The invention relates to a new process for the synthesis of 17.beta.-hydroxy-17.alpha.-methyl-2-oxa-5.alpha.-androstane-3-one of formula (I). The process according to the invention is as follows: the 17.beta.-hydroxy-17.alpha.-ethyl-1,3-seco-2-nor-5.alpha.-androstane-1,3-di acid of fo
The invention relates to a new process for the synthesis of 17.beta.-hydroxy-17.alpha.-methyl-1,3-seco-2-nor-5.alpha.-androstane-3-aci d derivatives of formula (I) ##STR1## wherein the meaning of Z is carboxyl or formyl group andto the new secoindoxylidene carboxylic acid derivatives o
An intermediate compound is disclosed that is useful in the preparation of a lipid-peroxidation inhibiting substance and that is selected from the group consisting of:2,4-bis[1-adamantylamino]-6-(1-piperazinyl)pyrimidine; and4,6-bis(1-adamantylamino)-2-(1-piperazinyl)pyrimidine;or a pharmace
