Caribenol B

Caribenol B is a cyclic terpene ketone that is 2a,3,4,5,5a,6,7,8-octahydroacenaphthylen-1(2H)-one substituted by hydroxy groups at positions 2 and 2a, methyl groups at positions 2, 5 and 8 and a 2-methylprop-1-en-1-yl group at position 3. It is isolated from the the West Indian gorgonian octocoral Pseudopterogorgia elisabethae and exhibits antitubercular and antimalarial activity. It has a role as a metabolite and an antimalarial. It is a tertiary alpha-hydroxy ketone, a diol, a tertiary alcohol, a cyclic terpene ketone, a carbotricyclic compound and an enone.