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Synthesis, Characterization, and Modification of Hyperbranched Poly(arylene oxindoles) with a Degree of Branching of 100 %

2002; Wiley; Volume: 41; Issue: 23 Linguagem: Inglês

10.1002/1521-3773(20021202)41

1521-3773

Mario Smet, Etienne Schacht, Wim Dehaen,

Synthetic Organic Chemistry Methods

Angewandte Chemie International EditionVolume 41, Issue 23 p. 4547-4550 Communication Synthesis, Characterization, and Modification of Hyperbranched Poly(arylene oxindoles) with a Degree of Branching of 100 %† Mario Smet Dr., Mario Smet Dr. [email protected] Department of Chemistry University of Leuven Celestijnenlaan 200F, 3001 Heverlee, Leuven, Belgium, Fax: (+32) 16–327–990Search for more papers by this authorEtienne Schacht Prof., Etienne Schacht Prof. Department of Chemistry University of Ghent Krijgslaan 281 (S4), 9000 Ghent, BelgiumSearch for more papers by this authorWim Dehaen Prof., Wim Dehaen Prof. Department of Chemistry University of Leuven Celestijnenlaan 200F, 3001 Heverlee, Leuven, Belgium, Fax: (+32) 16–327–990Search for more papers by this author Mario Smet Dr., Mario Smet Dr. [email protected] Department of Chemistry University of Leuven Celestijnenlaan 200F, 3001 Heverlee, Leuven, Belgium, Fax: (+32) 16–327–990Search for more papers by this authorEtienne Schacht Prof., Etienne Schacht Prof. Department of Chemistry University of Ghent Krijgslaan 281 (S4), 9000 Ghent, BelgiumSearch for more papers by this authorWim Dehaen Prof., Wim Dehaen Prof. Department of Chemistry University of Leuven Celestijnenlaan 200F, 3001 Heverlee, Leuven, Belgium, Fax: (+32) 16–327–990Search for more papers by this author First published: 27 November 2002 https://doi.org/10.1002/1521-3773(20021202)41:23 3.0.CO;2-ACitations: 79 † This work was supported by the University of Leuven, the Ministerie voor Wetenschapsbeleid and the FWO-Vlaanderen. M.S. thanks the FWO Vlaanderen for a postdoctoral fellowship. Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Graphical Abstract Excellent thermal stability and a relatively high glass-transition temperature are exhibited by the hyperbranched poly(arylene oxindoles), which were prepared by an acid-catalyzed polycondensation of the substituted isatine 1. The polymers thus obtained can also be readily functionalized further. Supporting Information Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2002/z50010_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article. References 1 1aY. H. Kim, J. Polym. Sci. Polym. Chem. Ed. 1998, 36, 1685–1698; 1bB. I. Voit, J. Polym. Sci. Part A: Polym. Chem. 2000, 38, 2505; M. Jikei, M. Kakimoto, Progr. Polym. Sci. 2001, 26, 1233–1285. 2 2aK. Yamanaka, M. Jikei, M. Kakimoto, Macromolecules 2001, 34, 3910–3915; 2bR. Haag, A. Sunder, J. F. Stumbé, J. Am. Chem. Soc. 2000, 122, 2954–2955; 2cC. Lach, H. Frey, Macromolecules 1998, 31, 2381–2383. 3J. L. Hobson, W. J. Feast, Polymer 1999, 40, 1279–1297. 4 4aG. Maier, C. Zech, B. Voit, H. Komber, Macromol. Chem. Phys. 1998, 199, 2655–2664; 4bG. Maier, C. Zech, B. Voit, H. Komber, Macromol. Symp. 2001, 163, 75–86. 5D. A. Klumpp, K. Y. Yeung, G. K. Surya Prakash, G. A. Olah, J. Org. Chem. 1998, 63, 4481–4484. 6H. M. Colquhoun, M. G. Zolotukhin, Macromolecules 2001, 34, 1122–1124. 7 7aW. Borsche, W. Jacobs, Chem. Ber. 1914, 47, 354–363; 7bA. Stankevicius, L. Mazilis, V. Garaliene, S. Riselis, M. Sapragoniene, L. Dzekciorius, Khim.-Farm. Zh. 1981, 15, 31–34. 8= where T is the number of terminal units, D the number of dendritic units, and n the degree of polymerization. This equation is readily derived by observing the obvious facts that T=D+1 and n=T+D. Citing Literature Volume41, Issue23December 2, 2002Pages 4547-4550 ReferencesRelatedInformation