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Triethylamine → tert-butyl 3(R)-[1(R)-ethoxycarbonyl-9-phthalimidononyl]amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetate

HRID 649418
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HRID 649418 반응식
[NH2:1][C@@H:2]1[C:8](=[O:9])[N:7]([CH2:10][C:11]([O:13][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:12])[C:6]2[CH:18]=[CH:19][CH:20]=[CH:21][C:5]=2[S:4][CH2:3]1.Br[CH:23]([CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][CH2:35][CH2:36][N:37]1[C:41](=[O:42])[C:40]2=[CH:43][CH:44]=[CH:45][CH:46]=[C:39]2[C:38]1=[O:47])[C:24]([O:26][CH2:27][CH3:28])=[O:25].C(N(CC)CC)C>C(#N)C>[CH2:27]([O:26][C:24]([C@H:23]([NH:1][C@@H:2]1[C:8](=[O:9])[N:7]([CH2:10][C:11]([O:13][C:14]([CH3:16])([CH3:17])[CH3:15])=[O:12])[C:6]2[CH:18]=[CH:19][CH:20]=[CH:21][C:5]=2[S:4][CH2:3]1)[CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][CH2:35][CH2:36][N:37]1[C:38](=[O:47])[C:39]2=[CH:46][CH:45]=[CH:44][CH:43]=[C:40]2[C:41]1=[O:42])=[O:25])[CH3:28]
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 13454543tert-butyl 3(R)-amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetateHCID 13622535Ethyl 2-bromo-10-phthalimidodecanoate

생성물 1

HCID 13622551tert-butyl 3(R)-[1(R)-ethoxycarbonyl-9-phthalimidononyl]amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetate수율 25%

시약·촉매·용매 1

HCID 6342
Acetonitrile
용매

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온도
80 °C

실험 절차

In 100 ml of acetonitrile are dissolved 1.7 g of tert-butyl 3(R)-amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetate and 2.4 g of ethyl 2-bromo-10-phthalimidodecanoate, and 0.75 g of triethylamine is added to the solution. The mixture is heated at 80° C. for 3 days, concentrated under reduced pressure, diluted with 100 ml of water and extracted with 150 ml of ethyl acetate. The ethyl acetate layer is dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The resulting oily substance is separated and purified by silicagel column chromatography (hexane:ethyl acetate=3:1-2:1) to give from the first fraction 0.9 g of tert-butyl 3(R)-[1(R)-ethoxycarbonyl-9-phthalimidononyl]amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-acetate as a colorless oil.

후처리

  1. additionis added to the solution
  2. concentrationconcentrated under reduced pressure
  3. additiondiluted with 100 ml of water
  4. extractionextracted with 150 ml of ethyl acetate
  5. dry with materialThe ethyl acetate layer is dried over anhydrous magnesium sulfate
  6. concentrationconcentrated under reduced pressure
  7. customThe resulting oily substance is separated
  8. custompurified by silicagel column chromatography (hexane:ethyl acetate=3:1-2:1)

출처 및 근거

ORD 기록
ord-7b03d94cb62444c78398a28cac580a40
출처 데이터셋
uspto-grants-1988_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04739066

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