Hydrochloric Acid → HCID 66661964, Verbindung

HRID 240232

Reaktionsgleichung

Reaktionsgleichung von HRID 240232
C[O-].[Na+].[NH2:4][C@H:5]([C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)[CH2:6][C:7]([OH:9])=[O:8].[O:16]1[CH:18]([CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH3:28])[CH2:17]1.Cl>CO>[OH:16][CH:18]([CH2:19][CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH3:28])[CH2:17][NH:4][C@H:5]([C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1)[CH2:6][C:7]([OH:9])=[O:8]

Komponenten

6

Edukt 4

HCID 313Hydrochloric AcidHCID 178581,2-EpoxydodecaneHCID 686704(3S)-3-amino-3-phenylpropanoic acidHCID 10942334Sodium Methoxide

Produkt 1

HCID 66661964HCID 66661964, VerbindungAusbeute 87,9 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 887MethanolLösungsmittel

Versuchsvorschrift

27.01 g of sodium methoxide and 82.6 g of (S)-3-amino-3-phenylpropionic acid were dissolved in 800 ml of methanol. After adding 92 g of 1,2-epoxydodecane, the solution was stirred at room temperature for 20 h. Subsequently, the pH of the solution was adjusted to pH 6 with methanolic hydrochloric acid and the sodium chloride which crystallized out filtered off. After the methanol was distilled off, an oily residue remained, which crystallized in the course of stirring with 700 ml of acetone. This resulted in 153.4 g of colorless crystals. 1H NMR (DMSO) δ (ppm): 0.85 (t, 3H), 1.13-1.31 (m, 18H), 2.28/2.60/2.70/2.86 (m, 2H), 3.02 (m, 1H), 3.34 (m, 1H), 3.66-3.78 (m, 1H), 4.57 (m, 1H), 5.20/5.29 (s, br., 1H, OH), 7.42 (m, 3H), 7.60 (m, 2H), 9.40 (s, br., 2H, NH2+), 12.56 (s, 1H, CO2H)

Aufarbeitung

  1. customthe sodium chloride which crystallized out
  2. filtrationfiltered off
  3. distillationAfter the methanol was distilled off
  4. customwhich crystallized in the course
  5. stirringof stirring with 700 ml of acetone

Quellen und Nachweise

ORD-Eintrag
ord-301adbb9d4b9442e98ab170d47998e12
Quelldatensatz
uspto-grants-2014_02
Patentnummer
US08647882B2

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