1,3-Cyclohexanedione → 2-[(Dimethylamino)methylidene]cyclohexane-1,3-dione

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

A mixture of cyclohexane-1,3-dione (33.6 g, 300 mmol) in DMF-DMA (120 ml) was heated to 100° C. and stirred for 1 h under nitrogen protection. The volatiles were concentrated under reduced pressure. The red solid (55 g crude) was used in the next step directly.

Herkunft & Nachweise