Water → (4'-{1-Ethyl-1-[4-(1-hydroxy-cyclopentylethynyl)-3-methyl-phenyl]-propyl}-2'-methyl-biphenyl-4-yl)acetic acid methyl ester

HRID 546900Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 546900
[F-].C([N+](CCCC)(CCCC)CCCC)CCC.[CH3:19][O:20][C:21](=[O:60])[CH2:22][C:23]1[CH:28]=[CH:27][C:26]([C:29]2[CH:34]=[CH:33][C:32]([C:35]([CH2:57][CH3:58])([C:38]3[CH:43]=[CH:42][C:41]([C:44]#[C:45][C:46]4([O:51][Si](C)(C)C)[CH2:50][CH2:49][CH2:48][CH2:47]4)=[C:40]([CH3:56])[CH:39]=3)[CH2:36][CH3:37])=[CH:31][C:30]=2[CH3:59])=[CH:25][CH:24]=1.O>O1CCCC1>[CH3:19][O:20][C:21](=[O:60])[CH2:22][C:23]1[CH:24]=[CH:25][C:26]([C:29]2[CH:34]=[CH:33][C:32]([C:35]([CH2:36][CH3:37])([C:38]3[CH:43]=[CH:42][C:41]([C:44]#[C:45][C:46]4([OH:51])[CH2:50][CH2:49][CH2:48][CH2:47]4)=[C:40]([CH3:56])[CH:39]=3)[CH2:57][CH3:58])=[CH:31][C:30]=2[CH3:59])=[CH:27][CH:28]=1

Komponenten

5

Edukt 3

HCID 962WaterHCID 2724141Tetrabutylammonium FluorideHCID 57709095(4'-{1-Ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cyclopentylethynyl)-phenyl]-propyl}-2'-methyl-biphenyl-4-yl)acetic acid methyl ester

Produkt 1

HCID 57709211(4'-{1-Ethyl-1-[4-(1-hydroxy-cyclopentylethynyl)-3-methyl-phenyl]-propyl}-2'-methyl-biphenyl-4-yl)acetic acid methyl esterAusbeute 78 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

Tetrabutylammonium fluoride (1 M solution in tetrahydrofuran, 0.094 mL, 0.094 mmol) was added to a solution of (4′-{1-ethyl-1-[3-methyl-4-(1-trimethylsilanyloxy-cyclopentylethynyl)-phenyl]-propyl}-2′-methyl-biphenyl-4-yl)acetic acid methyl ester (Example 52-(1); 36.5 mg, 0.063 mmol) in tetrahydrofuran (3 mL), and the mixture was stirred at room temperature for two hours. The reaction mixture was then poured into water, followed by extraction with dichloromethane. The organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated under reduced pressure. The resulting residue was purified by silica gel chromatography (hexane:ethyl acetate=4:1) to give the target compound as a colorless oil (25 mg, 78%).

Aufarbeitung

  1. extractionfollowed by extraction with dichloromethane
  2. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated under reduced pressure
  5. customThe resulting residue was purified by silica gel chromatography (hexane:ethyl acetate=4:1)

Quellen und Nachweise

ORD-Eintrag
ord-fedb9133ea3b45d88a31e0568d74cd99
Quelldatensatz
uspto-grants-2011_05
Patentnummer
US07935688B2

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