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Acetic Anhydride → (Z)-3,5-diethyl-1-(3,3-dichloro-2-propenyloxy)-4-(5-(3-chloro-4,4,4-trifluoro-2-butenyloxy)pentyloxy)benzene

HRID 369669
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 369669
[Cl-].[Al+3].[Cl-].[Cl-].[Cl:5][C:6](Cl)(Cl)[C:7]([F:10])([F:9])[F:8].[CH2:13]([C:15]1[CH:30]=[C:29]([O:31][CH2:32][CH:33]=[C:34]([Cl:36])[Cl:35])[CH:28]=[C:27]([CH2:37][CH3:38])[C:16]=1[O:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][O:23][CH2:24][CH:25]=O)[CH3:14].C(OC(=O)C)(=O)C>[Zn].CN(C)C=O>[CH2:13]([C:15]1[CH:30]=[C:29]([O:31][CH2:32][CH:33]=[C:34]([Cl:35])[Cl:36])[CH:28]=[C:27]([CH2:37][CH3:38])[C:16]=1[O:17][CH2:18][CH2:19][CH2:20][CH2:21][CH2:22][O:23][CH2:24]/[CH:25]=[C:6](\[Cl:5])/[C:7]([F:10])([F:9])[F:8])[CH3:14]
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Komponenten

7

Edukt 4

HCID 7918Acetic AnhydrideHCID 96351,1,1-Trichloro-2,2,2-trifluoroethaneHCID 6451240Aluminum(III) ChlorideHCID 537387765-(2,6-Diethyl-4-(3,3-dichloro-2-propenyloxy)phenoxy)pentyloxyacetaldehyde

Produkt 1

HCID 86755968(Z)-3,5-diethyl-1-(3,3-dichloro-2-propenyloxy)-4-(5-(3-chloro-4,4,4-trifluoro-2-butenyloxy)pentyloxy)benzene
Ausbeute 192,5 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 23994ZincKatalysatorHCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a mixture of 0.12 g of aluminum chloride and 50 ml of N,N-dimethylformamide was added 3.04 g of 1,1,1-trichlorotrifluoroethane. After stirring at room temperature for 1 hour, 1.21 g of 5-(2,6-diethyl-4-(3,3-dichloro-2-propenyloxy)phenoxy)pentyloxyacetaldehyde was added, and the reaction mixture was further stirred at room temperature for 4 hours, to which 1.38 g of acetic anhydride was added. After stirring at room temperature for 1 hour, 0.88 g of zinc dust was added, and the reaction mixture was stirred at room temperature for 12 hours and filtered. The filtrate was poured into 50 ml of diluted hydrochloric acid and extracted twice with 100 ml of diethyl ether. The diethyl ether layers were combined, washed with water, dried over magnesium sulfate and then evaporated to give a crude product. The crude product was subjected to silica gel chromatography, which afforded 2.91 g of (Z)-3,5-diethyl-1-(3,3-dichloro-2-propenyloxy)-4-(5-(3-chloro-4,4,4-trifluoro-2-butenyloxy)pentyloxy)benzene (yield, 72%), nD26.0 1.4958.

Aufarbeitung

  1. additionwas added
  2. stirringAfter stirring at room temperature for 1 hour
  3. stirringthe reaction mixture was stirred at room temperature for 12 hours
  4. filtrationfiltered
  5. additionThe filtrate was poured into 50 ml of diluted hydrochloric acid
  6. extractionextracted twice with 100 ml of diethyl ether
  7. washwashed with water
  8. dry with materialdried over magnesium sulfate
  9. customevaporated
  10. customto give a crude product

Quellen und Nachweise

ORD-Eintrag
ord-e8a7db0a2be54d9580a7dbbfe22b336d
Quelldatensatz
uspto-grants-2000_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06140274

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