Water → 1H-Pyrrolo[2,3-B]pyridine-3-carboxaldehyde, 5-chloro-1-(phenylsulfonyl)-

HRID 1256819Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1256819
[Cl:1][C:2]1[CH:3]=[C:4]2[C:10]([CH:11]=[O:12])=[CH:9][NH:8][C:5]2=[N:6][CH:7]=1.[OH-].[K+].[C:15]1([S:21](Cl)(=[O:23])=[O:22])[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1.O>ClCCl.S([O-])(O)(=O)=O.C([N+](CCCC)(CCCC)CCCC)CCC>[C:15]1([S:21]([N:8]2[C:5]3=[N:6][CH:7]=[C:2]([Cl:1])[CH:3]=[C:4]3[C:10]([CH:11]=[O:12])=[CH:9]2)(=[O:23])=[O:22])[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1

Komponenten

7

Edukt 4

HCID 962WaterHCID 7369Benzenesulfonyl chlorideHCID 14797Potassium HydroxideHCID 468564775-chloro-1H-pyrrolo(2,3-b)pyridine-3-carbaldehyde

Produkt 1

HCID 497590321H-Pyrrolo[2,3-B]pyridine-3-carboxaldehyde, 5-chloro-1-(phenylsulfonyl)-

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 94433Tetrabutylammonium hydrogen sulfateKatalysatorHCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

To 5-chloro-1H-pyrrolo[2,3-b]pyridine-3-carbaldehyde (596, 3.60 g, 0.0199 mol) in dichloromethane (100 mL) were added a solution of potassium hydroxide (9 M in water, 50 mL), tetrabutylammonium hydrogen sulfate (400 mg, 0.001 mol) and benzenesulfonyl chloride (2.9 mL, 0.023 mol). The reaction was stirred at room temperature for 3 hours, then poured into water and extracted with ethyl acetate. The organic layer was dried over anhydrous sodium sulfate and filtered. The filtrate was concentrated and washed with ethyl acetate to give a white solid (597, 2.3 g, 36.0%).

Aufarbeitung

  1. extractionextracted with ethyl acetate
  2. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  3. filtrationfiltered
  4. concentrationThe filtrate was concentrated
  5. washwashed with ethyl acetate
  6. customto give a white solid (597, 2.3 g, 36.0%)

Quellen und Nachweise

ORD-Eintrag
ord-1c0f767b2a0c45799905298bdd1752b2
Quelldatensatz
uspto-grants-2013_06
Patentnummer
US08461169B2

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