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Sodium hydride → HCID 86689576, Verbindung

HRID 1853937
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1853937
[Br:1][C:2]1[CH:3]=[C:4]([N:24]2[CH2:28][CH2:27][C@H:26]([NH:29][C:30](=[O:36])[O:31][C:32]([CH3:35])([CH3:34])[CH3:33])[CH2:25]2)[CH:5]=[CH:6][C:7]=1[NH:8][C:9]([C:11]1[S:12][C:13]([C:16]2[CH:21]=[CH:20][C:19]([O:22][CH3:23])=[CH:18][CH:17]=2)=[CH:14][CH:15]=1)=[O:10].[H-].[Na+].[CH3:39][Si:40]([CH3:47])([CH3:46])[CH2:41][CH2:42][O:43][CH2:44]Cl>C1COCC1>[Br:1][C:2]1[CH:3]=[C:4]([N:24]2[CH2:28][CH2:27][C@H:26]([NH:29][C:30](=[O:36])[O:31][C:32]([CH3:33])([CH3:35])[CH3:34])[CH2:25]2)[CH:5]=[CH:6][C:7]=1[N:8]([CH2:44][O:43][CH2:42][CH2:41][Si:40]([CH3:47])([CH3:46])[CH3:39])[C:9]([C:11]1[S:12][C:13]([C:16]2[CH:17]=[CH:18][C:19]([O:22][CH3:23])=[CH:20][CH:21]=2)=[CH:14][CH:15]=1)=[O:10]
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Komponenten

5

Edukt 3

HCID 24758Sodium hydrideHCID 27242712-Chloromethyl 2-(trimethylsilyl)ethyl etherHCID 86689575HCID 86689575, Verbindung

Produkt 1

HCID 86689576HCID 86689576, VerbindungAusbeute 87 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

A solution of (S)-tert-butyl 1-{3-bromo-4-[5-(4-methoxyphenyl)thiophene-2-carboxamido]phenyl}pyrrolidin-3-ylcarbamate (400 mg, 0.69 mmol) in THF (20 mL) was cooled to 0° C. and sodium hydride (60 wt %, 140 mg, 3.5 mmol) was added. The reaction was warmed to room temperature followed by the addition of 2-(trimethylsilyl)ethoxymethyl chloride (370 mL, 2.1 mmol) and the reaction mixture was stirred at room temperature for 18 h. The reaction mixture was quenched with water and diluted with ethyl acetate. The layers were separated and the organic layer was dried over anhydrous sodium sulfate, filtered, concentrated and the residue was purified by column chromatography (silica, 0-30% ethyl acetate/heptane) to afford the desired product (400 mg, 87%): ESI MS m/z 703 [C33H44BrN3O5SSi+H]+.

Aufarbeitung

  1. customThe reaction mixture was quenched with water
  2. additiondiluted with ethyl acetate
  3. customThe layers were separated
  4. dry with materialthe organic layer was dried over anhydrous sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customthe residue was purified by column chromatography (silica, 0-30% ethyl acetate/heptane)

Quellen und Nachweise

ORD-Eintrag
ord-c7f60024f0a74ba9b8b3b340999420df
Quelldatensatz
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08962648B2

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