Dimethylformamide → 1-[4-(4-Chloro-phenyl)-piperazin-1-yl]-2-(3-heptafluoropropyl-5-methyl-4-nitro-pyrazol-1-yl)-ethanone

HRID 270863Notes

Reaction equation

HRID 270863 reaction equation
[F:1][C:2]([F:19])([C:15]([F:18])([F:17])[F:16])[C:3]([F:14])([F:13])[C:4]1[C:8]([N+:9]([O-:11])=[O:10])=[C:7]([CH3:12])[NH:6][N:5]=1.C([O-])([O-])=O.[K+].[K+].Cl[CH2:27][C:28]([N:30]1[CH2:35][CH2:34][N:33]([C:36]2[CH:41]=[CH:40][C:39]([Cl:42])=[CH:38][CH:37]=2)[CH2:32][CH2:31]1)=[O:29].CN(C=O)C>CCCCCC.C(OCC)(=O)C>[Cl:42][C:39]1[CH:38]=[CH:37][C:36]([N:33]2[CH2:32][CH2:31][N:30]([C:28](=[O:29])[CH2:27][N:6]3[C:7]([CH3:12])=[C:8]([N+:9]([O-:11])=[O:10])[C:4]([C:3]([F:13])([F:14])[C:2]([F:1])([F:19])[C:15]([F:17])([F:18])[F:16])=[N:5]3)[CH2:35][CH2:34]2)=[CH:41][CH:40]=1

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 27749443-(Heptafluoropropyl)-5-methyl-4-nitro-1H-pyrazoleHCID 40539571-(Chloroacetyl)-4-(4-chlorophenyl)piperazine

Product 1

HCID 210709951-[4-(4-Chloro-phenyl)-piperazin-1-yl]-2-(3-heptafluoropropyl-5-methyl-4-nitro-pyrazol-1-yl)-ethanone

Reagents, catalysts & solvents 1

HCID 21226206Ethyl acetate hexaneSolvent

Procedure

Protocol T was followed using 3-Heptafluoropropyl-5-methyl-4-nitro-1H-pyrazole, K2CO3, 2-Chloro-1-[4-(4-chloro-phenyl)-piperazin-1-yl]-ethanone and DMF. Column chromatography using a solvent mixture (hexane/ethyl acetate=1/4, Rf=0.81) afforded the title compound as colorless oil. 1H NMR (400 MHz, CDCl3): 6.92-7.02 (m, 2H), 6.82-6.9 (m, 2H), 5.04-5.14 (m, 2H), 3.64-3.82 (m, 4H), 3.06-3.18 (m, 4H), 2.6-2.66 (d, 3H). 13C NMR (400 MHz, CDCl3): 160.4, 146, 144.2, 119.2, 118.2, 52, 50.8, 50.6, 46, 42, 12.2.

Sources & evidence

ORD record
ord-fdc8acaf1fc74aa1b463c14b52d13b3c
Source dataset
uspto-grants-2008_11
Patent number
US07449576B1

Reaction notes

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