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3-Hydroxypyridine → [4-(3-Pyridyloxymethyl)-2-phenylbenzoyl]methionine methyl ester

HRID 2121204
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2121204
[H-].[Na+].[OH:3][C:4]1[CH:5]=[N:6][CH:7]=[CH:8][CH:9]=1.[CH3:10][O:11][C:12](=[O:35])[C@H:13]([CH2:31][CH2:32][S:33][CH3:34])[NH:14][C:15](=[O:30])[C:16]1[CH:21]=[CH:20][C:19]([CH2:22]Br)=[CH:18][C:17]=1[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1.[OH-].[Na+]>CN(C=O)C>[CH3:10][O:11][C:12](=[O:35])[C@H:13]([CH2:31][CH2:32][S:33][CH3:34])[NH:14][C:15](=[O:30])[C:16]1[CH:21]=[CH:20][C:19]([CH2:22][O:3][C:4]2[CH:5]=[N:6][CH:7]=[CH:8][CH:9]=2)=[CH:18][C:17]=1[C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 79713-HydroxypyridineHCID 14798Sodium HydroxideHCID 24758Sodium hydrideHCID 54323738(4-Bromomethyl-2-phenylbenzoyl)methionine methyl ester

Produkt 1

HCID 53962378[4-(3-Pyridyloxymethyl)-2-phenylbenzoyl]methionine methyl esterAusbeute 25,7 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228
Dimethylformamide
Lösungsmittel
3×

Versuchsvorschrift

To a 0° C. suspension in DMF (2 mL) of sodium hydride (90% in mineral oil, 38 mg, 0.95 mmol) was added a solution of 3-hydroxypyridine (95 mg, 1.0 mmol) in DMF (2 mL) dropwise and the mixture was stirred for 0.5 hours. A solution of (4-bromomethyl-2-phenylbenzoyl)methionine methyl ester (218 mg, 0.5 mmol) in DMF (1 mL) was added and the reaction mixture was stirred for 18 hours. The reaction mixture was poured into aqueous 2N sodium hydroxide and the mixture was extracted with ethyl acetate (3×). The combined organic extracts were dried, filtered and concentrated in vacuo. Chromatography on silica gel (60% ethyl acetate-hexanes, then ethyl acetate) gave [4-(3-pyridyloxymethyl)-2-phenylbenzoyl]methionine methyl ester (58 mg). 1H NMR (300 MHz, DMSO-d6) δ 12.66 (bs, 1H), 8.58 (d, 1H), 8.38 (d, 1H), 8.17 (dd, 1H), 7.30-7.56 (m, 10H), 5.29 (s, 2H), 4.29 (ddd, 1H), 2.23 (m, 2H), 1.98 (s, 3H), 1.84 (m, 2H). MS (CI NH3) m/e 454 (M+NH4)+, 437 (M+H)+. Anal calcd for C24H24N2O4S (+0.41 H2O): C, 64.94; H, 5.64; N, 6.31. Found: C, 64.94; H, 5.35; N,S 6.14.

Aufarbeitung

  1. stirringthe reaction mixture was stirred for 18 hours
  2. extractionthe mixture was extracted with ethyl acetate (3×)
  3. customThe combined organic extracts were dried
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-29d4c57c898e47e7b82cf1869e29d5cd
Quelldatensatz
uspto-grants-2004_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06693123B2

Notizen zur Reaktion

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