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Diisopropylethylamine → 3-(3-Methyl-4-oxo-5H-2-oxa-1,5,7-triaza-cyclopenta[a]naphthalen-5-yl)-cyclohexanecarboxylic acid 3,4,5-trimethoxy-benzylamide

HRID 1823309
Notes
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Reaction equation

HRID 1823309 reaction equation
[CH3:1][C:2]1[O:3][N:4]=[C:5]2[C:14]3[C:9](=[CH:10][N:11]=[CH:12][CH:13]=3)[N:8]([CH:15]3[CH2:20][CH2:19][CH2:18][CH:17]([C:21]([OH:23])=O)[CH2:16]3)[C:7](=[O:24])[C:6]=12.Cl.CN(C)CCCN=C=NCC.ON1C2N=CC=CC=2N=N1.C(N(CC)C(C)C)(C)C.[CH3:56][O:57][C:58]1[CH:59]=[C:60]([CH:63]=[C:64]([O:68][CH3:69])[C:65]=1[O:66][CH3:67])[CH2:61][NH2:62]>CN(C)C=O>[CH3:69][O:68][C:64]1[CH:63]=[C:60]([CH:59]=[C:58]([O:57][CH3:56])[C:65]=1[O:66][CH3:67])[CH2:61][NH:62][C:21]([CH:17]1[CH2:18][CH2:19][CH2:20][CH:15]([N:8]2[C:9]3[C:14](=[CH:13][CH:12]=[N:11][CH:10]=3)[C:5]3=[N:4][O:3][C:2]([CH3:1])=[C:6]3[C:7]2=[O:24])[CH2:16]1)=[O:23]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 81531DiisopropylethylamineHCID 877363,4,5-TrimethoxybenzylamineHCID 181649HOAtHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 221701653-(3-Methyl-4-oxo-5H-2-oxa-1,5,7-triaza-cyclopenta[a]naphthalen-5-yl)-cyclohexanecarboxylic acid

Product 1

HCID 69652763
3-(3-Methyl-4-oxo-5H-2-oxa-1,5,7-triaza-cyclopenta[a]naphthalen-5-yl)-cyclohexanecarboxylic acid 3,4,5-trimethoxy-benzylamide
Yield 86.9%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Combine 3-(3-methyl-4-oxo-5H-2-oxa-1,5,7-triaza-cyclopenta[a]naphthalen-5-yl)-cyclohexanecarboxylic acid (50 mg, 0.15 mmol) with 1-[3-(dimethyl-amino)propyl]-3-ethylcarbodiimide hydrochloride (32 mg, 0.17 mmol), 1-hydroxy-7-azabenzo-triazole (23 mg, 0.17 mmol), N,N-diisopropylethyl amine (44 mg, 3.4 mmol) and 3,4,5-trimethoxy benzylamine (33 mg, 0.17 mmol) in N,N-dimethyl-formamide (4 mL) and stir overnight at ambient temperature. Concentrate in vacuo and take up in water and extract with dichloromethane. Dry the combined extracts over sodium sulfate. Concentrate and chromatograph over silica gel to give 66 mg (85%) of the desired product as a white solid. MS(ES): (M+1)+ 507.2, 508.2, 509.2 m/z.

Workup

  1. concentrationConcentrate in vacuo
  2. extractionextract with dichloromethane
  3. dry with materialDry the combined extracts over sodium sulfate
  4. concentrationConcentrate

Sources & evidence

ORD record
ord-12428d4fa8114ee9b6bebc72afe7c4b2
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