European Journal of Chemistry 2015, 6(1), 1-7 | doi: | Get rights and content


Exploration of new 3α-pregnenolone ester analogues via Mitsunobu reaction, their anti-HIV activity and molecular modeling study

Kuthair Mohammed Mahdi (1) , Nabeel Abed Abdul-Reda (2) , Najim Aboud Al-Masoudi (3,*)

(1) Department of Chemistry, College of Education, University of Qadisiya, Qadisiya, 58002, Iraq
(2) Department of Chemistry, College of Education, University of Qadisiya, Qadisiya, 58002, Iraq
(3) Department of Chemistry, College of Science, University of Basrah, Basrah, 61004, Iraq
(*) Corresponding Author

Received: 31 Aug 2014 | Accepted: 29 Oct 2014 | Published: 31 Mar 2015 | Issue Date: March 2015


A new series of (5-pregnen-20-on-3α-yl)-substituted-benzoate analogues (10-13), (5-pregnene-20-on-3α-yl)-3-(substituted)acrylate derivatives (17-19) as well as the (17-(2-acetoxyacetyl)pregen-3α-yl)-3,4,5-trihydroxybenzoate (21) were synthesized from the β-pregenenolone scaffolds, by applying Mitsunobu reaction. All new compounds were characterized by 1H, 13C and 2D NMR spectroscopy. The inversion in configuration at C-3 during the formation of α-ester analogues was confirmed by NOESY NMR spectroscopy. The new compounds were evaluated for their in vitro antiviral activity against the replication of HIV-1 and HIV-2 in MT-4 cells. Compounds 18 showed an EC50 value of >1.95 mg/mL. In addition, preliminary structure-activity relationship and molecular modeling of compound 18 has been studied.


Steriods; Pregnenolone; Anti-HIV activity; Mitsunobu reaction; Molecular modeling study; 17α-Hydroxylase/C17,20-lyase

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DOI: 10.5155/eurjchem.6.1.1-7.1139

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How to cite

Mahdi, K.; Abdul-Reda, N.; Al-Masoudi, N. Eur. J. Chem. 2015, 6(1), 1-7. doi:10.5155/eurjchem.6.1.1-7.1139
Mahdi, K.; Abdul-Reda, N.; Al-Masoudi, N. Exploration of new 3α-pregnenolone ester analogues via Mitsunobu reaction, their anti-HIV activity and molecular modeling study. Eur. J. Chem. 2015, 6(1), 1-7. doi:10.5155/eurjchem.6.1.1-7.1139
Mahdi, K., Abdul-Reda, N., & Al-Masoudi, N. (2015). Exploration of new 3α-pregnenolone ester analogues via Mitsunobu reaction, their anti-HIV activity and molecular modeling study. European Journal of Chemistry, 6(1), 1-7. doi:10.5155/eurjchem.6.1.1-7.1139
Mahdi, Kuthair, Nabeel Abed Abdul-Reda, & Najim Aboud Al-Masoudi. "Exploration of new 3α-pregnenolone ester analogues via Mitsunobu reaction, their anti-HIV activity and molecular modeling study." European Journal of Chemistry [Online], 6.1 (2015): 1-7. Web. 13 Aug. 2020
Mahdi, Kuthair, Abdul-Reda, Nabeel, AND Al-Masoudi, Najim. "Exploration of new 3α-pregnenolone ester analogues via Mitsunobu reaction, their anti-HIV activity and molecular modeling study" European Journal of Chemistry [Online], Volume 6 Number 1 (31 March 2015)

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