Ammonia → HCID 5327862, compound

Participants

Reaction Steps

750 mg (1.7 mmol) (±)-12-(3-Dimethylamino-2-hydroxy-1-propyl)-6,7,12,13-tetrahydro-13-methyl-5,7-dioxoindolo[2,3-a]furano[3,4-c]carbazole are heated in an autoclave with 50 ml ammonia-saturated ethanol for 20 hours at 140° C. The undissolved product is filtered off and again crystallised from ethanol. (±)-12-(3-Dimethylamino-2-hydroxy-1-propyl)-6,7,12,13-tetrahydro-13-methyl-5,7-dioxo-5H-indolo[2,3-a]-pyrrolo[3,4-c]carbazole is obtained in the form of a yellow amorphous powder; m.p. 260-270° C.

Provenance & Evidence