1-Hydroxybenzotriazole → HCID 178523538, compound

HRID 1178145Notes

Reaction equation

C1C=CC2N(O)N=NC=2C=1.CCN(C(C)C)C(C)C.Cl.[C:21]1([C:27]2[NH:31][N:30]=[C:29]([C:32]([OH:34])=O)[CH:28]=2)[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1.CCN=C=NCCCN(C)C.Cl.[NH2:47][CH2:48][C:49]([N:51]1[CH2:56][CH2:55][N:54]([C:57](=[O:68])[C:58]2[CH:63]=[CH:62][CH:61]=[CH:60][C:59]=2[C:64]([F:67])([F:66])[F:65])[CH2:53][CH2:52]1)=[O:50]>CN(C=O)C.O>[O:50]=[C:49]([N:51]1[CH2:52][CH2:53][N:54]([C:57](=[O:68])[C:58]2[CH:63]=[CH:62][CH:61]=[CH:60][C:59]=2[C:64]([F:67])([F:66])[F:65])[CH2:55][CH2:56]1)[CH2:48][NH:47][C:32]([C:29]1[CH:28]=[C:27]([C:21]2[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=2)[NH:31][N:30]=1)=[O:34]

Participants

Conditions

Temperature: 10 °C

Procedure

HOBt (45 mg, 0.33 mmol) and DIPEA (137.5 mg, 1.06 mmol) were added to a stirred solution of 5-phenyl-1H-pyrazole-3-carboxylic acid hydrochloride (50 mg, 0.22 mmol) in DMF (1.0 mL). The reaction mass was cooled to 10° C. and EDCI.HCl (64 mg, 0.33 mmol) was added, followed by the addition of 2-amino-1-[4-(2-trifluoromethyl-benzoyl)-piperazin-1-yl]-ethanone (as TFA salt) (125 mg, 0.29 mmol). The resulting mixture was stirred at room temperature overnight. The mixture was then diluted with water and the resulting precipitate was filtered and dried in vacuo to afford 5-phenyl-1H-pyrazole-3-carboxylic acid {2-oxo-2-[4-(2-trifluoromethyl-benzoyl)-piperazin-1-yl]-ethyl}-amide as a solid product in 62% yield, LC-MS purity: 99.127%, 1H NMR (DMSO): δ 13.6 (s, 1H), 8.1 (s, 1H), 7.7 (m, 5H), 7.4 (m, 4H), 7.1 (s, 1H), 4.1 (m, 2H), 3.6 (m, 4H), 3.4 (m, 2H), 3.2 (m, 2H).

Workup

filtrationthe resulting precipitate was filtered
customdried in vacuo

Sources & evidence

ORD record: ord-f81e1cfb6d754fc1970834f78c88b329
Source dataset: uspto-grants-2010_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07842696B2

Reaction notes

Loading…