Tert-Butylbenzene → 1-(4-T-Butylphenyl)-3-chloropropan-1-one

HRID 41901

Reaktionsgleichung

Reaktionsgleichung von HRID 41901
[Cl-].[Al+3].[Cl-].[Cl-].[C:5]([C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1)([CH3:8])([CH3:7])[CH3:6].[Cl:15][CH2:16][CH2:17][C:18](Cl)=[O:19]>ClCCl>[C:5]([C:9]1[CH:14]=[CH:13][C:12]([C:18](=[O:19])[CH2:17][CH2:16][Cl:15])=[CH:11][CH:10]=1)([CH3:8])([CH3:7])[CH3:6]

Komponenten

5

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

To aluminum chloride (29.33 g, 220 mmol) in dichloromethane (300 mL) at 0° C. with stirring was added dropwise a solution of t-butyl benzene (31 mL, 200 mmol) and 3-chloropropionyl chloride (19 mL, 200 mmol) in dichloromethane. After the addition was complete, the reaction mixture was stirred from 0° C. to room temperature overnight. Then next morning, TLC indicated that all of the t-butyl benzene was consumed, and the reaction mixture was cooled to 0° C. With stirring, water (about 120 mL) in a dropwise fashion until the effervescence ceased. Finally, the layers were separated, and the organic layer was washed with water (3×150 mL) and then brine (1×150 mL). The dichloromethane layer was dried over magnesium sulfate, filtered, concentrated and pumped to dryness to afford the title compound as a light tan powder (45.6 g).

Aufarbeitung

  1. additionAfter the addition
  2. customwas consumed
  3. stirringWith stirring
  4. customFinally, the layers were separated
  5. washthe organic layer was washed with water (3×150 mL)
  6. dry with materialThe dichloromethane layer was dried over magnesium sulfate
  7. filtrationfiltered
  8. concentrationconcentrated

Quellen und Nachweise

ORD-Eintrag
ord-d96dad5729ed4f93b056a8353edd9d2d
Quelldatensatz
uspto-grants-2013_09
Patentnummer
US08536166B2

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