abstract |
Intermediates, i.e. 17 alpha -ethynyl steroids, of the formula: …<CHEM>… wherein the dotted lines represent either a single or double bond, and X is hydroxyl or an acyloxy, and a process for their preparation. …<??>These compounds are useful in the preparation of corticoids such as hydrocortisone and prednisolone, and a process for preparing the same. |