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Triethylamine → 2-(4-Chloro-2,6-dimethyl-phenoxy)-4-(S)-(4-ethyl-2-oxo-oxazolidin-3-yl)-6-methyl-nicotinic acid methyl ester

HRID 2307960
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 2307960
[CH3:1][O:2][C:3](=[O:27])[C:4]1[C:9]([NH:10][CH:11]([CH2:14][OH:15])[CH2:12][CH3:13])=[CH:8][C:7]([CH3:16])=[N:6][C:5]=1[O:17][C:18]1[C:23]([CH3:24])=[CH:22][C:21]([Cl:25])=[CH:20][C:19]=1[CH3:26].Cl[C:29](Cl)([O:31]C(=O)OC(Cl)(Cl)Cl)Cl.C(N(CC)CC)C>C1COCC1>[CH3:1][O:2][C:3](=[O:27])[C:4]1[C:9]([N:10]2[C@@H:11]([CH2:12][CH3:13])[CH2:14][O:15][C:29]2=[O:31])=[CH:8][C:7]([CH3:16])=[N:6][C:5]=1[O:17][C:18]1[C:19]([CH3:26])=[CH:20][C:21]([Cl:25])=[CH:22][C:23]=1[CH3:24]
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Komponenten

5

Edukt 3

HCID 8471TriethylamineHCID 94429TriphosgeneHCID 101786472-(4-Chloro-2,6-dimethyl-phenoxy)-4-(1-hydroxymethyl-propylamino)-6-methyl-nicotinic acid methyl ester

Produkt 1

HCID 695875472-(4-Chloro-2,6-dimethyl-phenoxy)-4-(S)-(4-ethyl-2-oxo-oxazolidin-3-yl)-6-methyl-nicotinic acid methyl ester

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028
Tetrahydrofuran
Lösungsmittel

Versuchsvorschrift

A mixture of 2-(4-chloro-2,6-dimethyl-phenoxy)-4-(1-hydroxymethyl-propylamino)-6-methyl-nicotinic acid methyl ester (106 mg, 0.27 mmol), triphosgene )27 mg, 0.090 mmol), triethylamine (27 mg, 0.27 mmol) in dry THF was stirred at room temperature for 2 hr. The mixture was quenched with water and extracted with ethyl acetate. The organic layer was separated, washed with water, dried over anhydrous sodium sulfate, filtered, arid concentrated to dryness to give 13.6 g of crude product as a white glass foam. The foam was triturated with hexane/diethyl ether to give a white solid, mp. 144-145.5° C., Anal. For C21H23ClN2O5 calc.: C, 60.22; H, 5.53; N, 6.69; found: C, 60.10, H, 5.79; N, 6.66.

Aufarbeitung

  1. customThe mixture was quenched with water
  2. extractionextracted with ethyl acetate
  3. customThe organic layer was separated
  4. washwashed with water
  5. dry with materialdried over anhydrous sodium sulfate
  6. filtrationfiltered
  7. concentrationarid concentrated to dryness

Quellen und Nachweise

ORD-Eintrag
ord-1fbaeba102764ebf8f5beac0f41e846e
Quelldatensatz
uspto-grants-2004_12
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06833378B2

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