Synthesis, stereochemistry and cytotoxic activity of novel steroidal 16-spiro-1,3,2-dioxaphosphorinanes
► Phosphorylation reactions of 16,16-bis(hydroxymethyl)androst-4-ene-3,17-dione with different P(V) reagents were carried out. ► Novel steroidal 16-spiro dioxaphosphorinanes were synthetized. ► The stereostructures of the hetero ring were investigated by NMR measurements. ► Antiproliferative activit...
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| Veröffentlicht in: | Journal of molecular structure 2012-04, Vol.1013, p.39-44 |
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| creator | Wölfling, János Kovács-Pénzes, Piroska Zupkó, István Schneider, Gyula Frank, Éva |
| description | ► Phosphorylation reactions of 16,16-bis(hydroxymethyl)androst-4-ene-3,17-dione with different P(V) reagents were carried out. ► Novel steroidal 16-spiro dioxaphosphorinanes were synthetized. ► The stereostructures of the hetero ring were investigated by NMR measurements. ► Antiproliferative activities were determined in vitro on three malignant human cell lines.
The epimeric pairs a and b of novel steroidal 16-spiro-dioxaphosphorinanes 4–8 were synthetized via the phosphorylation of 16,16-bis(hydroxymethyl)androst-4-ene-3,17-dione (2) and their stereostructures were investigated by NMR methods. The dioxaphosphorinane moiety exists mainly as one of the possible chair conformers or as a chair–twist equilibrium in solution as a consequence of the rigidity of the sterane framework. The contributions of the conformers depend strongly on the configuration of the P atom and the stereoelectronic properties of the substituents on it. The antiproliferative activities of the structurally related products were determined in vitro with the MTT assay on three malignant human cell lines (HeLa, MCF7 and A431). |
| doi_str_mv | 10.1016/j.molstruc.2012.01.013 |
| format | Article |
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The epimeric pairs a and b of novel steroidal 16-spiro-dioxaphosphorinanes 4–8 were synthetized via the phosphorylation of 16,16-bis(hydroxymethyl)androst-4-ene-3,17-dione (2) and their stereostructures were investigated by NMR methods. The dioxaphosphorinane moiety exists mainly as one of the possible chair conformers or as a chair–twist equilibrium in solution as a consequence of the rigidity of the sterane framework. The contributions of the conformers depend strongly on the configuration of the P atom and the stereoelectronic properties of the substituents on it. The antiproliferative activities of the structurally related products were determined in vitro with the MTT assay on three malignant human cell lines (HeLa, MCF7 and A431).</description><identifier>ISSN: 0022-2860</identifier><identifier>EISSN: 1872-8014</identifier><identifier>DOI: 10.1016/j.molstruc.2012.01.013</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Antiproliferative effect ; Antiproliferatives ; Atomic properties ; Chairs ; cytotoxicity ; Dioxaphosphorinanes ; Human ; human cell lines ; Molecular structure ; nuclear magnetic resonance spectroscopy ; phosphorylation ; Phosphorylations ; Rigidity ; Spiro compounds ; Stereochemistry ; Stereostructure ; Steroids ; Synthesis</subject><ispartof>Journal of molecular structure, 2012-04, Vol.1013, p.39-44</ispartof><rights>2012 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c369t-28450233b563e8e0b58f378b8de283f7846160c0c3a73e702f20752c142fc7c13</citedby><cites>FETCH-LOGICAL-c369t-28450233b563e8e0b58f378b8de283f7846160c0c3a73e702f20752c142fc7c13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0022286012000403$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Wölfling, János</creatorcontrib><creatorcontrib>Kovács-Pénzes, Piroska</creatorcontrib><creatorcontrib>Zupkó, István</creatorcontrib><creatorcontrib>Schneider, Gyula</creatorcontrib><creatorcontrib>Frank, Éva</creatorcontrib><title>Synthesis, stereochemistry and cytotoxic activity of novel steroidal 16-spiro-1,3,2-dioxaphosphorinanes</title><title>Journal of molecular structure</title><description>► Phosphorylation reactions of 16,16-bis(hydroxymethyl)androst-4-ene-3,17-dione with different P(V) reagents were carried out. ► Novel steroidal 16-spiro dioxaphosphorinanes were synthetized. ► The stereostructures of the hetero ring were investigated by NMR measurements. ► Antiproliferative activities were determined in vitro on three malignant human cell lines.
The epimeric pairs a and b of novel steroidal 16-spiro-dioxaphosphorinanes 4–8 were synthetized via the phosphorylation of 16,16-bis(hydroxymethyl)androst-4-ene-3,17-dione (2) and their stereostructures were investigated by NMR methods. The dioxaphosphorinane moiety exists mainly as one of the possible chair conformers or as a chair–twist equilibrium in solution as a consequence of the rigidity of the sterane framework. The contributions of the conformers depend strongly on the configuration of the P atom and the stereoelectronic properties of the substituents on it. The antiproliferative activities of the structurally related products were determined in vitro with the MTT assay on three malignant human cell lines (HeLa, MCF7 and A431).</description><subject>Antiproliferative effect</subject><subject>Antiproliferatives</subject><subject>Atomic properties</subject><subject>Chairs</subject><subject>cytotoxicity</subject><subject>Dioxaphosphorinanes</subject><subject>Human</subject><subject>human cell lines</subject><subject>Molecular structure</subject><subject>nuclear magnetic resonance spectroscopy</subject><subject>phosphorylation</subject><subject>Phosphorylations</subject><subject>Rigidity</subject><subject>Spiro compounds</subject><subject>Stereochemistry</subject><subject>Stereostructure</subject><subject>Steroids</subject><subject>Synthesis</subject><issn>0022-2860</issn><issn>1872-8014</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkE9PwzAMxSMEEmPwFaBHDutwkjZNb6CJfxISB-AcZam7ZeqakWTT-u0JDM5Itnz5PdvvEXJJYUqBipvVdO26EP3WTBlQNgWaih-REZUVyyXQ4piMABjLmRRwSs5CWAEATeIRWbwNfVxisGGShYgenVni2qZ1Q6b7JjNDdNHtrcm0iXZn45C5NuvdDrsf3tlGdxkVedhY73I64ROWN9bt9WbpQmpve91jOCcnre4CXvzOMfl4uH-fPeUvr4_Ps7uX3HBRx_RhUQLjfF4KjhJhXsqWV3IuG2SSt5UsBBVgwHBdcayAtQyqkhlasNZUhvIxuT7s3Xj3ucUQVTJjsOvSE24bVDJdi6IStUyoOKDGuxA8tmrj7Vr7IUHfnFAr9Zes-k5WAU3Fk_DqIGy1U3rhbVAfbwkoU6qiFnWRiNsDgcnqzqJXwVjsDTbWo4mqcfa_I18er481</recordid><startdate>20120411</startdate><enddate>20120411</enddate><creator>Wölfling, János</creator><creator>Kovács-Pénzes, Piroska</creator><creator>Zupkó, István</creator><creator>Schneider, Gyula</creator><creator>Frank, Éva</creator><general>Elsevier B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20120411</creationdate><title>Synthesis, stereochemistry and cytotoxic activity of novel steroidal 16-spiro-1,3,2-dioxaphosphorinanes</title><author>Wölfling, János ; Kovács-Pénzes, Piroska ; Zupkó, István ; Schneider, Gyula ; Frank, Éva</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c369t-28450233b563e8e0b58f378b8de283f7846160c0c3a73e702f20752c142fc7c13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Antiproliferative effect</topic><topic>Antiproliferatives</topic><topic>Atomic properties</topic><topic>Chairs</topic><topic>cytotoxicity</topic><topic>Dioxaphosphorinanes</topic><topic>Human</topic><topic>human cell lines</topic><topic>Molecular structure</topic><topic>nuclear magnetic resonance spectroscopy</topic><topic>phosphorylation</topic><topic>Phosphorylations</topic><topic>Rigidity</topic><topic>Spiro compounds</topic><topic>Stereochemistry</topic><topic>Stereostructure</topic><topic>Steroids</topic><topic>Synthesis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wölfling, János</creatorcontrib><creatorcontrib>Kovács-Pénzes, Piroska</creatorcontrib><creatorcontrib>Zupkó, István</creatorcontrib><creatorcontrib>Schneider, Gyula</creatorcontrib><creatorcontrib>Frank, Éva</creatorcontrib><collection>AGRIS</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of molecular structure</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wölfling, János</au><au>Kovács-Pénzes, Piroska</au><au>Zupkó, István</au><au>Schneider, Gyula</au><au>Frank, Éva</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis, stereochemistry and cytotoxic activity of novel steroidal 16-spiro-1,3,2-dioxaphosphorinanes</atitle><jtitle>Journal of molecular structure</jtitle><date>2012-04-11</date><risdate>2012</risdate><volume>1013</volume><spage>39</spage><epage>44</epage><pages>39-44</pages><issn>0022-2860</issn><eissn>1872-8014</eissn><abstract>► Phosphorylation reactions of 16,16-bis(hydroxymethyl)androst-4-ene-3,17-dione with different P(V) reagents were carried out. ► Novel steroidal 16-spiro dioxaphosphorinanes were synthetized. ► The stereostructures of the hetero ring were investigated by NMR measurements. ► Antiproliferative activities were determined in vitro on three malignant human cell lines.
The epimeric pairs a and b of novel steroidal 16-spiro-dioxaphosphorinanes 4–8 were synthetized via the phosphorylation of 16,16-bis(hydroxymethyl)androst-4-ene-3,17-dione (2) and their stereostructures were investigated by NMR methods. The dioxaphosphorinane moiety exists mainly as one of the possible chair conformers or as a chair–twist equilibrium in solution as a consequence of the rigidity of the sterane framework. The contributions of the conformers depend strongly on the configuration of the P atom and the stereoelectronic properties of the substituents on it. The antiproliferative activities of the structurally related products were determined in vitro with the MTT assay on three malignant human cell lines (HeLa, MCF7 and A431).</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.molstruc.2012.01.013</doi><tpages>6</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Antiproliferative effect Antiproliferatives Atomic properties Chairs cytotoxicity Dioxaphosphorinanes Human human cell lines Molecular structure nuclear magnetic resonance spectroscopy phosphorylation Phosphorylations Rigidity Spiro compounds Stereochemistry Stereostructure Steroids Synthesis |
| title | Synthesis, stereochemistry and cytotoxic activity of novel steroidal 16-spiro-1,3,2-dioxaphosphorinanes |
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