1-Phenylpiperazine → 2-(4-Chloro-3-trifluoromethyl-5-methyl-pyrazol-1-yl)-1-(4-phenyl-piperazin-1-yl)-ethanone

HRID 270829Notes

Reaction equation

CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[C:25]1([N:31]2[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]2)[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=1.[Cl:37][C:38]1[C:39]([C:48]([F:51])([F:50])[F:49])=[N:40][N:41]([CH2:44][C:45](O)=[O:46])[C:42]=1[CH3:43]>>[Cl:37][C:38]1[C:39]([C:48]([F:50])([F:49])[F:51])=[N:40][N:41]([CH2:44][C:45]([N:34]2[CH2:35][CH2:36][N:31]([C:25]3[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=3)[CH2:32][CH2:33]2)=[O:46])[C:42]=1[CH3:43]

Participants

Reactant 3

HCID 70961-Phenylpiperazine

HCID 1876853(4-Chloro-5-methyl-3-trifluoromethyl-pyrazol-1-yl)-acetic acid

HCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)

Product 1

HCID 210710662-(4-Chloro-3-trifluoromethyl-5-methyl-pyrazol-1-yl)-1-(4-phenyl-piperazin-1-yl)-ethanone

Procedure

Title compound was prepared following the HATU mediated coupling protocol P, wherein 1-Phenylpiperazine and (4-Chloro-5-methyl-3-trifluoromethyl-pyrazol-1-yl)-acetic acid were used as the coupling components, to give the product as a solid: 1H NMR (DMSO-d6, 400 MHz) 7.32 (m 4H), 7.02 (m, 1H), 5.40 (s, 2H), 3.74 (m, 4H), 3.39 (m, 2H), 3.29 (m, 2H), 2.19 (s, 3H) ppm; MS (ES) expect M+H=387.1, found 387.1.

Sources & evidence

ORD record: ord-02d9c598d0ed4c0a84a725ea3365744a
Source dataset: uspto-grants-2008_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07449576B1

Reaction notes

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