112849-17-9

Calcipotriol Impurity 11 Calcipotriol Intermediate 9 Calcipotriol (Calcipotriene) intermediate (5E)-1,3-Bis-O-(tert-Butyldimethylsilyl)-24-oxo-calcipotriene (2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert... 1(S),3(R).20(R)-BIS(TERT-BUTYLDIMETHYLSILYLOXY)-20-(3'-CYCLOPROPYL-3'-OXYPROP-1'(E)-ENYL)-9,10-SECOPREGNA-5(E),10(19)TRIENE (1a,3b,5E,7E,22E)-24-Cyclopropyl-1,3-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-9,10-secochola-5,7,10(19),22-tetraen-24-one (R,E)-4-((1R,3aS,7aR,E)-4-((E)-2-((3S,5R)-3,5-bis(tert-butyldiMethylsilyloxy)-2-Methylenecyclohexylidene)ethylidene)-7a-Methyloctahydro-1H-inden-1-yl)-1-cyclopropylpent-2-en-1-one (2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert-butyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-cyclopropyl-2-penten-1-one 2-Penten-1-one, 4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1H-inden-1-yl]-1-cyclopropyl-, (2E,4R)- InterMediate G6/(2E,4R)-4-[(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(tert-butyl)diMethylsilyl]oxy]-2-Methylenecyclohexylidene]ethylidene]octahydro-7a-Methyl-1H-inden-1-yl]-1-cyclopropyl-2-penten-1-one