| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 2028237 | Steroids | 2012 | 5 Pages |
A new stereoselective synthesis of E-guggulsterone is described starting from androsten-3,17-dione. Protection of the ring A enonic system, followed by regioselective Wittig reaction and C-16 oxidation, affords E-guggulsterone in good yields and high stereoselectivity, making this approach easily accessible and scalable. Moreover, an original normal-phase HPLC method enabling the fast quantitation of the guggulsterone isomeric purity, combined with the suitability for sampling procedures, is detailed. The relying upon the cellulose-based Chiralpak IB column and the chloroform as the “non-standard” component of the eluent mixture, allows to get profitably high chromatographic performances.
► New stereoselective synthesis of E-guggulsterone. ► Regioselective Wittig reaction and C-16 oxidation. ► The approach is easily accessible and scalable. ► Normal-phase HPLC method for the fast quantitation of the guggulsterone isomeric purity.
