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Dimethylformamide → 7-[4-(2-butoxyethoxy)phenyl]-1-[(1-methylpyrazol-4-yl)methyl]-N-[4-[[methyl(tetrahydropyran-4-yl)amino]methyl]phenyl]-2,3-dihydro-1-benzazepine-4-carboxamide

HRID 586968
Notes
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Reaction equation

HRID 586968 reaction equation
CN(C=O)C.[CH2:6]([O:10][CH2:11][CH2:12][O:13][C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:21]=[CH:22][C:23]3[N:29]([CH2:30][C:31]4[CH:32]=[N:33][N:34]([CH3:36])[CH:35]=4)[CH2:28][CH2:27][C:26]([C:37](O)=[O:38])=[CH:25][C:24]=3[CH:40]=2)=[CH:16][CH:15]=1)[CH2:7][CH2:8][CH3:9].S(Cl)(Cl)=O.[CH3:45][N:46]([CH2:53][C:54]1[CH:60]=[CH:59][C:57]([NH2:58])=[CH:56][CH:55]=1)[CH:47]1[CH2:52][CH2:51][O:50][CH2:49][CH2:48]1>ClCCl.O.C(N(CC)CC)C>[CH2:6]([O:10][CH2:11][CH2:12][O:13][C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:21]=[CH:22][C:23]3[N:29]([CH2:30][C:31]4[CH:32]=[N:33][N:34]([CH3:36])[CH:35]=4)[CH2:28][CH2:27][C:26]([C:37]([NH:58][C:57]4[CH:59]=[CH:60][C:54]([CH2:53][N:46]([CH3:45])[CH:47]5[CH2:52][CH2:51][O:50][CH2:49][CH2:48]5)=[CH:55][CH:56]=4)=[O:38])=[CH:25][C:24]=3[CH:40]=2)=[CH:16][CH:15]=1)[CH2:7][CH2:8][CH3:9]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 6228DimethylformamideHCID 24386Thionyl ChlorideHCID 9877845(4-Amino-benzyl)-methyl-(tetrahydro-pyran-4-yl)-amineHCID 69746837HCID 69746837, compound

Product 1

HCID 30094197-[4-(2-butoxyethoxy)phenyl]-1-[(1-methylpyrazol-4-yl)methyl]-N-[4-[[methyl(tetrahydropyran-4-yl)amino]methyl]phenyl]-2,3-dihydro-1-benzazepine-4-carboxamide
Yield 62.4%

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 6344DichloromethaneSolvent2×HCID 8471TriethylamineSolvent

Procedure

One droplet of DMF was added to a solution of 7-(4-butoxyethoxyphenyl)-1-[(1-methypyrazol-4-yl)methyl]-2,3-dihydro-1-benzazepine-4-carboxylic acid (380 mg) in dichloromethane (20 ml). Then, thionyl chloride (124 mg) was added at 0° C., the temperature was returned to room temperature, and the mixture was stirred under nitrogen atmosphere for 1 hour. Then, this solution was added to a solution of 4-[[N-methyl N-(tetrahydropyran-4-yl)amino]methyl]aniline (229 mg) and triethylamine (2.1 g) in dichloromethane (30 ml) at 0° C. The suspension was stirred under nitrogen atmosphere at room temperature overnight, to the mixture was added water, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine and dried with magnesium sulfate. The solvent was evaporated under reduced pressure, the resulting residue was separated and purified with silica gel column chromatography (methanol:ethyl acetate=1:3), which was recrystallized from hexane-ethyl acetate to give 7-(4-butoxyethoxyphenyl)-1-[(1-methylpyrazol-4-yl)methyl]-N-[4-[[N-methyl-N-(tetrahydropyran-4-yl)amino]methyl]phenyl]-2,3-dihydro-1-benzazepine-4-carboxamide (Compound 69) (338 mg) as yellow crystals.

Workup

  1. customwas returned to room temperature
  2. stirringThe suspension was stirred under nitrogen atmosphere at room temperature overnight, to the mixture
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe organic layer was washed with saturated brine
  5. dry with materialdried with magnesium sulfate
  6. customThe solvent was evaporated under reduced pressure
  7. customthe resulting residue was separated
  8. custompurified with silica gel column chromatography (methanol:ethyl acetate=1:3), which
  9. customwas recrystallized from hexane-ethyl acetate

Sources & evidence

ORD record
ord-85bda59c5417401a9c959932b3107d6b
Source dataset
uspto-grants-2005_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06936602B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes