Towards the Nature of Active Sites in Polymerization of Cyclic Esters Initiated by Aluminium Alkoxides: First Structurally Authenticated Aluminium-ε-Caprolactone Complex
The isolation and structural characterization of a methylaluminium(bisphenoxide)‐ε‐caprolactone complex is reported. While the three‐coordinate methylaluminium complex was found not to catalyze the polymerization of ε‐caprolactone, its oxygenation led to the formation of an aluminium methoxide compo...
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| Veröffentlicht in: | Macromolecular rapid communications. 2004-12, Vol.25 (23), p.1939-1942 |
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| container_end_page | 1942 |
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| container_issue | 23 |
| container_start_page | 1939 |
| container_title | Macromolecular rapid communications. |
| container_volume | 25 |
| creator | Lewiński, Janusz Horeglad, Paweł Tratkiewicz, Ewa Grzenda, Wojciech Lipkowski, Janusz Kolodziejczyk, Edyta |
| description | The isolation and structural characterization of a methylaluminium(bisphenoxide)‐ε‐caprolactone complex is reported. While the three‐coordinate methylaluminium complex was found not to catalyze the polymerization of ε‐caprolactone, its oxygenation led to the formation of an aluminium methoxide compound, which appeared to be a very good initiator. The relative propensity of the AlX bonds for monomer insertion in the initial step of polymerization is also discussed.
Structure of the methylaluminium(bisphenoxide)‐ε‐caprolactone complex reported here. |
| doi_str_mv | 10.1002/marc.200400412 |
| format | Article |
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Structure of the methylaluminium(bisphenoxide)‐ε‐caprolactone complex reported here.</description><subject>alkoxides</subject><subject>aluminium</subject><subject>polycaprolactones</subject><subject>polyesters</subject><subject>ring-opening polymerization</subject><issn>1022-1336</issn><issn>1521-3927</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKxDAUhosoeN26zgt0PEl6mbobijfQ8TaiuAlpmsFo2gxJqlMfyb2v4TOZcWRwJxw4_-L_zoEvivYxDDAAOWi4FQMCkITBZC3awinBMS1Ivh4yEBJjSrPNaNu5ZwAYJkC2oo-JeeO2dsg_STTmvrMSmSkaCa9eJbpVXjqkWnRldN9Iq965V6ZdNMpeaCXQkfPSOnTWKq-4lzWqejTSXaNa1TUhvZi5qqU7RMfKOo9uve1EeMK1Dr0uPG29Ej_gioq_PuOSz6zRXHjTSlSaZqblfDfamHLt5N7v3onujo8m5Wl8fnlyVo7OY0GznMRZVWNS1FWeFEVNq3QKCU8qyfGQEpwGMyKkpAI6hCIBznFGBMFU1nUGFUhKd6LB8q6wxjkrp2xmVZDbMwxsYZotTLOV6QAUS-BNadn_02YXo5vyLxsvWRVEzlcsty8sy2mesvvxCXt4vH58AJIyQr8B_AGV9A</recordid><startdate>20041203</startdate><enddate>20041203</enddate><creator>Lewiński, Janusz</creator><creator>Horeglad, Paweł</creator><creator>Tratkiewicz, Ewa</creator><creator>Grzenda, Wojciech</creator><creator>Lipkowski, Janusz</creator><creator>Kolodziejczyk, Edyta</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20041203</creationdate><title>Towards the Nature of Active Sites in Polymerization of Cyclic Esters Initiated by Aluminium Alkoxides: First Structurally Authenticated Aluminium-ε-Caprolactone Complex</title><author>Lewiński, Janusz ; Horeglad, Paweł ; Tratkiewicz, Ewa ; Grzenda, Wojciech ; Lipkowski, Janusz ; Kolodziejczyk, Edyta</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3672-6bd129db7499d3b5f04a4bea183215412c1834b0380940aa162c213edd60b0e33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>alkoxides</topic><topic>aluminium</topic><topic>polycaprolactones</topic><topic>polyesters</topic><topic>ring-opening polymerization</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lewiński, Janusz</creatorcontrib><creatorcontrib>Horeglad, Paweł</creatorcontrib><creatorcontrib>Tratkiewicz, Ewa</creatorcontrib><creatorcontrib>Grzenda, Wojciech</creatorcontrib><creatorcontrib>Lipkowski, Janusz</creatorcontrib><creatorcontrib>Kolodziejczyk, Edyta</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><jtitle>Macromolecular rapid communications.</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lewiński, Janusz</au><au>Horeglad, Paweł</au><au>Tratkiewicz, Ewa</au><au>Grzenda, Wojciech</au><au>Lipkowski, Janusz</au><au>Kolodziejczyk, Edyta</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Towards the Nature of Active Sites in Polymerization of Cyclic Esters Initiated by Aluminium Alkoxides: First Structurally Authenticated Aluminium-ε-Caprolactone Complex</atitle><jtitle>Macromolecular rapid communications.</jtitle><addtitle>Macromol. Rapid Commun</addtitle><date>2004-12-03</date><risdate>2004</risdate><volume>25</volume><issue>23</issue><spage>1939</spage><epage>1942</epage><pages>1939-1942</pages><issn>1022-1336</issn><eissn>1521-3927</eissn><abstract>The isolation and structural characterization of a methylaluminium(bisphenoxide)‐ε‐caprolactone complex is reported. While the three‐coordinate methylaluminium complex was found not to catalyze the polymerization of ε‐caprolactone, its oxygenation led to the formation of an aluminium methoxide compound, which appeared to be a very good initiator. The relative propensity of the AlX bonds for monomer insertion in the initial step of polymerization is also discussed.
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| ispartof | Macromolecular rapid communications., 2004-12, Vol.25 (23), p.1939-1942 |
| issn | 1022-1336 1521-3927 |
| language | eng |
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| source | Access via Wiley Online Library |
| subjects | alkoxides aluminium polycaprolactones polyesters ring-opening polymerization |
| title | Towards the Nature of Active Sites in Polymerization of Cyclic Esters Initiated by Aluminium Alkoxides: First Structurally Authenticated Aluminium-ε-Caprolactone Complex |
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