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2,6-Di-tert-butyl-4-mercaptophenol → HCID 14011801, Verbindung

HRID 986295
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 986295
[CH3:1][C:2]([C:5]1[CH:10]=[C:9]([SH:11])[CH:8]=[C:7]([C:12]([CH3:15])([CH3:14])[CH3:13])[C:6]=1[OH:16])([CH3:4])[CH3:3].[O-][CH2:18]C.[Na+].[Na].Cl[CH2:23][CH2:24][S:25]([CH2:27][C:28]([O:30][CH3:31])=[O:29])=[O:26]>C(O)C.O>[CH3:4][C:2]([C:5]1[CH:10]=[C:9]([S:11][CH2:23][CH2:24][S:25]([CH2:27][C:28]([O:30][CH2:31][CH3:18])=[O:29])=[O:26])[CH:8]=[C:7]([C:12]([CH3:15])([CH3:14])[CH3:13])[C:6]=1[OH:16])([CH3:1])[CH3:3]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

7

Edukt 4

HCID 703702,6-Di-tert-butyl-4-mercaptophenolHCID 2723922Sodium ethoxideHCID 5360545SodiumHCID 20133529HCID 20133529, Verbindung

Produkt 1

HCID 14011801HCID 14011801, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 702Ethanol
Lösungsmittel
2×
HCID 962WaterLösungsmittel

Versuchsvorschrift

2,6-bis(1,1-Dimethylethyl)-4-mercaptophenol (2.97 g, 0.0125 mole) was added to sodium ethoxide, freshly prepared from sodium (0.29 g, 0.0125 mole) in ethyl alcohol (75 ml), and stirred for 1.5 hours. A solution of the title compound of Example 11 (2.3 g, 0.0125 mole) in ethyl alcohol (50 ml) was added dropwise over one hour and the resulting solution stirred for 20 hours at room temperature. Water (100 ml) was added and the ethyl alcohol removed using a rotary evaporator. The aqueous residue was extracted with ethyl acetate (2×100 ml). The combined organic extracts were dried over sodium sulfate, filtered, concentrated and the product purified by chromatography on silica. The yellow solid was recrystallized from ethyl acetate/hexane to give 1.1 g, m.p. ca. 110° C.

Aufarbeitung

  1. stirringthe resulting solution stirred for 20 hours at room temperature
  2. customthe ethyl alcohol removed
  3. customa rotary evaporator
  4. extractionThe aqueous residue was extracted with ethyl acetate (2×100 ml)
  5. dry with materialThe combined organic extracts were dried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customthe product purified by chromatography on silica
  9. customThe yellow solid was recrystallized from ethyl acetate/hexane
  10. customto give 1.1 g, m.p. ca. 110° C.

Quellen und Nachweise

ORD-Eintrag
ord-c9e4d7d7aab34b2d883c7da385ca2841
Quelldatensatz
uspto-grants-1987_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04711903

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