HCID 13603313, compound → HCID 13603322, compound

Participants

Reaction Steps

A mixture of 20 g. (73.3 mmoles) of ethyl 5-ethyl-6-oxo-6,7-dihydro-furo[2,3-f]indole-7-carboxylate and 4 g. of 10% palladium-on-carbon was shaken in a hydrogen atmosphere at an initial pressure of 50 psi. After 2 hours the catalyst was filtered and the filtrate evaporated. The residue was recrystallized from diethyl ether, 12.6 g. (63% yield), m.p. 82°-84° C.

Provenance & Evidence