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Triethylamine → (RS)-2-(4-chlorobenzenesulfonylamino)-N-(4-(ethoxycarbonylmethyl)phenyl)butanamide

HRID 266358
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인쇄 미리보기

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HRID 266358 반응식
C(N(CC)CC)C.Cl.[NH2:9][C:10]1[CH:15]=[CH:14][C:13]([CH2:16][C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:12][CH:11]=1.[I-].C[N+]1C=CC=CC=1Cl.[Cl:31][C:32]1[CH:37]=[CH:36][C:35]([S:38]([NH:41][CH:42]([CH2:46][CH3:47])[C:43](O)=[O:44])(=[O:40])=[O:39])=[CH:34][CH:33]=1>C(Cl)(Cl)Cl>[Cl:31][C:32]1[CH:33]=[CH:34][C:35]([S:38]([NH:41][CH:42]([CH2:46][CH3:47])[C:43]([NH:9][C:10]2[CH:11]=[CH:12][C:13]([CH2:16][C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:14][CH:15]=2)=[O:44])(=[O:39])=[O:40])=[CH:36][CH:37]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 8471TriethylamineHCID 1670692-Chloro-1-methylpyridinium iodideHCID 3266285(RS)-2-(4-chlorobenzenesulfonylamino)butanoic acidHCID 24192282Ethyl (4-aminophenyl)acetate--hydrogen chloride (1/1)

생성물 1

HCID 19032983(RS)-2-(4-chlorobenzenesulfonylamino)-N-(4-(ethoxycarbonylmethyl)phenyl)butanamide수율 16.7%

시약·촉매·용매 1

HCID 6212Chloroform용매

실험 절차

Triethylamine (1.99 ml), ethyl 4-aminophenylacetate hydrochloride (699 mg), and 1-methyl-2-chloropyridinium iodide (1.1 g) were added to a solution of (RS)-2-(4-chlorobenzenesulfonylamino)butanoic acid (1 g) in chloroform (30 ml), and the whole was heated under reflux for 2 hours under argon. The reaction mixture was concentrated under reduced pressure. After adding 1N HCl, the residue was extracted with ethyl acetate. The combined ethyl acetate layers were washed with a saturated saline solution, and dried over Na2SO4. The solvent was evaporated under reduced pressure. The residue was purified by column chromatography (silica gel 70 g, hexane/ethyl acetate=2/1) to give (RS)-2-(4-chlorobenzenesulfonylamino)-N-(4-(ethoxycarbonylmethyl) phenyl)butanamide (237 mg).

후처리

  1. temperaturethe whole was heated
  2. temperatureunder reflux for 2 hours under argon
  3. concentrationThe reaction mixture was concentrated under reduced pressure
  4. additionAfter adding 1N HCl
  5. extractionthe residue was extracted with ethyl acetate
  6. washThe combined ethyl acetate layers were washed with a saturated saline solution
  7. dry with materialdried over Na2SO4
  8. customThe solvent was evaporated under reduced pressure
  9. customThe residue was purified by column chromatography (silica gel 70 g, hexane/ethyl acetate=2/1)

출처 및 근거

ORD 기록
ord-a74198e9447c4141b53b3f8232f4f299
출처 데이터셋
uspto-grants-1997_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05650428

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