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Hydrochloric Acid → HCID 178464705, Verbindung

HRID 480479
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 480479
[OH:1][C:2]([C:30]1[CH:31]=[C:32]2[C:37](=[CH:38][CH:39]=1)[CH:36]=[C:35]([C:40]([O:42]C)=O)[CH:34]=[CH:33]2)([C:6]1[N:7]=[CH:8][N:9](C(C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[CH:10]=1)[CH:3]([CH3:5])[CH3:4].[OH-].[Na+].Cl.O[C:48](C1C=C2C(=CC=1)C=C(C(O)=O)C=C2)([C:52]1[N:53]=CN(C(C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)C=1)C(C)C.Cl.C(N)C.ON1C2C=CC=CC=2N=N1.Cl.CN(C)CCCN=C=NCC>C1COCC1.O.CO>[CH2:52]([NH:53][C:40]([C:35]1[CH:34]=[CH:33][C:32]2[C:37](=[CH:38][CH:39]=[C:30]([C:2]([OH:1])([C:6]3[N:7]=[CH:8][NH:9][CH:10]=3)[CH:3]([CH3:4])[CH3:5])[CH:31]=2)[CH:36]=1)=[O:42])[CH3:48]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

11

Edukt 7

HCID 313Hydrochloric AcidHCID 11198Ethylamine hydrochlorideHCID 14798Sodium HydroxideHCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 187691016-(1-hydroxy-2-methyl-1-(1-trityl-1H-imidazol-4-yl)propyl)-2-naphthoic acid
HCID 22285069
methyl 6-(1-hydroxy-2-methyl-1-(1-trityl-1H-imidazol-4-yl)propyl)-2-naphthoate

Produkt 1

HCID 178464705HCID 178464705, Verbindung

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 887MethanolLösungsmittelHCID 962WaterLösungsmittelHCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

To a solution of methyl 6-(1-hydroxy-2-methyl-1-(1-trityl-1H-imidazol-4-yl)propyl)-2-naphthoate (14.0 g) in THF (140 mL) was added methanol (30 mL) and 4N-NaOH (30 mL) at 60° C. The mixture was stirred for 2 h, neutralized with conc.HCl. The mixture was concentrated, diluted with water and extracted with ethyl acetate. The extract was concentrated to give crude mixture of 6-(1-hydroxy-2-methyl-1-(1-trityl-1H-imidazol-4-yl)propyl)-2-naphthoic acid. To a solution of the crude mixture was added ethylamine hydrochloride (2.41 g), 1-hydroxybenzotriazole (4.53 g) and 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (5.67 g) under ice cooling. The mixture was stirred at room temperature for 20 h, diluted with water and extracted with ethyl acetate. The extract was concentrated and purified by column chromatography (eluent; hexane:THF=1:2) followed by crystallization from hexane-ethyl acetate to give the titled compound (12.0 g) as a colorless powder.

Aufarbeitung

  1. concentrationThe mixture was concentrated
  2. additiondiluted with water
  3. extractionextracted with ethyl acetate
  4. concentrationThe extract was concentrated
  5. customto give crude
  6. stirringThe mixture was stirred at room temperature for 20 h
  7. extractionextracted with ethyl acetate
  8. concentrationThe extract was concentrated
  9. custompurified by column chromatography (eluent; hexane:THF=1:2)
  10. customfollowed by crystallization from hexane-ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-b242e89baaea40a4abbd83616ede2079
Quelldatensatz
uspto-grants-2003_11
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06649643B1

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