![](/CAS/20200119/GIF/77017-17-5.gif)
Prednisolone Impurity A synthesis
- Product Name:Prednisolone Impurity A
- CAS Number:77017-17-5
- Molecular formula:C21H26O5
- Molecular Weight:358.43
![Pregna-1,4-diene-3,20-dione, 17-bromo-11,16,21-trihydroxy-, (11β,16β)- (9CI)](/CAS/20210305/GIF/77017-16-4.gif)
77017-16-4
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![Prednisolone Impurity A](/CAS/20200119/GIF/77017-17-5.gif)
77017-17-5
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Yield: 28%
Reaction Conditions:
with potassium acetate in N,N-dimethyl-formamideAmbient temperature;overnight;
References:
Annen, Klaus;Hofmeister, Helmut;Laurent, Henry;Petzoldt, Karl;Seeger, Arne;Wiechert, Rudolf [Chemische Berichte,1980,vol. 113,# 12,p. 3827 - 3836]