Hydro Hydroxy Phenantrene

New active compounds are provided for the preparation of
pharmaceutical compositions for medicinal use in general, and
for use in dermatology, oncology, and the treatment of kidney,
liver and nervous system disorders, and in which is present the
group of formula (HHP) (also known as IIF) having three six-carbon condensed
homocyclic rings including an aromatic central ring and two
saturated or unsaturated aliphatic side rings in the meta position
with respect to the aromatic central ring, and wherein the lateral
substitutes R1 and R2 are alkyl groups with a carbon number of 1 to 4; both the aliphatic side rings also possibly having one
or more further lateral substitutes.

a) Wo1997002030 - a cosmetic antimycotic composition for skin applications and
pharmaceutical composition for the treatment of tumorous cells,
bladder or nerve disorders

https://patentimages.storage.googleapis.com/89/09/f7/4757884b86c937/wo1997002030a1.pdf

b) Wo2000017143 - derivatives of phenantrene for medicinal use