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Dimethylformamide → 7-[4-(2-butoxyethoxy)phenyl]-N-[4-[[(1-ethylimidazol-2-yl)methyl]sulfanyl]phenyl]-1-isobutyl-2,3-dihydro-1-benzazepine-4-carboxamide

HRID 856538
Notes
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Reaction equation

HRID 856538 reaction equation
[CH2:1]([O:5][CH2:6][CH2:7][O:8][C:9]1[CH:14]=[CH:13][C:12]([C:15]2[CH:16]=[CH:17][C:18]3[N:24]([CH2:25][CH:26]([CH3:28])[CH3:27])[CH2:23][CH2:22][C:21]([C:29](O)=[O:30])=[CH:20][C:19]=3[CH:32]=2)=[CH:11][CH:10]=1)[CH2:2][CH2:3][CH3:4].CN(C=O)C.S(Cl)(Cl)=O.[CH2:42]([N:44]1[CH:48]=[CH:47][N:46]=[C:45]1[CH2:49][S:50][C:51]1[CH:57]=[CH:56][C:54]([NH2:55])=[CH:53][CH:52]=1)[CH3:43]>O1CCCC1.O.C(N(CC)CC)C>[CH2:1]([O:5][CH2:6][CH2:7][O:8][C:9]1[CH:10]=[CH:11][C:12]([C:15]2[CH:16]=[CH:17][C:18]3[N:24]([CH2:25][CH:26]([CH3:27])[CH3:28])[CH2:23][CH2:22][C:21]([C:29]([NH:55][C:54]4[CH:53]=[CH:52][C:51]([S:50][CH2:49][C:45]5[N:44]([CH2:42][CH3:43])[CH:48]=[CH:47][N:46]=5)=[CH:57][CH:56]=4)=[O:30])=[CH:20][C:19]=3[CH:32]=2)=[CH:13][CH:14]=1)[CH2:2][CH2:3][CH3:4]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 6228DimethylformamideHCID 24386Thionyl ChlorideHCID 223289057-[4-(2-Butoxyethoxy)phenyl]-1-isobutyl-2,3-dihydro-1-benzazepine-4-carboxylic acidHCID 627354924-[[(1-Ethylimidazol-2-yl)methyl]sulfanyl]aniline

Product 1

HCID 695222697-[4-(2-butoxyethoxy)phenyl]-N-[4-[[(1-ethylimidazol-2-yl)methyl]sulfanyl]phenyl]-1-isobutyl-2,3-dihydro-1-benzazepine-4-carboxamide
Yield 45.1%

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 8028TetrahydrofuranSolvent2×HCID 8471TriethylamineSolvent

Procedure

To a solution of 7-[4-(2-butoxyethoxy)phenyl]-1-isobutyl-2,3-dihydro-1-benzazepine-4-carboxylic acid (700 mg) in tetrahydrofuran (15 ml) was added one droplet of DMF. Then, thionyl chloride (0.15 ml) was added to the mixture at 0° C., and the mixture was allowed to be at room temperature and stirred for 1 hour under nitrogen atmosphere. This solution was added to a solution of 4-[[(1-ethylimidazol-2-yl)methyl]sulfanyl]aniline (485 mg) and triethylamine (5.8 ml) in tetrahydrofuran (15 ml) at 0° C. The mixture: was stirred for 1 hour at room temperature under nitrogen atmosphere, water was added to the mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine and dried over magnesium sulfate. The solvent was distilled off under reduced pressure. The obtained residue was purified by silica gel column chromatography (ethyl acetate), to give 7-[4-(2-butoxyethoxy)phenyl]-N-[4-[[(1-ethylimidazol-2-yl)methyl]sulfanyl]phenyl]-1-isobutyl-2,3-dihydro-1-benzazepine-4-carboxamide (471 mg) (Compound 332) as yellow amorphous.

Workup

  1. customto be at room temperature
  2. stirringThe mixture: was stirred for 1 hour at room temperature under nitrogen atmosphere
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe organic layer was washed with saturated brine
  5. dry with materialdried over magnesium sulfate
  6. distillationThe solvent was distilled off under reduced pressure
  7. customThe obtained residue was purified by silica gel column chromatography (ethyl acetate)

Sources & evidence

ORD record
ord-633dbfb8db3746e1bbd5166119cb6f1f
Source dataset
uspto-grants-2007_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07262185B2

Reaction notes

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