9-Bromo Hydrocortisone 21-Acetate is an intermediate in the synthesis of Hydrocortisone (9b,11b)-Epoxide which is a Hydrocortisone derivative formed by microbiological epoxidation of Hydrocortisone (H714615).
Kurosawa, Y., et al.: Agric. Biol. Chem., 25 838 (1961),