2-(5-Amino-3-furan-2-yl-pyrazol-1-yl)-1-[4-(4-fluoro-phenyl)-piperazin-1-yl]-ethanone

HRID 270888
Notes
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Reaction equation

HRID 270888 reaction equation
[O:1]1[CH:5]=[CH:4][CH:3]=[C:2]1[C:6]1[NH:7][N:8]=[C:9]([NH2:11])[CH:10]=1.C([O-])([O-])=O.[K+].[K+].Cl[CH2:19][C:20]([N:22]1[CH2:27][CH2:26][N:25]([C:28]2[CH:33]=[CH:32][C:31]([F:34])=[CH:30][CH:29]=2)[CH2:24][CH2:23]1)=[O:21].CN(C=O)C>C(OCC)(=O)C>[NH2:11][C:9]1[N:8]([CH2:19][C:20]([N:22]2[CH2:23][CH2:24][N:25]([C:28]3[CH:33]=[CH:32][C:31]([F:34])=[CH:30][CH:29]=3)[CH2:26][CH2:27]2)=[O:21])[N:7]=[C:6]([C:2]2[O:1][CH:5]=[CH:4][CH:3]=2)[CH:10]=1
ParticipantsProcedureSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 5231833-(furan-2-yl)-1H-pyrazol-5-amineHCID 18485111-(Chloroacetyl)-4-(4-fluorophenyl)piperazine

Product 1

HCID 210711162-(5-Amino-3-furan-2-yl-pyrazol-1-yl)-1-[4-(4-fluoro-phenyl)-piperazin-1-yl]-ethanone

Reagents, catalysts & solvents 1

HCID 8857
Ethyl Acetate
Solvent

Procedure

Protocol T was followed using 3-Furan-2-yl-2H-pyrazol-5-ylamine, K2CO3, 2-Chloro-1-[4-(4-fluoro-phenyl)-piperazin-1-yl]-ethanone and DMF. Column chromatography using 100% ethyl acetate afforded the title compound as a white solid. 1H NMR (400 MHz, CD6CO); 7.48-7.52 (m, 1H), 6.98-7.06 (m, 2H), 6.52-6.56 (m, 2H), 6.44-6.48 (m, 2H), 5.74 (s, 1H), 4.98 (s, 2H), 3.68-3.88 (m, 4H), 3.12-3.24 (m, 4H). MS (ES) M+H) expected=369.4, found 370.1.

Sources & evidence

ORD record
ord-80f78dd5e08543cfb3eb0a698619c768
Source dataset
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07449576B1

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes