Reaktion #44844

ord-0c9a0cdfc8304382bf05447a70154c88

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Vorschrift

A solution of 4-hydroxyindole (266 mg, 2 mmol) in acetone (20 mL) was cooled to 0° C. under nitrogen and anhydrous potassium carbonate (414 mg, 3 mmol) was added. A solution of freshly distilled pure diethyl bromomalonate (574 mg, 2.4 mmol) in acetone (20 mL) was added dropwise and the mixture was stirred at room temperature overnight. Work up and flash chromatography as above afforded 7 (101 mg, 13%) and 8 (199 mg, 34%).

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07737169B2uspto-grants-2010_06