Home > Products > intermediate
CasNo: 3870-07-3
MF: C26H33FO7
The invention provides a full-novel synt...
The present invention discloses a proces...
C23H28O7
acetone
(11β,16α,17α)-21-acetyloxy-9-fluoro-11-hydroxy-16,17-<1-methylethylidenebis(oxy)>pregna-1,4-diene-3,20-dione
Conditions | Yield |
---|---|
C23H28O7;
With
hydrogen fluoride;
at -30 - -25 ℃;
acetone;
at -50 - -45 ℃;
|
62 g |
acetic anhydride
triamcinolone acetonide
(11β,16α,17α)-21-acetyloxy-9-fluoro-11-hydroxy-16,17-<1-methylethylidenebis(oxy)>pregna-1,4-diene-3,20-dione
Conditions | Yield |
---|---|
With
pyridine;
|
|
With
pyridine;
|
acetic anhydride
triamcinolone acetonide
triamcinolone
acetone
triamcinolone acetonide