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Ethyl Acetate → 10-Chloro-3-iodo-5,6,8,9-tetrahydro-1,4,7,10a-tetraaza-cyclohepta[f]indene-7-carboxylic acid tert-butyl ester

HRID 528717
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 528717
[C:1]([O:5][C:6]([N:8]1[CH2:22][CH2:21][C:12]2=[C:13]([Cl:20])[N:14]3[C:18]([N:19]=[C:11]2[CH2:10][CH2:9]1)=[CH:17][CH:16]=[N:15]3)=[O:7])([CH3:4])([CH3:3])[CH3:2].[I:23]N1C(=O)CCC1=O.CCOC(C)=O>CN(C=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:22][CH2:21][C:12]2=[C:13]([Cl:20])[N:14]3[C:18]([N:19]=[C:11]2[CH2:10][CH2:9]1)=[C:17]([I:23])[CH:16]=[N:15]3)=[O:7])([CH3:4])([CH3:2])[CH3:3]
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Komponenten

5

Edukt 3

HCID 8857Ethyl AcetateHCID 120273N-IodosuccinimideHCID 4692812210-Chloro-5,6,8,9-tetrahydro-1,4,7,10a-tetraaza-cyclohepta[f]indene-7-carboxylic acid tert-butyl ester

Produkt 1

HCID 8666717010-Chloro-3-iodo-5,6,8,9-tetrahydro-1,4,7,10a-tetraaza-cyclohepta[f]indene-7-carboxylic acid tert-butyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

To 0.1 g (0.31 mmol) 10-chloro-5,6,8,9-tetrahydro-1,4,7,10a-tetraaza-cyclohepta[f]indene-7-carboxylic acid tert-butyl ester (route 1, step a to d) in 2 mL DMF, under nitrogen, was added 0.104 g (0.46 mmol) N-iodosuccinimide, and the reaction was stirred at room temperature for 16 hours. 20 mL EtOAc was added and the mixture was washed with a 10% solution of Na2S2O3 (2×5 mL). The aqueous layers were combined and extracted with EtOAc (2×10 mL). The organic layers were combined, washed with 10 mL saturated brine, and dried with MgSO4. After filtration and evaporation of the solvent the product was purified by column chromatography (silica, heptane/EtOAc 9:1).

Aufarbeitung

  1. washthe mixture was washed with a 10% solution of Na2S2O3 (2×5 mL)
  2. extractionextracted with EtOAc (2×10 mL)
  3. washwashed with 10 mL saturated brine
  4. dry with materialdried with MgSO4
  5. filtrationAfter filtration and evaporation of the solvent the product
  6. customwas purified by column chromatography (silica, heptane/EtOAc 9:1)

Quellen und Nachweise

ORD-Eintrag
ord-6d44e228a33649dabe5cc297174d58dd
Quelldatensatz
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09346816B2

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