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Pyridine, hydrofluoride (1:1) → 17-Ethyl-1,14-dihydroxy-12-[2'-(4"-(2"'-phenyl-2"'-hydroxyethyloxy)-3"-methoxycyclohexyl)-1'-methylvinyl]-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetraone

HRID 1734375
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1734375
[CH2:1]([CH:3]1[CH:29]=[C:28]([CH3:30])[CH2:27][CH:26]([CH3:31])[CH2:25][CH:24]([O:32][CH3:33])[CH:23]2[O:34][C:19]([OH:38])([CH:20]([CH3:37])[CH2:21][CH:22]2[O:35][CH3:36])[C:18](=[O:39])[C:17](=[O:40])[N:16]2[CH:11]([CH2:12][CH2:13][CH2:14][CH2:15]2)[C:10](=[O:41])[O:9][CH:8]([C:42]([CH3:62])=[CH:43][CH:44]2[CH2:49][CH2:48][CH:47]([O:50][CH2:51][CH:52]([C:54]3[CH:59]=[CH:58][CH:57]=[CH:56][CH:55]=3)[OH:53])[CH:46]([O:60][CH3:61])[CH2:45]2)[CH:7]([CH3:63])[CH:6]([O:64][Si](C(C)(C)C)(C)C)[CH2:5][C:4]1=[O:72])[CH3:2].C1C=CN=CC=1.F>C1COCC1>[CH2:1]([CH:3]1[CH:29]=[C:28]([CH3:30])[CH2:27][CH:26]([CH3:31])[CH2:25][CH:24]([O:32][CH3:33])[CH:23]2[O:34][C:19]([OH:38])([CH:20]([CH3:37])[CH2:21][CH:22]2[O:35][CH3:36])[C:18](=[O:39])[C:17](=[O:40])[N:16]2[CH:11]([CH2:12][CH2:13][CH2:14][CH2:15]2)[C:10](=[O:41])[O:9][CH:8]([C:42]([CH3:62])=[CH:43][CH:44]2[CH2:49][CH2:48][CH:47]([O:50][CH2:51][CH:52]([C:54]3[CH:55]=[CH:56][CH:57]=[CH:58][CH:59]=3)[OH:53])[CH:46]([O:60][CH3:61])[CH2:45]2)[CH:7]([CH3:63])[CH:6]([OH:64])[CH2:5][C:4]1=[O:72])[CH3:2]
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Komponenten

4

Edukt 2

HCID 64774Pyridine, hydrofluoride (1:1)HCID 5728056017-Ethyl-1-hydroxy-14-(tert-butyldimethylsiloxy)-12-[2'-(4"-(2"'-phenyl-2"'-hydroxyethyloxy)-3"-methoxycyclohexyl)-1'-methylvinyl]-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetraone

Produkt 1

HCID 5710567017-Ethyl-1,14-dihydroxy-12-[2'-(4"-(2"'-phenyl-2"'-hydroxyethyloxy)-3"-methoxycyclohexyl)-1'-methylvinyl]-23,25-dimethoxy-13,19,21,27-tetramethyl-11,28-dioxa-4-azatricyclo[22.3.1.04,9]octacos-18-ene-2,3,10,16-tetraone
Ausbeute 42,7 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of the product from Step A (29 mg) in THF (400 μl) was added hydrogen fluoride/pyridine and the reaction mixture stirred at room temperature for 24 hours. The reaction was then quenched by the addition of saturated aqueous sodium bicarbonate and extracted into ethyl acetate. The organic phase was dried with magnesium sulphate and concentrated. The crude material was purified by column chromatography on silica gel eluting with 70% hexane:30% ethyl acetate to give the title compound (11 mg).

Aufarbeitung

  1. customThe reaction was then quenched by the addition of saturated aqueous sodium bicarbonate
  2. extractionextracted into ethyl acetate
  3. dry with materialThe organic phase was dried with magnesium sulphate
  4. concentrationconcentrated
  5. customThe crude material was purified by column chromatography on silica gel eluting with 70% hexane

Quellen und Nachweise

ORD-Eintrag
ord-f062b2854802420ca8fc256952078170
Quelldatensatz
uspto-grants-1996_07
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05532248

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