Hoffmann-la Roche Inc.

Thomas I Doran

Milan R Uskokovic

John A McLane

Michelangelo Scalone

Masami Okabe

Michael Rosenberger

Giacomo Pizzolato

Shian-Jan Shiuey

Bernard Michael Hennessy

Farhad Sedarati

Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or acyl; provided that only one of R.sup.1 or R.sup.2 is hydrogen are taught as useful in the treatment of hyperproliferative skin diseases and sebaceous gland diseases.

Vitamin D3 analogs for the treatment of psoriasis and sebaceous gland

Compounds of the formula ##STR1## wherein R is hydrogen, hydroxy, or fluorine, X is H.sub.2 or .dbd.CH.sub.2, and the 23,24-double bond is E or Z, are useful as agents for the treatment of hyperproliferative disorders of the skin such as psoriasis, as agents for the treatment of tumors such as breast cancer, as agents for the treatment of neoplastic diseases such as leukemia, and as agents for the treatment of sebaceous gland diseases such as acne and seborrheic dermatitis.

Vitamin D3 fluorinated analogs

The invention comprises compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or acyl; provided that only one of R.sup.1 or R.sup.2 is hydrogen, useful in the treatment of hyperproliferative skin diseases and sebaceous gland diseases. The invention also includes a process for making these compounds and steroid intermediates of the process.

Steroid intermediates for the formation of vitamin D.sub.3 analogues

This invention is for 1.alpha.-fluoro-25-hydroxy-16-ene-23-yne-cholecalciferol, which can be further characterized by the formula: ##STR1## and which is useful as an agent for the treatment of sebaceous gland diseases such as acne and sebhorreic dermatitis.

1.alpha.-fluoro-25-hydroxy-16-ene-23-yne-cholecalciferol

A compound of the formula ##STR1## its pharmaceutically acceptable salts, and its pharmaceutically acceptable hydrolyzable esters for reducing sebum secretion and combatting acne as well as oral and topical compositions for use thereof.

Nonatetraenoic acid derivative for use in treating acne

The invention is drawn to compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2 are hydrogen or acyl; provided that only one of R.sup.1 or R.sup.2 is hydrogen, useful in the treatment of hyperproliferative skin diseases and sebaceous gland diseases.

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West Orange, NJ, United States of America

Thomas I Doran