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2-(2,4-dinitrophenyl)ethyl (2E)-3-(4-{difluoro[4-(4,4,4-trifluorobutoxy)-phenoxy]methyl}phenyl)prop-2-enoate → 2-(2,4-diaminophenyl)ethyl (2E)-3-(4-{difluoro[4-(4,4,4-trifluorobutoxy)phenoxy]methyl}phenyl)prop-2-enoate

HRID 511724
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 511724
[F:1][C:2]([F:43])([O:28][C:29]1[CH:34]=[CH:33][C:32]([O:35][CH2:36][CH2:37][CH2:38][C:39]([F:42])([F:41])[F:40])=[CH:31][CH:30]=1)[C:3]1[CH:8]=[CH:7][C:6](/[CH:9]=[CH:10]/[C:11]([O:13][CH2:14][CH2:15][C:16]2[CH:21]=[CH:20][C:19]([N+:22]([O-])=O)=[CH:18][C:17]=2[N+:25]([O-])=O)=[O:12])=[CH:5][CH:4]=1>CN(C)C=O.O.[Zn]>[F:1][C:2]([F:43])([O:28][C:29]1[CH:34]=[CH:33][C:32]([O:35][CH2:36][CH2:37][CH2:38][C:39]([F:42])([F:41])[F:40])=[CH:31][CH:30]=1)[C:3]1[CH:4]=[CH:5][C:6](/[CH:9]=[CH:10]/[C:11]([O:13][CH2:14][CH2:15][C:16]2[CH:21]=[CH:20][C:19]([NH2:22])=[CH:18][C:17]=2[NH2:25])=[O:12])=[CH:7][CH:8]=1
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Komponenten

5

Edukt 1

HCID 866765602-(2,4-dinitrophenyl)ethyl (2E)-3-(4-{difluoro[4-(4,4,4-trifluorobutoxy)-phenoxy]methyl}phenyl)prop-2-enoate

Produkt 1

HCID 866765612-(2,4-diaminophenyl)ethyl (2E)-3-(4-{difluoro[4-(4,4,4-trifluorobutoxy)phenoxy]methyl}phenyl)prop-2-enoateAusbeute 71,5 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 23994ZincKatalysatorHCID 962WaterLösungsmittel
HCID 6228
Dimethylformamide
Lösungsmittel

Versuchsvorschrift

5.11 g (8.38 mmol) of 2-(2,4-dinitrophenyl)ethyl (2E)-3-(4-{difluoro[4-(4,4,4-trifluorobutoxy)-phenoxy]methyl}phenyl)prop-2-enoate are dissolved in a mixture of 54 mL of N,N-di-methyl-formamide and 6 mL water. 13.9 g (51.4 mmol) ferric chloride hexahydrate are added. 5.60 g (85.7 mmol) zinc powder is added portion wise within 60 minutes. The mixture is allowed to react for 2 hours. The reaction mixture is partitioned between ethyl acetate and water and filtrated. The organic phase is washed repeatedly with water, dried over sodium sulfate, filtrated and concentrated under reduced pressure. Filtration of the residue on 200 g silica gel using toluene:ethyl acetate 1:3 as eluent and crystallization from ethyl acetate:hexane mixture yields 3.30 g of 2-(2,4-diaminophenyl)ethyl (2E)-3-(4-{difluoro[4-(4,4,4-trifluorobutoxy)phenoxy]methyl}phenyl)prop-2-enoate as yellow crystals.

Aufarbeitung

  1. customto react for 2 hours
  2. customThe reaction mixture is partitioned between ethyl acetate and water
  3. filtrationfiltrated
  4. washThe organic phase is washed repeatedly with water
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltrated
  7. concentrationconcentrated under reduced pressure
  8. filtrationFiltration of the residue on 200 g silica gel
  9. customcrystallization from ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-e5cda977ce7846b197856dbd3ba320ac
Quelldatensatz
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09097938B2

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