Sodium sulfate decahydrate → 5-(N-[ethyl]amino)-3-(1-methylpiperidin-4-yl)pyrrolo[3,2-b]pyridine

HRID 1075566

Reaktionsgleichung

[C:1]([NH:4][C:5]1[N:10]=[C:9]2[C:11]([CH:14]3[CH2:19][CH2:18][N:17]([CH3:20])[CH2:16][CH2:15]3)=[CH:12][NH:13][C:8]2=[CH:7][CH:6]=1)(=O)[CH3:2].[H-].[Al+3].[Li+].[H-].[H-].[H-].O.O.O.O.O.O.O.O.O.O.S([O-])([O-])(=O)=O.[Na+].[Na+]>O1CCCC1>[CH2:1]([NH:4][C:5]1[N:10]=[C:9]2[C:11]([CH:14]3[CH2:19][CH2:18][N:17]([CH3:20])[CH2:16][CH2:15]3)=[CH:12][NH:13][C:8]2=[CH:7][CH:6]=1)[CH3:2]

Komponenten

Reaktionsbedingungen

Temperatur: 75 °C

Versuchsvorschrift

A mixture of 0.200 gm (0.74 mMol) 5-(N-[acetyl]amino)-3-(1-methylpiperidin-4-yl)pyrrolo[3,2-b]pyridine and 0.125 gm (3.31 mMol) lithium aluminum hydride in 40 mL tetrahydrofuran was heated at 75° C. for 18 hours. The reaction mixture was cooled to 0° C. and was then treated with sodium sulfate decahydrate. After vigorous stirring the reaction mixture was filtered through a pad of celite and the filtrate concentrated under reduced pressure. The residue was subjected to flash silica gel chromatography, eluting with dichloromethane containing from 0-20% methanol. Fractions containing product were combined and concentrated under reduced pressure to provide 0.10 gm (54%) of the title compound.

Aufarbeitung

temperatureThe reaction mixture was cooled to 0° C.
filtrationwas filtered through a pad of celite
concentrationthe filtrate concentrated under reduced pressure
washeluting with dichloromethane containing from 0-20% methanol
additionFractions containing product
concentrationconcentrated under reduced pressure

Quellen und Nachweise

ORD-Eintrag: ord-e99780d1b0c04ec2b542f4afb21097d4
Quelldatensatz: uspto-grants-1999_05
DOI: 10.6084/m9.figshare.5104873.v1
Patentnummer: US05905084

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