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Benzoic Acid → N-[3-(3-Methyl-4-oxo-5H-2-oxa-1,5,8-triaza-cyclopenta[a]naphthalen-5-yl)-cyclohexylmethyl]-benzamide

HRID 1823305
Notes
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Reaction equation

HRID 1823305 reaction equation
I.[NH2:2][CH2:3][CH:4]1[CH2:9][CH2:8][CH2:7][CH:6]([N:10]2[C:19]3[C:14](=[CH:15][N:16]=[CH:17][CH:18]=3)[C:13]3=[N:20][O:21][C:22]([CH3:23])=[C:12]3[C:11]2=[O:24])[CH2:5]1.[C:25](O)(=[O:32])[C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1.Cl.CN(C)CCCN=C=NCC.ON1C2N=CC=CC=2N=N1.C(N(CC)C(C)C)(C)C>CN(C)C=O>[CH3:23][C:22]1[O:21][N:20]=[C:13]2[C:14]3[C:19](=[CH:18][CH:17]=[N:16][CH:15]=3)[N:10]([CH:6]3[CH2:7][CH2:8][CH2:9][CH:4]([CH2:3][NH:2][C:25](=[O:32])[C:26]4[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=4)[CH2:5]3)[C:11](=[O:24])[C:12]=12
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 243Benzoic AcidHCID 81531DiisopropylethylamineHCID 181649HOAtHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 221701365-(3-aminomethyl-cyclohexyl)-3-methyl-5H-2-oxa-1,5,8-triaza-cyclopenta[a]naphthalen-4-one hydroiodide

Product 1

HCID 10202002
N-[3-(3-Methyl-4-oxo-5H-2-oxa-1,5,8-triaza-cyclopenta[a]naphthalen-5-yl)-cyclohexylmethyl]-benzamide
Yield 71.3%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Combine 5-(3-aminomethyl-cyclohexyl)-3-methyl-5H-2-oxa-1,5,8-triaza-cyclopenta[a]naphthalen-4-one hydroiodide (145 mg, 0.33 mmol) with benzoic acid (44 mg, 0.36 mmol), 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide hydrochloride (70 mg, 0.36 mmol), 1-hydroxy-7-azabenzo-triazole (49 mg, 0.36 mmol), and N,N-diisopropylethyl amine (0.20 mL, 1.15 mmol), in N,N-dimethylformamide (4 mL) and stir over the weekend at ambient temperature. Concentrate in vacuo and take up in water and extract with dichloromethane. Dry over sodium sulfate and concentrate in vacuo. Elute over silica gel using methanol/dichloromethane to give 98 mg (71%) of the desired product as a white solid. MS(ES): (M+1)+ 417.0, 418.1 m/z.

Workup

  1. concentrationConcentrate in vacuo
  2. extractionextract with dichloromethane
  3. dry with materialDry over sodium sulfate
  4. concentrationconcentrate in vacuo
  5. washElute over silica gel

Sources & evidence

ORD record
ord-5d798efa22ee417485a1f2d467085f8c
Source dataset
uspto-grants-2006_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07037921B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes