Hydrochloric Acid → HCID 18655319, compound

Participants

Reaction Steps

50 g of finely powdered (Z)-5-isobutylidene-4-methoxy-3-pyrroline-2-one was stirred with 500 ml of concentrated hydrochloric acid for 5 hours at room temperature. The mixture was then stirred 5 hours at room temperature and slowly mixed with 1 liter of 14 percent sodium hydroxide solution. The precipitated yellow product was filtered off, washed with cold water and dried in a vacuum drying cabinet. The yield of the title compound was 42.0 g (92 percent of theory). The title compound had a melting point of 134° to 136° C. (THF/hexane).

Provenance & Evidence