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Dimethylformamide → 2-(3-Amino-4-chloro-5-methyl-pyrazol-1-yl)-1-[4-(4-chloro-3-methoxyphenyl)-piperazin-1-yl]-ethanone

HRID 1372084
Notes
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Reaction equation

HRID 1372084 reaction equation
[Cl:1][C:2]1[C:3]([NH2:8])=[N:4][NH:5][C:6]=1[CH3:7].C([O-])([O-])=O.[K+].[K+].Cl[CH2:16][C:17]([N:19]1[CH2:24][CH2:23][N:22]([C:25]2[CH:30]=[CH:29][C:28]([Cl:31])=[C:27]([O:32][CH3:33])[CH:26]=2)[CH2:21][CH2:20]1)=[O:18].CN(C=O)C>CCCCCC.C(OCC)(=O)C>[NH2:8][C:3]1[C:2]([Cl:1])=[C:6]([CH3:7])[N:5]([CH2:16][C:17]([N:19]2[CH2:20][CH2:21][N:22]([C:25]3[CH:30]=[CH:29][C:28]([Cl:31])=[C:27]([O:32][CH3:33])[CH:26]=3)[CH2:23][CH2:24]2)=[O:18])[N:4]=1
ParticipantsProcedureSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6228DimethylformamideHCID 11430Potassium CarbonateHCID 13807164-chloro-5-methyl-1H-pyrazol-3-amineHCID 210711262-Chloro-1-(4-(4-chloro-3-methoxyphenyl)piperazin-1-yl)ethanone

Product 1

HCID 210710462-(3-Amino-4-chloro-5-methyl-pyrazol-1-yl)-1-[4-(4-chloro-3-methoxyphenyl)-piperazin-1-yl]-ethanone

Reagents, catalysts & solvents 1

HCID 21226206Ethyl acetate hexaneSolvent

Procedure

Protocol T was followed using 4-Chloro-5-methyl-1H-pyrazol-3-ylamine, K2CO3, 2-Chloro-1-[4-(4-chloro-3-methoxy-phenyl)-piperazin-1-yl]-ethanone and DMF. Column chromatography using a solvent mixture (hexane/ethyl acetate=1/4) afforded the title compound as colorless oil. 1H NMR (400 MHz, CDCl3): 7.18–7.22 (d, 1H), 6.44–6.48 (d, 1H), 6.36–6.42 (dd, 1H), 5.0 (s, 2H), 4.24 (s, 2H), 2.4 (s, 3H), 3.76–3.86 (m, 4H), 3.12–3.18 (m, 4H). 13C NMR (400 MHz, CDCl3): 164.6, 154.8, 144.6, 130.2, 130, 128.8, 109.2, 102, 56, 51, 49.6, 45.6, 42.

Sources & evidence

ORD record
ord-5794e06bbe8940149b8d4aa93622370a
Source dataset
uspto-grants-2007_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07157464B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes