HCID 21548345, compound → HCID 20386598, compound

Participants

Reaction Steps

A solution of 6.7 g. of benzyl 9-benzoyl-6-methoxy-1,2,3,4-tetrahydrocarbazole-4-carboxylate in 250 ml. of ethyl acetate was hydrogenated over 1 g. of palladium-on-charcoal until the required amount of hydrogen had reacted. The mixture was filtered and the filtrate was evaporated to dryness under reduced pressure. The residue was slurried in ether and the resulting solid was collected by filtration to give 1.8 g. of the title compound; m.p. 157-159°C.

Provenance & Evidence