Tyrosine Methyl Ester → N-[N-(3,5-Difluorophenylacetyl)-L-alaninyl]-L-tyrosine Methyl Ester

HRID 322708

Reaktionsgleichung

Reaktionsgleichung von HRID 322708
[F:1][C:2]1[CH:3]=[C:4]([CH2:9][C:10]([NH:12][C@H:13]([C:15]([OH:17])=O)[CH3:14])=[O:11])[CH:5]=[C:6]([F:8])[CH:7]=1.[CH3:18][O:19][C:20](=[O:31])[C@H:21]([CH2:23][C:24]1[CH:29]=[CH:28][C:27]([OH:30])=[CH:26][CH:25]=1)[NH2:22]>>[CH3:18][O:19][C:20](=[O:31])[C@H:21]([CH2:23][C:24]1[CH:25]=[CH:26][C:27]([OH:30])=[CH:28][CH:29]=1)[NH:22][C:15](=[O:17])[C@H:13]([CH3:14])[NH:12][C:10](=[O:11])[CH2:9][C:4]1[CH:5]=[C:6]([F:8])[CH:7]=[C:2]([F:1])[CH:3]=1

Komponenten

3

Edukt 2

HCID 70652Tyrosine Methyl EsterHCID 12135350(2S)-2-[[2-(3,5-difluorophenyl)acetyl]amino]propanoic acid

Produkt 1

HCID 10180420N-[N-(3,5-Difluorophenylacetyl)-L-alaninyl]-L-tyrosine Methyl Ester

Versuchsvorschrift

Following General Procedure A and using N-(3,5-difluorophenylacetyl)-L-alanine (from Example B2 above) and L-tyrosine methyl ester (Bachem), the title compound was prepared as a solid (mp=85-88° C.). The reaction was monitored by tlc (Rf=0.27 in 50% EtOAc/hexanes) and the product was purified by silica gel column chromatography.

Aufarbeitung

  1. customthe product was purified by silica gel column chromatography

Quellen und Nachweise

ORD-Eintrag
ord-31cb0ec84a4f45a19dd41a2fc74b8660
Quelldatensatz
uspto-grants-2001_04
Patentnummer
US06211235B1

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