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Ammonium Chloride → Ethyl 3-{[(4-{[cyclopentyl(3-methyl-1-benzothiophen-2-yl)methyl]amino}phenyl)carbonyl]amino}propanoate

HRID 2091080
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HRID 2091080 반응식
[CH:1]1([CH:6]([NH:17][C:18]2[CH:26]=[CH:25][C:21]([C:22](O)=[O:23])=[CH:20][CH:19]=2)[C:7]2[S:8][C:9]3[CH:16]=[CH:15][CH:14]=[CH:13][C:10]=3[C:11]=2[CH3:12])[CH2:5][CH2:4][CH2:3][CH2:2]1.Cl.[CH2:28]([O:30][C:31](=[O:35])[CH2:32][CH2:33][NH2:34])[CH3:29].O.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C.[Cl-].[NH4+]>CN(C)C=O.C(N(CC)CC)C>[CH:1]1([CH:6]([NH:17][C:18]2[CH:19]=[CH:20][C:21]([C:22]([NH:34][CH2:33][CH2:32][C:31]([O:30][CH2:28][CH3:29])=[O:35])=[O:23])=[CH:25][CH:26]=2)[C:7]2[S:8][C:9]3[CH:16]=[CH:15][CH:14]=[CH:13][C:10]=3[C:11]=2[CH3:12])[CH2:5][CH2:4][CH2:3][CH2:2]1
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참가 물질

8

반응물 5

HCID 25517Ammonium ChlorideHCID 458475beta-Alanine, ethyl ester, hydrochlorideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 667776404-{[Cyclopentyl(3-methyl-1-benzothiophen-2-yl)methyl]amino}benzoic acid

생성물 1

HCID 66777626
Ethyl 3-{[(4-{[cyclopentyl(3-methyl-1-benzothiophen-2-yl)methyl]amino}phenyl)carbonyl]amino}propanoate
수율 87%

시약·촉매·용매 2

HCID 6228Dimethylformamide용매HCID 8471Triethylamine용매

실험 절차

To a mixture of 4-{[cyclopentyl(3-methyl-1-benzothiophen-2-yl)methyl]amino}benzoic acid (300 mg) synthesized above, β-alanine ethyl ester hydrochloride (189 mg), 1-hydroxybenzotriazole monohydrate (188 mg), triethylamine (343 μL) and N,N-dimethylformamide (10 mL) was added 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (236 mg), and the mixture was stirred at room temperature for 5 hr. Saturated aqueous ammonium chloride solution was added to quench the reaction, and the reaction 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 (30-70% ethyl acetate/hexane) to give the title object compound (331 mg, 87%) as a pale-brown oil.

후처리

  1. customto quench
  2. customthe reaction
  3. extractionthe reaction 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 (30-70% ethyl acetate/hexane)

출처 및 근거

ORD 기록
ord-e2359303c7c4474a92202bc1459a11bb
출처 데이터셋
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08436043B2

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