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Tetrahydrofuran → 4-[3-Hydroxy-3-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)-1-propynyl]benzenemethanol

HRID 1275504
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1275504
C([O:4][CH2:5][C:6]1[CH:11]=[CH:10][C:9]([C:12]#[C:13][CH:14]([OH:29])[C:15]2[CH:24]=[CH:23][C:22]3[C:21]([CH3:26])([CH3:25])[CH2:20][CH2:19][C:18]([CH3:28])([CH3:27])[C:17]=3[CH:16]=2)=[CH:8][CH:7]=1)(=O)C.C1COCC1.[OH-].[Na+]>O>[OH:29][CH:14]([C:15]1[CH:24]=[CH:23][C:22]2[C:21]([CH3:26])([CH3:25])[CH2:20][CH2:19][C:18]([CH3:28])([CH3:27])[C:17]=2[CH:16]=1)[C:13]#[C:12][C:9]1[CH:8]=[CH:7][C:6]([CH2:5][OH:4])=[CH:11][CH:10]=1
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Komponenten

5

Edukt 3

HCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 226194414-[3-Hydroxy-3-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)-1-propynyl]benzyl acetate

Produkt 1

HCID 542569824-[3-Hydroxy-3-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)-1-propynyl]benzenemethanol

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962Water
Lösungsmittel

Versuchsvorschrift

780 mg (2 mmol) of 4-[3-hydroxy-3-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthyl)-1-propynyl]benzyl acetate and 30 ml of THF were introduced into a round-bottomed flask. 5 ml of a 2N methanolic sodium hydroxide solution were added and stirring was carried out for 30 min. The reaction mixture was poured into water and extracted with ethyl ether. The organic phase was separated by settling, dried over magnesium sulfate and evaporated. The residue obtained was triturated in heptane and filtered, 419 mg (60%) of the expected compound, with a melting point of 85°-86° C., were recovered.

Aufarbeitung

  1. extractionextracted with ethyl ether
  2. customThe organic phase was separated
  3. dry with materialdried over magnesium sulfate
  4. customevaporated
  5. customThe residue obtained
  6. customwas triturated in heptane
  7. filtrationfiltered
  8. custom419 mg (60%) of the expected compound, with a melting point of 85°-86° C., were recovered

Quellen und Nachweise

ORD-Eintrag
ord-4541a15be57a407ea81a008c3d473019
Quelldatensatz
uspto-grants-2000_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06162445

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