British Technology Group Limited

Gerard A Potter

Michael Jarman

Ian R Hardcastle

Susan E Barrie

Ferdinand Chan

Compounds of the general formula (1) ##STR1## wherein X represents the residue of the A, B and C rings of a asteroid, R represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, R.sup.14 represents a hydrogen atom and R.sup.15 represents a hydrogen atom or an alkyl or alkoxy group of 1-4 carbon atoms, or a hydroxy or alkylcarbonyloxy group of 2 to 5 carbon atoms or R.sup.14 and R.sup.15 together represent a double bond, and R.sup.16 represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, in the form of the free bases or pharmaceutically acceptable acid addition salts, are used for treatment of androgen-dependent disorders, especially prostatic cancer, and also oestrogen-dependent disorders such as breast cancer.

Method for preparing 17-substituted steroids useful in cancer treatment

Compounds of the general formula (1) ##STR1## wherein X represents the residue of the A, B and C rings of a steroid, R represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, R.sup.14 represents a hydrogen atom and R.sup.15 represents a hydrogen atom or an alkyl or alkoxy group of 1-4 carbon atoms, or a hydroxy or alkylcarbonyloxy group of 2 to 5 carbon atoms or R.sup.14 and R.sup.15 together represent a double bond, and R.sup.16 represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, in the form of the free bases or phannaceutically acceptable acid addition salts, are useful for treatment of androgen-dependent disorders, especially prostatic cancer, and also oestrogen-dependent disorders such as breast cancer.

Growing community of inventors

Cheshire, United Kingdom

Gerard A Potter