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Hydrochloric Acid → ethyl 3-[({4-[(1-{5-chloro-1-[3-(trifluoromethyl)phenyl]-1H-indol-2-yl}heptyl)amino]phenyl}carbonyl)amino]propanoate

HRID 2091190
Notes
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Reaction equation

HRID 2091190 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[N:7]([C:11]1[CH:16]=[CH:15][CH:14]=[C:13]([C:17]([F:20])([F:19])[F:18])[CH:12]=1)[C:6]([CH:21]([NH:28][C:29]1[CH:37]=[CH:36][C:32]([C:33](O)=[O:34])=[CH:31][CH:30]=1)[CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH3:27])=[CH:5]2.Cl.[CH2:39]([O:41][C:42](=[O:46])[CH2:43][CH2:44][NH2:45])[CH3:40].O.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C.Cl>CN(C)C=O.C(N(CC)CC)C>[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[N:7]([C:11]1[CH:16]=[CH:15][CH:14]=[C:13]([C:17]([F:19])([F:18])[F:20])[CH:12]=1)[C:6]([CH:21]([NH:28][C:29]1[CH:30]=[CH:31][C:32]([C:33]([NH:45][CH2:44][CH2:43][C:42]([O:41][CH2:39][CH3:40])=[O:46])=[O:34])=[CH:36][CH:37]=1)[CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH3:27])=[CH:5]2
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 313Hydrochloric AcidHCID 458475beta-Alanine, ethyl ester, hydrochlorideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 667780454-[(1-{5-chloro-1-[3-(trifluoromethyl)phenyl]-1H-indol-2-yl}heptyl)amino]benzoic acid

Product 1

HCID 66778999
ethyl 3-[({4-[(1-{5-chloro-1-[3-(trifluoromethyl)phenyl]-1H-indol-2-yl}heptyl)amino]phenyl}carbonyl)amino]propanoate
Yield 92%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8471TriethylamineSolvent

Procedure

To a mixture of 4-[(1-{5-chloro-1-[3-(trifluoromethyl)phenyl]-1H-indol-2-yl}heptyl)amino]benzoic acid (250 mg) synthesized above, β-alanine ethyl ester hydrochloride (109 mg), 1-hydroxybenzotriazole monohydrate (109 mg), triethylamine (198 μL) and N,N-dimethylformamide (10 mL) was added 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (136 mg), and the mixture was stirred at room temperature for 3 days. 1N Hydrochloric acid was added to quench the reaction, and the mixture was extracted with ethyl acetate. The extract was washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine, dried over magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (50% ethyl acetate/hexane) to give the title object compound (272 mg, 92%) as a pale-yellow oil.

Workup

  1. customto quench
  2. customthe reaction
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe extract was washed with saturated aqueous sodium hydrogen carbonate solution and saturated brine
  5. dry with materialdried over magnesium sulfate
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by silica gel column chromatography (50% ethyl acetate/hexane)

Sources & evidence

ORD record
ord-6e45c5b24aba4b19962bbd4419cc26e9
Source dataset
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08436043B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes