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1-Hydroxybenzotriazole → HCID 178423664, compound

HRID 1169415
Notes
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Reaction equation

HRID 1169415 reaction equation
[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[CH:9]=[CH:10][C:11]3[O:17][CH2:16][CH2:15][C:14]([C:18](O)=[O:19])=[CH:13][C:12]=3[CH:21]=2)=[CH:4][CH:3]=1.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C.[NH2:44][C@H:45]1[CH2:50][CH2:49][C@H:48]([CH2:51][N:52]([CH:54]2[CH2:59][CH2:58][N:57]([C:60]([O:62][C:63]([CH3:66])([CH3:65])[CH3:64])=[O:61])[CH2:56][CH2:55]2)[CH3:53])[CH2:47][CH2:46]1>C(#N)C.C(N(CC)CC)C>[C:63]([O:62][C:60]([N:57]1[CH2:58][CH2:59][CH:54]([N:52]([CH2:51][C@H:48]2[CH2:49][CH2:50][C@H:45]([NH:44][C:18]([C:14]3[CH2:15][CH2:16][O:17][C:11]4[CH:10]=[CH:9][C:8]([C:5]5[CH:4]=[CH:3][C:2]([CH3:1])=[CH:7][CH:6]=5)=[CH:21][C:12]=4[CH:13]=3)=[O:19])[CH2:46][CH2:47]2)[CH3:53])[CH2:55][CH2:56]1)=[O:61])([CH3:66])([CH3:65])[CH3:64]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 105646997-(4-Methylphenyl)-2,3-dihydrobenzooxepine-4-carboxylic acidHCID 178484106HCID 178484106, compound

Product 1

HCID 178423664HCID 178423664, compoundYield 66.8%

Reagents, catalysts & solvents 2

HCID 6342AcetonitrileSolvent2×HCID 8471TriethylamineSolvent

Procedure

Into a suspension of 7-(4-methylphenyl)-2,3-dihydro-1-benzooxepine-4-carboxylic acid (400 mg) and 1-hydroxybenzotriazole (289 mg) in acetonitrile (20 ml) was added at room temperature 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (0.41 g), and the resulting mixture was stirred for 2 hours. Into the reaction mixture was added a solution of tert-butyl trans-4-[N-(4-aminocyclohexylmethyl)-N-methylamino]piperidine-1-carboxylate (698 mg) and triethylamine (0.4 ml) in acetonitrile (30 ml), and the resulting mixture was stirred for 20 hours. After the reaction mixture was concentrated under reduced pressure, water was added to the residue, and the resulting mixture was extracted with ethyl acetate. The organic layer was washed with an aqueous saturated solution of sodium chloride and was dried with magnesium sulfate. After the resulting organic layer was concentrated under reduced pressure to remove the solvent, the residue was subjected to purification using column chromatography (ethanol/ethyl acetate 1:3→1:2) and to recrystallization (ethyl acetate/hexane) to obtain trans-N-[4-[N-(1-tert-butoxycarbonylpiperidin-4-yl)-N-methylaminomethyl]cyclohexyl]-7-(4-methylphenyl)-2,3-dihydro-1-benzooxepine-4-carboxamide (compound 65) (560 mg) as colorless crystals.

Workup

  1. stirringthe resulting mixture was stirred for 20 hours
  2. concentrationAfter the reaction mixture was concentrated under reduced pressure, water
  3. additionwas added to the residue
  4. extractionthe resulting mixture was extracted with ethyl acetate
  5. washThe organic layer was washed with an aqueous saturated solution of sodium chloride
  6. dry with materialwas dried with magnesium sulfate
  7. concentrationAfter the resulting organic layer was concentrated under reduced pressure
  8. customto remove the solvent
  9. customthe residue was subjected to purification
  10. customto recrystallization (ethyl acetate/hexane)

Sources & evidence

ORD record
ord-d841b60576f64c5eaf1b6a3bb27c113f
Source dataset
uspto-grants-2003_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06627651B1

Reaction notes

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