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Water → N-[1-[[2'-[(Methoxycarbonyl)amino][1,1'-biphenyl]-4-yl]methyl]-2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepin-3(R)-yl]-3-t-butoxycarbonylamino-3-methylbutanamide

HRID 1974598
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1974598
[C:1]([O:5][C:6]([NH:8][C:9]([CH3:27])([CH3:26])[CH2:10][C:11]([NH:13][C@@H:14]1[CH2:20][CH2:19][C:18]2[CH:21]=[CH:22][CH:23]=[CH:24][C:17]=2[NH:16][C:15]1=[O:25])=[O:12])=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].Br[CH2:31][C:32]1[CH:37]=[CH:36][C:35]([C:38]2[CH:43]=[CH:42][CH:41]=[CH:40][C:39]=2[NH:44][C:45]([O:47][CH3:48])=[O:46])=[CH:34][CH:33]=1.O>CN(C)C=O.C(OCC)(=O)C>[CH3:48][O:47][C:45]([NH:44][C:39]1[CH:40]=[CH:41][CH:42]=[CH:43][C:38]=1[C:35]1[CH:34]=[CH:33][C:32]([CH2:31][N:16]2[C:17]3[CH:24]=[CH:23][CH:22]=[CH:21][C:18]=3[CH2:19][CH2:20][C@@H:14]([NH:13][C:11](=[O:12])[CH2:10][C:9]([NH:8][C:6]([O:5][C:1]([CH3:4])([CH3:2])[CH3:3])=[O:7])([CH3:27])[CH3:26])[C:15]2=[O:25])=[CH:37][CH:36]=1)=[O:46]
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Komponenten

7

Edukt 4

HCID 962WaterHCID 24758Sodium hydrideHCID 104746043-t-butoxycarbonylamino-3-methyl-N-[2,3,4,5-tetrahydro-2-oxo-1H-benzazepin-3(R)-yl]butanamideHCID 218365754-Bromomethyl-2'-(methoxycarbonyl)amino-1,1'-biphenyl

Produkt 1

HCID 22850224N-[1-[[2'-[(Methoxycarbonyl)amino][1,1'-biphenyl]-4-yl]methyl]-2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepin-3(R)-yl]-3-t-butoxycarbonylamino-3-methylbutanamide
Ausbeute 63 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6228DimethylformamideLösungsmittelHCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

A solution of 222 mg (0.594 mmol) of 3-t-butoxycarbonylamino-3-methyl-N-[2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepin-3(R)-yl]-butanamide (Step I) in 6 mL of dry dimethylformamide was treated with 30 mg of 60% sodium hydride oil dispersion (18 mg NaH, 0.75 mmol, 1.3 eq). The reaction mixture was stirred at room temperature for 30 minutes. To the solution was added 190 mg (0.594 mmol) of solid 4-bromomethyl-2'-(methoxycarbonyl)amino-1,1'-biphenyl. After stirring at room temperature for 1 hour, the reaction mixture was diluted with ethyl acetate followed by 50 mL of water. The organic layer was washed with water (4×), dried over magnesium sulfate, filtered and evaporated under vacuum. The residue was purified by preparative thin layer chromatography on silica gel, eluting with methylene chloride/methanol (100:3) to give 231 mg (0.376 mmol, 63%) of the product. 1H NMR (400 MHz, CDCl3): 1.23 (s, 3H), 1.33 (s, 3H), 1.39 (s, 9H), 1.85 (m, 1H), 2.40 (dd, 2H), 2.49 (m, 1H), 2.54 (m, 2H), 3.68 (s, 3H), 4.53 (m, 1H), 4.94 (d, 1H), 5.17 (d, 1H), 6.53 (br s, 1H), 6.66 (d, 1H), 7.2 (m, 12H), 8.09 (d, 1H).

Aufarbeitung

  1. stirringAfter stirring at room temperature for 1 hour
  2. washThe organic layer was washed with water (4×)
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered
  5. customevaporated under vacuum
  6. customThe residue was purified by preparative thin layer chromatography on silica gel
  7. washeluting with methylene chloride/methanol (100:3)

Quellen und Nachweise

ORD-Eintrag
ord-a71cf814e6ed48fe9b533eee0ea96c15
Quelldatensatz
uspto-grants-1994_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05283241

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