Dichloromethane → HCID 86613535, Verbindung

HRID 2237737Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2237737
[NH2:1][CH2:2][C@@H:3]([C@@H:5]([NH:26][C:27](=[O:33])[O:28][C:29]([CH3:32])([CH3:31])[CH3:30])[CH2:6][C@H:7]([CH2:11][C:12]1[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[C:14]([O:20][CH2:21][CH2:22][CH2:23][O:24][CH3:25])[CH:13]=1)[CH:8]([CH3:10])[CH3:9])[OH:4].ClCCl.C(N(CC)CC)C.[C:44](Cl)(=[O:51])[C:45]1[CH:50]=[CH:49][CH:48]=[CH:47][CH:46]=1>O>[C:44]([NH:1][CH2:2][C@@H:3]([C@@H:5]([NH:26][C:27](=[O:33])[O:28][C:29]([CH3:31])([CH3:30])[CH3:32])[CH2:6][C@H:7]([CH2:11][C:12]1[CH:17]=[CH:16][C:15]([O:18][CH3:19])=[C:14]([O:20][CH2:21][CH2:22][CH2:23][O:24][CH3:25])[CH:13]=1)[CH:8]([CH3:10])[CH3:9])[OH:4])(=[O:51])[C:45]1[CH:50]=[CH:49][CH:48]=[CH:47][CH:46]=1

Komponenten

6

Edukt 4

HCID 6344DichloromethaneHCID 7412Benzoyl chlorideHCID 8471TriethylamineHCID 59588942HCID 59588942, Verbindung

Produkt 1

HCID 86613535HCID 86613535, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 962WaterLösungsmittel

Versuchsvorschrift

The solution of 0.025 g of tert-butyl {1(S)-(2-amino-1(S)-hydroxyethyl)-3(S)-[4-methoxy-3-(3-methoxypropoxy)benzyl]-4-methylpentyl}carbamate (Example 36b) and 0.8 ml of dichloromethane is admixed successively with 0.006 ml of triethylamine and 0.007 ml of benzoyl chloride and stirred at room temperature over 1 hour. The reaction solution is admixed with water and extracted with tert-butyl methyl ether (2×). The combined organic phases are washed successively with water and brine, dried over sodium sulphate and concentrated by evaporation. The title compound is obtained from the residue by means of flash chromatography (SiO2 60F) as a colourless oil. Rf=0.74 (200:20:1 dichloromethane-methanol-25% conc. ammonia); Rt=5.01 (gradient I).

Aufarbeitung

  1. extractionextracted with tert-butyl methyl ether (2×)
  2. washThe combined organic phases are washed successively with water and brine
  3. dry with materialdried over sodium sulphate
  4. concentrationconcentrated by evaporation

Quellen und Nachweise

ORD-Eintrag
ord-fb4cd519319f4cf2ad6a8f3a2c2f8605
Quelldatensatz
uspto-grants-2010_05
Patentnummer
US07718675B2

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