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(2S,3S)-(-)-3-tert-Butoxycarbonylamino-1,2-epoxy-4-phenylbutane → tert-butyl (2S,3R)-4-(3-(diethylamino)benzylamino)-3-hydroxy-1-phenylbutan-2-ylcarbamate

HRID 2071176
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2071176
[Al](OS(C(F)(F)F)(=O)=O)(OS(C(F)(F)F)(=O)=O)OS(C(F)(F)F)(=O)=O.[NH2:26][CH2:27][C:28]1[CH:29]=[C:30]([CH:36]=[CH:37][CH:38]=1)[N:31]([CH2:34][CH3:35])[CH2:32][CH3:33].[O:39]1[CH2:41][C@@H:40]1[C@@H:42]([NH:50][C:51](=[O:57])[O:52][C:53]([CH3:56])([CH3:55])[CH3:54])[CH2:43][C:44]1[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=1>CCOC(C)=O.O>[CH2:34]([N:31]([CH2:32][CH3:33])[C:30]1[CH:29]=[C:28]([CH:38]=[CH:37][CH:36]=1)[CH2:27][NH:26][CH2:41][C@@H:40]([OH:39])[C@@H:42]([NH:50][C:51](=[O:57])[O:52][C:53]([CH3:55])([CH3:54])[CH3:56])[CH2:43][C:44]1[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=1)[CH3:35]
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Komponenten

6

Edukt 3

HCID 9903372(2S,3S)-(-)-3-tert-Butoxycarbonylamino-1,2-epoxy-4-phenylbutaneHCID 16684924Al(III) triflateHCID 392370373-(aminomethyl)-N,N-diethylaniline

Produkt 1

HCID 59569656tert-butyl (2S,3R)-4-(3-(diethylamino)benzylamino)-3-hydroxy-1-phenylbutan-2-ylcarbamateAusbeute 22 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 962
Water
Katalysator
HCID 8857Ethyl AcetateLösungsmittel

Reaktionsbedingungen

Temperatur
70 °C

Versuchsvorschrift

Al(OTf)3 (0.0168 g, 0.036 mmol, 5 mol %) was added to a flask charged with 3-(aminomethyl)-N,N-diethylaniline (0.19 g, 1.07 mmol, 1.5 eq) under Ar. After stirring for 10 min tert-butyl (S)-1-((S)-oxiran-2-yl)-2-phenylethylcarbamate (0.187 g, 0.71 mmol, 1 eq) was added and the mixture was heated to 70° C. for 1 h. After cooling to room temperature the residue was dissolved in EtOAc with a few drops of water. After 20 min of vigorous stirring the mixture was filtered through cotton and dried over Na2SO4. The inorganics were filtered off, and the solvent was removed in vacuo. Purification via flash chromatography yielded 0.0682 g (0.154 mmol, 22% yield) of the product.

Aufarbeitung

  1. additionwas added
  2. temperatureAfter cooling to room temperature the residue
  3. filtrationwas filtered through cotton
  4. dry with materialdried over Na2SO4
  5. filtrationThe inorganics were filtered off
  6. customthe solvent was removed in vacuo
  7. customPurification via flash chromatography

Quellen und Nachweise

ORD-Eintrag
ord-06b7f7cab80a4d7989d8d051ed5376fc
Quelldatensatz
uspto-grants-2012_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08299267B2

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