Synthesis and biological activity of the 17-acetate and diacetate of 6-methylpregna-4,6-diene-3β,17α diol-20-one

Hybrid chiral molecules containing frameworks of a pregnane steroid and 5‐arylpyrrolidine‐2,4‐dicarboxylate have been synthesized for the first time in a diastereomerically pure form. Chiral pregnane‐based acrylate induced stereoselective formation of all‐cis trisubstituted pyrrolidine moiety under cycloaddition with stabilized N‐metalated azomethine ylides. β‐Dipeptidic fragment was built up at C‐3 pregnane position using consequent acryloylation and stereoselective cycloaddition with stabilized N‐metalated azomethine ylide. All novel hybrid molecules demonstrated micromolar cytotoxic activity against human cervical epithelioid cancer HeLa cell culture in native and estradiol‐stimulated forms and breast carcinoma MCF‐7 cell culture. The most of hybrid compounds are less toxic towards human skin fibroblasts HSF as compared with studied hormonal tumor cells.

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A Pregnane Steroid as the Chiral Auxiliary in 1,3‐Dipolar Azomethine Ylide's Cycloaddition: Asymmetric Synthesis and Anticancer Activity of Novel Hybrid Compounds

Kudryavtsev

Sokolov

Varpetyan

et al. 2020

ChemistrySelect

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Synthesis and biological activity of the 17-acetate and diacetate of 6-methylpregna-4,6-diene-3β,17α diol-20-one

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A Pregnane Steroid as the Chiral Auxiliary in 1,3‐Dipolar Azomethine Ylide's Cycloaddition: Asymmetric Synthesis and Anticancer Activity of Novel Hybrid Compounds

A Pregnane Steroid as the Chiral Auxiliary in 1,3‐Dipolar Azomethine Ylide's Cycloaddition: Asymmetric Synthesis and Anticancer Activity of Novel Hybrid Compounds

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