Standards; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
應用
(11b,16b)-11-Hydroxy-16-methyl-17,21-bis(1-oxopropoxy)-pregna-1,4-diene-3,20-dione is an intermediate in the synthesis of (16b)-16-Methyl-17,21-bis(1-oxopropoxy)pregna-1,4,9(11)-triene-3,20-dione (M294225), which is an impurity of Beclomethasone (B131000), a glucocorticoid. Used in chronic asthma and allergic rhinitis. Antiallergic, antiasthmatic (inhalant). Anti-inflammatory (topical).
參考文獻
Malfitan, V.A., et al.: Clin. Ther., 4, 472 (1982), Rao, M., et al.: J. Asthma, 19, 21 (1982), Small, P., et al.: Ann. Allergy, 49, 127 (1982), Brogden, R.N., et al.: Drugs, 28, 99 (1984),
滬ICP備17019645號
400-821-0725
