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Hydrochloric Acid → 4-(9-Hydroxynonyl)-7-methoxy-3-(4-methoxyphenyl)-3-methylthiochroman

HRID 1792302
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1792302
[Si]([O:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH:18]1[C:27]2[C:22](=[CH:23][C:24]([O:28][CH3:29])=[CH:25][CH:26]=2)[S:21][CH2:20][C:19]1([C:31]1[CH:36]=[CH:35][C:34]([O:37][CH3:38])=[CH:33][CH:32]=1)[CH3:30])(C(C)(C)C)(C)C.Cl.O>O1CCCC1>[OH:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][CH:18]1[C:27]2[C:22](=[CH:23][C:24]([O:28][CH3:29])=[CH:25][CH:26]=2)[S:21][CH2:20][C:19]1([C:31]1[CH:36]=[CH:35][C:34]([O:37][CH3:38])=[CH:33][CH:32]=1)[CH3:30]
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Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 962WaterHCID 220332574-[9-(t-Butyldimethylsilyloxy)nonyl]-7-methoxy-3-(4-methoxyphenyl)-3-methylthiochroman

Produkt 1

HCID 220330054-(9-Hydroxynonyl)-7-methoxy-3-(4-methoxyphenyl)-3-methylthiochromanAusbeute 92,1 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

4-[9-(t-Butyldimethylsilyloxy)nonyl]-7-methoxy-3-(4-methoxyphenyl)-3-methylthiochroman (2.2 g, 3.95 mmol) was dissolved in tetrahydrofuran (150 ml), and 3N-HCl (11 ml) was added thereto. The reaction mixture was stirred at room temperature for 140 minutes. After the reaction was completed, water was added to the reaction solution, and the resulting mixture was extracted with ethyl acetate. The extract was dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was subjected to flash chromatography on silica gel (n-hexane:ethyl acetate=8:2 and 1:1) to give the title compound (1.61 g, yield 92%) as a white solid.

Aufarbeitung

  1. extractionthe resulting mixture was extracted with ethyl acetate
  2. dry with materialThe extract was dried over anhydrous magnesium sulfate
  3. concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-7dd4a40101104f60b8d867ff5233fcb8
Quelldatensatz
uspto-grants-2006_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07074819B2

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