Hydrochloric Acid → N-[(3-formyl-thien-2-yl)sulfonyl]glycine ethyl ester

HRID 1490048Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1490048
[CH2:1]([O:3][C:4](=[O:20])[CH2:5][NH:6][S:7]([C:10]1[S:11][CH:12]=[CH:13][C:14]=1[CH:15]1OCC[O:16]1)(=[O:9])=[O:8])[CH3:2].Cl>C1COCC1.[Cl-].[Na+].O>[CH2:1]([O:3][C:4](=[O:20])[CH2:5][NH:6][S:7]([C:10]1[S:11][CH:12]=[CH:13][C:14]=1[CH:15]=[O:16])(=[O:9])=[O:8])[CH3:2]

Komponenten

5

Edukt 2

HCID 313Hydrochloric AcidHCID 21480494N-[[3-(1,3-dioxolan-2-yl)-2-thienyl]sulfonyl]glycine ethyl ester

Produkt 1

HCID 21480488N-[(3-formyl-thien-2-yl)sulfonyl]glycine ethyl esterAusbeute 82 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 8028TetrahydrofuranLösungsmittelHCID 57417360Sodium chloride; waterLösungsmittel

Versuchsvorschrift

To a solution of the product from Step A (31.0 g 97.0 mmol) in THF (100 mL) was added 3N HCl and the mixture stirred for 6 h at room temperature. Brine (100 mL) was added and the mixture extracted with ethyl acetate (3×100 mL). The combined extracts were washed with brine (20.0 mL), dried (MgSO4) and evaporated to yield a white solid (22.0 g, 82%): mp 74°-76° C.

Aufarbeitung

  1. extractionthe mixture extracted with ethyl acetate (3×100 mL)
  2. washThe combined extracts were washed with brine (20.0 mL)
  3. dry with materialdried (MgSO4)
  4. customevaporated

Quellen und Nachweise

ORD-Eintrag
ord-318a40ba4ce4467d9212f159c104f3ee
Quelldatensatz
uspto-grants-1997_10
Patentnummer
US05681834

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