Triethylamine → HCID 56833305, compound

HRID 920957Notes

Reaction equation

HRID 920957 reaction equation
[F:1][C:2]1[CH:10]=[CH:9][C:8]([CH2:11][C:12]2[C:21]3[C:16](=[CH:17][CH:18]=[CH:19][CH:20]=3)[C:15](=[O:22])[NH:14][N:13]=2)=[CH:7][C:3]=1[C:4](O)=[O:5].ON1C2C=CC=CC=2N=N1.[F:33][C:34]([F:47])([F:46])[C:35]1[N:39]2[CH2:40][CH2:41][NH:42][CH2:43][C:38]2=[C:37]([CH2:44][OH:45])[N:36]=1.C(N(CC)CC)C>CN(C)C=O>[F:1][C:2]1[CH:10]=[CH:9][C:8]([CH2:11][C:12]2[C:21]3[C:16](=[CH:17][CH:18]=[CH:19][CH:20]=3)[C:15](=[O:22])[NH:14][N:13]=2)=[CH:7][C:3]=1[C:4]([N:42]1[CH2:41][CH2:40][N:39]2[C:35]([C:34]([F:47])([F:33])[F:46])=[N:36][C:37]([CH2:44][OH:45])=[C:38]2[CH2:43]1)=[O:5]

Participants

6

Reactant 4

HCID 8471TriethylamineHCID 757711-HydroxybenzotriazoleHCID 248117402-Fluoro-5-[(4-oxo-3,4-dihydrophthalazin-1-yl)methyl]benzoic acidHCID 76849799HCID 76849799, compound

Product 1

HCID 56833305HCID 56833305, compoundYield 64%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

2-Fluoro-5-[(4-oxo-3H-phthalazin-1-yl)methyl]benzoic acid 1a (372 mg, 1.25 mmol) was dissolved in 5 mL of N,N-dimethylformamide, followed by addition of N-hydroxybenzotriazole (85 mg, 0.63 mmol), [3-(trifluoromethyl)-5,6,7,8-tetrahydro imidazo[1,5-a]pyrazin-1-yl]methanol 6a (277 mg, 1.25 mmol), 1-ethyl-(3-dimethyl-aminopropyl) carbodiimide hydrochloride (359 mg, 1.88 mmol) and triethylamine (0.3 mL, 2.5 mmol). After stirring for 12 hours, the reaction mixture was concentrated under reduced pressure and the resulting residue was purified by thin layer chromatography with elution system A to obtain 4-[[4-fluoro-3-[1-(hydroxymethyl)-3-(trifluoromethyl)-6,8-dihydro-5H-imidazo[1,5-a]pyrazine-7-carbonyl]phenyl]methyl]-2H-phthalazin-1-one 6 (400 mg, yield 64.0%) as a white solid.

Workup

  1. concentrationthe reaction mixture was concentrated under reduced pressure
  2. customthe resulting residue was purified by thin layer chromatography with elution system

Sources & evidence

ORD record
ord-e9839d32f1134f55b5171657e534e1d2
Source dataset
uspto-grants-2016_03
Patent number
US09273052B2

Reaction notes

Loading…