Dexamethasone 9,11-epoxide 是一种萃取得到的化合物，是制备地塞米松的中间体。摘自专利CN 106520896 A和RU 2532902 C1，

Dexamethasone 9,11-epoxide is a compound obtained by extraction and is an intermediate in the preparation of dexamethasone.

24916-90-3

C22H28O5

372.45

Dexamethasone 9,11-epoxide

DMSO:95mg/mL 255.07 mM),Need ultrasonic
H2O:< 0.1 mg/mL (insoluble)
Powder: -20°C for 3 years
In solvent: -80°C for 2 years