Citations for: Zhao, Y.; Li, X.; Liu, H.; Yu, Y.; Hai, L.; Guo, L.; Wu, Y., First synthesis and characterization for the stereoisomers of Ulipristal acetate. Steroids 2015, 95, 7-16.

Entry Type
Name
Value
Parent Entry
Pharmacology Data Field
Progesterone Receptor Activity
Partial agonist and antagonist
Ulipristal Acetate (API)
Pharmacology Data Field
Glucocorticoid Receptor Activity
Antagonist
Ulipristal Acetate (API)
Impurity
11α,17α-Ulipristal Acetate
N/A
Impurities Data Field
Appearance
Slightly yellow syrup
11α,17α-Ulipristal Acetate (Impurity)
Impurities Data Field
Spectra
FTIR, 1H NMR, 13C NMR, HRMS peaks available.
11α,17α-Ulipristal Acetate (Impurity)
Impurity
11α,17β-Ulipristal Acetate
N/A
Impurities Data Field
Appearance
Slightly yellow syrup.
11α,17β-Ulipristal Acetate (Impurity)
Impurities Data Field
Spectra
FTIR, HRMS, 1H NMR, 13C NMR peaks available.
11α,17β-Ulipristal Acetate (Impurity)
Impurity
11β,17β-Ulipristal Acetate
N/A
Impurities Data Field
Appearance
Slightly yellow syrup.
11β,17β-Ulipristal Acetate (Impurity)
Impurities Data Field
Spectra
FTIR, HRMS, 1H NMR, 13C NMR peaks available.
11β,17β-Ulipristal Acetate (Impurity)