1
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Hammouda MM, Elattar KM, Rashed MM, Osman AMA. Synthesis and biological activities of bicyclic pyridines integrated steroid hybrid. Steroids 2023; 199:109287. [PMID: 37517592 DOI: 10.1016/j.steroids.2023.109287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/01/2023]
Abstract
Reports on structural modification of heterosteroids through various reactions, and developed synthetic routes have considerably increased over the last decade. The present review encompasses the applicable approaches dealing with the utility of reactive moieties in various steroids for the synthesis of fused bicyclic pyridines, and binary bicyclic pyridines all over the years. The different sections include the synthesis of steroids-fused, and binary quinolines, pyridopyrimidines, imidazopyridines, spirocyclic imidazopyridines, pyrazolopyridines, thienopyridines, pyridinyl-thiazoles, and tetrazolopyridine hybrids, as well as, the diverse biological applications of these heterocyclic steroids. The researchers' interest was principally focused on investigating the flexibility of synthetic strategies for various derivatives of natural steroids and building proposals based on heterocyclic steroids for drug discovery, biological assessments, and synthetic applications.
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Affiliation(s)
- Mohamed M Hammouda
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia; Chemistry Department, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura 35516, Egypt.
| | - Khaled M Elattar
- Unit of Genetic Engineering and Biotechnology, Faculty of Science, Mansoura University, El-Gomhoria Street, Mansoura 35516, Egypt.
| | - Marwa M Rashed
- Toxicology Department, Mansoura Hospital, Faculty of Medicine, Mansoura University, El-Gomhoria Street, Mansoura 35516, Egypt.
| | - Amany M A Osman
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia; Chemistry Department, Faculty of Science, Menoufia University, Shebin El-Koam, Egypt.
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2
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Latysheva AS, Zolottsev VA, Veselovsky AV, Scherbakov KA, Morozevich GE, Zhdanov DD, Novikov RA, Misharin AY. Oxazolinyl derivatives of androst-16-ene as inhibitors of CYP17A1 activity and prostate carcinoma cells proliferation: Effects of substituents in oxazolinyl moiety. J Steroid Biochem Mol Biol 2023; 230:106280. [PMID: 36870373 DOI: 10.1016/j.jsbmb.2023.106280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 03/06/2023]
Abstract
Steroid derivatives modified with nitrogen containing heterocycles are known to inhibit activity of steroidogenic enzymes, decrease proliferation of cancer cells and attract attention as promising anticancer agents. Specifically, 2'-(3β-hydroxyandrosta-5,16-dien-17-yl)-4',5'-dihydro-1',3'-oxazole 1a potently inhibited proliferation of prostate carcinoma cells. In this study we synthesized and investigated five new derivatives of 3β-hydroxyandrosta-5,16-diene comprising 4'-methyl or 4'-phenyl substituted oxazolinyl cycle 1 (b-f). Docking of compounds 1 (a-f) to CYP17A1 active site revealed that the presence of substitutents at C4' atom in oxazoline cycle, as well as C4' atom configuration, significantly affect docking poses of compounds in the complexes with enzyme. Testing of compounds 1 (a-f) as CYP17A1 inhibitors revealed that the only compound 1a, comprising unsubstituted oxazolinyl moiety, demonstrated strong inhibitory activity, while other compounds 1 (b-f) were slightly active or non active. Compounds 1 (a-f) efficiently decreased growth and proliferation of prostate carcinoma LNCaP and PC-3 cells at 96 h incubation; the effect of compound 1a was the most powerful. Compound 1a efficiently stimulated apoptosis and caused PC-3 cells death, that was demonstrated by a direct comparison of pro-apoptotic effects of compound 1a and abiraterone.
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Affiliation(s)
- Alexandra S Latysheva
- V.N. Orekhovich Institute of Biomedical Chemistry, 10, Pogodinskaya street, 119435 Moscow, Russia
| | - Vladimir A Zolottsev
- V.N. Orekhovich Institute of Biomedical Chemistry, 10, Pogodinskaya street, 119435 Moscow, Russia; RUDN University, 6, Miklukho-Maklaya street, 117198 Moscow, Russia.
| | - Alexander V Veselovsky
- V.N. Orekhovich Institute of Biomedical Chemistry, 10, Pogodinskaya street, 119435 Moscow, Russia
| | - Kirill A Scherbakov
- V.N. Orekhovich Institute of Biomedical Chemistry, 10, Pogodinskaya street, 119435 Moscow, Russia
| | - Galina E Morozevich
- V.N. Orekhovich Institute of Biomedical Chemistry, 10, Pogodinskaya street, 119435 Moscow, Russia
| | - Dmitry D Zhdanov
- V.N. Orekhovich Institute of Biomedical Chemistry, 10, Pogodinskaya street, 119435 Moscow, Russia; RUDN University, 6, Miklukho-Maklaya street, 117198 Moscow, Russia
| | - Roman A Novikov
- V.A. Engelhardt Institute of Molecular Biology RAS, 32, Vavilov street, Moscow, Russia
| | - Alexander Y Misharin
- V.N. Orekhovich Institute of Biomedical Chemistry, 10, Pogodinskaya street, 119435 Moscow, Russia
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3
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Gonzalez G, Kvasnica M, Svrčková K, Štěpánková Š, Santos JRC, Peřina M, Jorda R, Lopes SMM, Melo TMVDPE. Ring-fused 3β-acetoxyandrost-5-enes as novel neuroprotective agents with cholinesterase inhibitory properties. J Steroid Biochem Mol Biol 2023; 225:106194. [PMID: 36162631 DOI: 10.1016/j.jsbmb.2022.106194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/15/2022] [Accepted: 09/20/2022] [Indexed: 02/01/2023]
Abstract
Alzheimer´s disease (AD) is an intellectual disorder caused by organic brain damage and cerebral atrophy, characterized by the loss of memory, judgment, and abstract thinking followed by declining cognitive functions, language, and the ability to perform daily living activities. Many efforts have been made to decrease the effects of the disease but also to block the neurodegenerative process. Cholinesterase inhibitors (ChEIs) are a group of medicines that act at the neurotransmission of acetylcholine, preventing its excessive breakdown and helping to improve cognitive functions in patients with AD. In this work, 16 chiral steroids, namely ring-fused 3β-acetoxyandrost-5-ene derivatives, their precursor and two 16-dehydroprogesterone-derived dioximes, were assessed as cholinesterase inhibitors and neuroprotective agents. The results demonstrated that some of the tested steroids are cholinesterase inhibitors and the majority selective for acetylcholinesterase inhibition. Albeit, one ring-fused 3β-acetoxyandrost-5-ene containing N-methylpiperidine ring (compound 2g) demonstrated to be a selective and potent inhibitor of the butyrylcholinesterase enzyme. (S)- 4,4a,5,6,7,8-(hexahydronaphthalen-2-one)-fused 3β-acetoxyandrost-5-ene (compound 6) showed high neuroprotective effect, high ability to restore the mitochondrial membrane potential from glutamate intoxication, and dramatic improvement in cell morphology. The described results provided relevant structure-activity relationship data.
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Affiliation(s)
- Gabriel Gonzalez
- Department of Experimental Biology, Palacky University Olomouc, Faculty of Science, Šlechtitelů 27, 78371 Olomouc, Czech Republic; Department of Neurology, University Hospital Olomouc, I. P. Pavlova 6, 77520 Olomouc, Czech Republic
| | - Miroslav Kvasnica
- Laboratory of Growth Regulators, Faculty of Science, Palacký University Olomouc, and Institute of Experimental Botany of the Czech Academy of Sciences, Šlechtitelů 27, CZ-78371 Olomouc, Czech Republic
| | - Katarína Svrčková
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
| | - Šárka Štěpánková
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 53210 Pardubice, Czech Republic
| | - Joana R C Santos
- University of Coimbra, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), Department of Chemistry, 3004-535 Coimbra, Portugal
| | - Miroslav Peřina
- Department of Experimental Biology, Palacky University Olomouc, Faculty of Science, Šlechtitelů 27, 78371 Olomouc, Czech Republic
| | - Radek Jorda
- Department of Experimental Biology, Palacky University Olomouc, Faculty of Science, Šlechtitelů 27, 78371 Olomouc, Czech Republic.
| | - Susana M M Lopes
- University of Coimbra, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), Department of Chemistry, 3004-535 Coimbra, Portugal.
| | - Teresa M V D Pinho E Melo
- University of Coimbra, Coimbra Chemistry Centre-Institute of Molecular Sciences (CQC-IMS), Department of Chemistry, 3004-535 Coimbra, Portugal
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4
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Synthesis and Biological Evaluation of New Isoxazolyl Steroids as Anti-Prostate Cancer Agents. Int J Mol Sci 2022; 23:ijms232113534. [DOI: 10.3390/ijms232113534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 10/28/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022] Open
Abstract
Steroids with a nitrogen-containing heterocycle in the side chain are known as effective inhibitors of androgen signaling and/or testosterone biosynthesis, thus showing beneficial effects for the treatment of prostate cancer. In this work, a series of 3β-hydroxy-5-ene steroids, containing an isoxazole fragment in their side chain, was synthesized. The key steps included the preparation of Weinreb amide, its conversion to acetylenic ketones, and the 1,2- or 1,4-addition of hydroxylamine, depending on the solvent used. The biological activity of the obtained compounds was studied in a number of tests, including their effects on 17α-hydroxylase and 17,20-lyase activity of human CYP17A1 and the ability of selected compounds to affect the downstream androgen receptor signaling. Three derivatives diminished the transcriptional activity of androgen receptor and displayed reasonable antiproliferative activity. The candidate compound, 24j (17R)-17-((3-(2-hydroxypropan-2-yl)isoxazol-5-yl)methyl)-androst-5-en-3β-ol, suppressed the androgen receptor signaling and decreased its protein level in two prostate cancer cell lines, LNCaP and LAPC-4. Interaction of compounds with CYP17A1 and the androgen receptor was confirmed and described by molecular docking.
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Li X, Yang MX, Luo YH, Zhan HH, Chen MF, Huang YM, Liu L, Yang XM. Design, synthesis and anticancer activity of novel steroidal derivatives with D-ring fused or substituted N-heterocyclic systems. Chem Biodivers 2022; 19:e202200648. [PMID: 36043381 DOI: 10.1002/cbdv.202200648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 08/26/2022] [Indexed: 11/07/2022]
Abstract
A series of novel D-ring fused or substituted steroidal N-heterocycles were synthesized, and their chemical structures were characterized by spectroscopic analysis. The anticancer activity of these compounds against four human cancer cell lines (MCF-7, H1299, HeLa and HepG2) were evaluated and the structure-activity relationship (SAR) was also investigated. Compound 3c displayed significant inhibitory activity on the four cancer cells with IC 50 values ranging from 3.88 to 10.05 µ M. Overall, these studies indicated that construction of N-heterocyclic system with D-ring substituted containing a double bond at C-16 and C-17 or D-ring fused with [17,16-d]azolo[1,5-a]pyrimidine could be a promising strategy to improve antitumor activity for steroids deserved further investigation.
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Affiliation(s)
- Xiaosan Li
- Guangdong Medical University, school of pharmacy, Xincheng Road, 523808, Dongguan, CHINA
| | - Mao-Xun Yang
- Guangdong Medical University, college of pharmacy, Xincheng Avenue, Songshan Lake Science and Technology Industrial Park, Dongguan, 523808, Dongguan, CHINA
| | - Yu-Hao Luo
- Guangdong Medical University, college of pharmacy, Xincheng Road, 523808, dongguan, CHINA
| | - He-Hui Zhan
- Guangdong Medical University, college of pharmacy, Xincheng Road, 523808, Dongguan, CHINA
| | - Mei-Fang Chen
- Guangdong Medical University, college of pharmacy, Xincheng Road, 523808, Dongguan, CHINA
| | - Yong-Mei Huang
- Guangdong Medical University, college of pharmacy, Xincheng Road, 523808, Dongguan, CHINA
| | - Li Liu
- Guangdong Medical University, college of pharmacy, Xincheng Road, 523808, Dongguan, CHINA
| | - Xue-Mei Yang
- Guangdong Medical University, college of pharmacy, Xincheng Road, 523808, Dongguan, CHINA
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Avgeris I, Pliatsika D, Nikolaropoulos SS, Fousteris MA. Targeting androgen receptor for prostate cancer therapy: From small molecules to PROTACs. Bioorg Chem 2022; 128:106089. [PMID: 35973305 DOI: 10.1016/j.bioorg.2022.106089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/30/2022] [Accepted: 08/06/2022] [Indexed: 12/13/2022]
Abstract
Prostate cancer (PCa) remains a serious type of cancer for men worldwide. The majority of new PCa cases are associated with androgen receptor (AR) hyperactivity. Various AR-targeting molecules that suppress its activity have been discovered. In this review, we present the already marketed antiandrogens and a selection of structurally and chemically interesting AR-targeting compounds, from a pharmacochemical perspective. Focus has been placed on the applied design approaches, structural evolution and structure-activity relationships of the most prominent compound classes. Passing from the traditional steroidal AR antagonists to the modern AR-targeting proteolysis targeting chimeras (PROTACs), we intend to provide a comprehensive overview on AR-targeting molecules for PCa treatment.
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Affiliation(s)
- Ioannis Avgeris
- Laboratory of Medicinal Chemistry, Department of Pharmacy, University of Patras, Patras GR-26500, Greece
| | - Dimanthi Pliatsika
- Laboratory of Medicinal Chemistry, Department of Pharmacy, University of Patras, Patras GR-26500, Greece
| | - Sotiris S Nikolaropoulos
- Laboratory of Medicinal Chemistry, Department of Pharmacy, University of Patras, Patras GR-26500, Greece
| | - Manolis A Fousteris
- Laboratory of Medicinal Chemistry, Department of Pharmacy, University of Patras, Patras GR-26500, Greece.
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7
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Kiss MA, Peřina M, Bazgier V, May NV, Baji Á, Jorda R, Frank É. Synthesis of dihydrotestosterone derivatives modified in the A-ring with (hetero)arylidene, pyrazolo[1,5-a]pyrimidine and triazolo[1,5-a]pyrimidine moieties and their targeting of the androgen receptor in prostate cancer. J Steroid Biochem Mol Biol 2021; 211:105904. [PMID: 33933576 DOI: 10.1016/j.jsbmb.2021.105904] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/20/2021] [Accepted: 04/27/2021] [Indexed: 12/13/2022]
Abstract
One of the main directions of steroid research is the preparation of modified derivatives in which, in addition to changes in physicochemical properties, receptor binding is significantly altered, thus a bioactivity different from that of the parent compound predominates. In the frame of this work, 2-arylidene derivatives were first synthesized by regioselective modification of the A-ring of natural sex hormone, 5α-dihydrotestosterone (DHT). After Claisen-Schmidt condensations of DHT with (hetero)aromatic aldehydes in alkaline EtOH, heterocyclizations of the α,β-enones were performed with 3-amino-1,2,4-triazole, 3-aminopyrazole and 3-amino-5-methylpyrazole in the presence of t-BuOK in DMF to afford 7'-epimeric mixtures of A-ring-fused azolo-dihydropyrimidines, respectively. Depending on the electronic demand of the substituents of the arylidene moiety, spontaneous or 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ)-induced oxidation of the heteroring led to triazolo[1,5-a]pyrimidines and pyrazolo[1,5-a]pyrimidines in good yields, while, using the Jones reagent as a strong oxidant, 17-oxidation also occurred. The crystal structures of an arylidene and a triazolopyrimidine product have been determined by single crystal X-ray diffraction and both were found to crystallize in the monoclinic crystal system at P21 space group. Most derivatives were found to diminish the transcriptional activity of androgen receptor (AR) in reporter cell line. The candidate compound (17β-hydroxy-2-(4-chloro)benzylidene-5α-androstan-3-one, 2f) showed to suppress androgen-mediated AR transactivation in a dose-dependent manner. We confirmed the cellular interaction of 2f with AR, described the binding in AR-binding cavity by the flexible docking and showed the ability of the compound to suppress the expression of AR-regulated genes in two prostate cancer cell lines.
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Affiliation(s)
- Márton A Kiss
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, Szeged, H-6720, Hungary
| | - Miroslav Peřina
- Department of Experimental Biology, Faculty of Science, Palacký University Olomouc, Šlechtitelů 27, Olomouc, 78371, Czech Republic
| | - Václav Bazgier
- Department of Physical Chemistry, Faculty of Science, Palacký University Olomouc, Šlechtitelů 241/27, Olomouc, 77900, Czech Republic; Laboratory of Growth Regulators, The Czech Academy of Sciences, Institute of Experimental Botany & Palacký University, Šlechtitelů 27, Olomouc, 78371, Czech Republic
| | - Nóra V May
- Centre for Structural Science, Research Centre for Natural Sciences, Magyar tudósok körútja 2, Budapest, H-1117, Hungary
| | - Ádám Baji
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, Szeged, H-6720, Hungary
| | - Radek Jorda
- Department of Experimental Biology, Faculty of Science, Palacký University Olomouc, Šlechtitelů 27, Olomouc, 78371, Czech Republic.
| | - Éva Frank
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, Szeged, H-6720, Hungary.
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Hou Y, Shang C, Meng T, Lou W. Anticancer potential of cardiac glycosides and steroid-azole hybrids. Steroids 2021; 171:108852. [PMID: 33887267 DOI: 10.1016/j.steroids.2021.108852] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 04/03/2021] [Accepted: 04/12/2021] [Indexed: 01/03/2023]
Abstract
Steriods are well-known scaffolds that have a widespread occurrence in different compounds characterized by extensive biological properties including anticancer activity. Structural modifications on steroids always generate potential lead compounds with superior bioactivity, and creation of steroid hybrids by combining steroid with other anticancer pharmacophores in one molecule, which can exert the anticancer activity through different mechanisms, is one of the most promising strategies to enhance efficiency, overcome drug resistance and reduce side effects. Sugars and azoles, can act on diverse receptors, proteins and enzymes in cancer cells, are pharmacologically significant scaffolds in the development of novel anticancer agents. Therefore, steroid-sugar hybrids cardiac glycosides and steroid-azole hybrids are privileged scaffolds for the discovery of novel anticancer candidates. This review emphasized on the development, the structure-activity relationship and the mechanism of action of cardiac glycosides and steroid-azole hybrids with potential application for fighting against various cancers including drug-resistant forms to facilitate further rational design of novel drug candidates covering articles published between 2015 and 2020.
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Affiliation(s)
- Yani Hou
- School of Medicine, Xi'an Peihua University, Xi'an 710125, Shannxi, China
| | - Congshan Shang
- School of Medicine, Xi'an Peihua University, Xi'an 710125, Shannxi, China
| | - Tingting Meng
- School of Medicine, Xi'an Peihua University, Xi'an 710125, Shannxi, China
| | - Wei Lou
- Department of Respiratory, Zhuji Affiliated Hospital of Shaoxing University, Zhuji, China.
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9
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Lopes SMM, Santos JRC, Pinho E Melo TMVD. Reactivity of steroidal 1-azadienes toward enamines: an approach to novel chiral penta- and hexacyclic steroids. Org Biomol Chem 2021; 19:1122-1132. [PMID: 33438706 DOI: 10.1039/d0ob02344b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The chemical behavior of steroidal N-sulfonyl-1-azadienes toward carbonyl compounds, in the presence of pyrrolidine, is described. With aldehydes, these azadienes participate in hetero-Diels-Alder reactions with the in situ generated enamines. The stereoselectivity results from the approach of the dienophiles from the less hindered α-face of the steroid, with the pyrrolidine moiety endo and retention of the enamine trans geometry. This diastereoselective synthetic methodology led to a new class of chiral pentacyclic steroids. Interestingly, the studied steroidal scaffolds follow a different mechanistic pathway with cyclic ketones. They undergo a diastereoselective annulation reaction, under enamine catalysis, affording chiral hexacyclic steroids.
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Affiliation(s)
- Susana M M Lopes
- University of Coimbra, Coimbra Chemistry Centre and Department of Chemistry, 3004-535 Coimbra, Portugal.
| | - Joana R C Santos
- University of Coimbra, Coimbra Chemistry Centre and Department of Chemistry, 3004-535 Coimbra, Portugal.
| | - Teresa M V D Pinho E Melo
- University of Coimbra, Coimbra Chemistry Centre and Department of Chemistry, 3004-535 Coimbra, Portugal.
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10
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Lauro FV, Francisco DC, Marcela RN, Maria LR, Alejandra GEE, Virginia MA, Yazmin OA. Effective synthesis of a hexacyclic-steroid derivative from 4-hydroxyestrone. Steroids 2020; 163:108715. [PMID: 32853676 DOI: 10.1016/j.steroids.2020.108715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/08/2020] [Accepted: 08/17/2020] [Indexed: 11/22/2022]
Abstract
Several studies have been reported for the preparation of hexacyclic-steroid derivatives; however, some reagents are expensive and require special conditions for handling. In this way, the objective of this study was to synthesize a hexacyclic-steroid derivative from 4-hydroxyestrone. The chemical structure was evaluated through both 1H NMR and 13C NMR spectroscopic analysis. The results showed good performance of the hexacyclic-steroid derivative. In conclusion in this study, an easy method for the preparation of the hexacyclic-steroid derivative is reported.
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Affiliation(s)
- Figueroa-Valverde Lauro
- Laboratory of Pharmaco-Chemistry at the Faculty of Chemical Biological Sciences of the University Autonomous of Campeche, Av. Ex Hacienda Kalá s/n, 24085 San Francisco de Campeche, Mexico.
| | - Diaz Cedillo Francisco
- Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional, Prol. Carpio y Plan de Ayala s/n Col. Santo Tomas, Mexico, D.F. C.P. 11340, Mexico
| | - Rosas-Nexticapa Marcela
- Facultad de Nutrición, Universidad Veracruzana, Médicos y Odontólogos s/n, 91010, Xalapa, Veracruz, Mexico.
| | - Lopez-Ramos Maria
- Laboratory of Pharmaco-Chemistry at the Faculty of Chemical Biological Sciences of the University Autonomous of Campeche, Av. Ex Hacienda Kalá s/n, 24085 San Francisco de Campeche, Mexico
| | | | - Mateu-Armand Virginia
- Facultad de Nutrición, Universidad Veracruzana, Médicos y Odontólogos s/n, 91010, Xalapa, Veracruz, Mexico
| | - Ortiz-Ake Yazmin
- Laboratory of Pharmaco-Chemistry at the Faculty of Chemical Biological Sciences of the University Autonomous of Campeche, Av. Ex Hacienda Kalá s/n, 24085 San Francisco de Campeche, Mexico
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11
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Bayazeed AA, Alnoman RB. Synthesis of New Thiazole-Pyridine Hybrids and Their Anticancer Activity. RUSS J GEN CHEM+ 2020. [DOI: 10.1134/s1070363220100254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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12
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Abdel‐Latif E, Alashhab RE, El‐Demerdash A, Ismail MA. Utilization of 5‐Chloro‐2‐(cyanoacetamido)pyridines in the Synthesis of Biologically Active Heterocyclic Hybrids. ChemistrySelect 2020. [DOI: 10.1002/slct.201904051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ehab Abdel‐Latif
- Chemistry Department, Faculty of ScienceMansoura University Mansoura 35516 Egypt
| | - Rabia E. Alashhab
- Chemistry Department, Faculty of ScienceMansoura University Mansoura 35516 Egypt
| | - Amr El‐Demerdash
- Chemistry Department, Faculty of ScienceMansoura University Mansoura 35516 Egypt
| | - Mohamed A. Ismail
- Chemistry Department, Faculty of ScienceMansoura University Mansoura 35516 Egypt
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13
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Abumelha HM. Synthesis and antioxidant assay of new nicotinonitrile analogues clubbed thiazole, pyrazole and/or pyridine ring systems. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3820] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Hana M.A. Abumelha
- Department of Chemistry, Faculty of SciencePrincess Nourah Bint Abdulrahman University Riyadh Saudi Arabia
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