Reaktion #1075358

Reaktionsgleichung

4-piperidin-4-yl-1,3-dihydroindol-2-one

4-oxo-2,4,6,7-tetrahydropyrano[3,4-c]pyrrole-1-carbaldehyde

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title compound

Ausbeute 28.0%

1-(2-Oxo-4-piperidin-4-yl-1,2-dihydroindol-3-ylidenemethyl)-6,7-dihydro-2H-pyrano[3, 4-c]pyrrol-4-one

Ausbeute 28.0%

Lösungsmittel

ethanol

Reaktionsbedingungen

Aufarbeitung

1. 1
   FiltrationThe precipitate was collected by vacuum filtration
2. 2
   Waschenwashed with ethanol
3. 3
   Sonstigedried

Vorschrift

A mixture of 4-piperidin-4-yl-1,3-dihydroindol-2-one (117 mg, 0.54 mmol), 4-oxo-2,4,6,7-tetrahydropyrano[3,4-c]pyrrole-1-carbaldehyde (89.3 mg, 0.54 mmol) and piperidine (1 drop) in ethanol (3 mL) was stirred at room temperature for 2 days. The precipitate was collected by vacuum filtration, washed with ethanol and dried to give 54.1 mg (28%) of the title compound as a yellow solid.

Quelle