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Volumn 31, Issue 10, 1998, Pages 3388-3390

Living polymerization of tert-butyl 4-vinylbenzoate by the SmI2/SmI3 system

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EID: 0000329909     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma971828h     Document Type: Article
Times cited : (5)

References (25)
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    • note
    • 2 gave the corresponding dimerized product in 52% isolated yield. See ref 11.
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    • For recent examples for the use of divalent samarium complexes as polymerization catalysts, see: (a) Yasuda, H.; Yamamoto, H.; Yamashita, M.; Yokota, K.; Nakamura, A.; Miyake, S.; Kai, Y.; Kanehisa, N. Macromolecules 1993, 26, 7134. (b) Evans, W. J.; Katsumata, H. Macromolecules 1994, 27, 4011. (c) Nakayama, Y.; Shibahara, T.; Fukumoti, H.; Nakamura, A.; Mashima, K. Macromolecules 1996, 29, 8014. (d) Nomura, R.; Narita, M.; Endo, T. Macromolecules 1996, 29, 3669. (e) Wang, J.; Nomura, R.; Endo, T. Macromolecules 1996, 29, 2707. (f) Boffa, L. S.; Novak, B. M. Macromolecules 1997, 30, 3494. (g) Boffa, L. S.; Novak, B. M. Tetrahedron 1997, 53, 15367.
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    • For recent examples for the use of divalent samarium complexes as polymerization catalysts, see: (a) Yasuda, H.; Yamamoto, H.; Yamashita, M.; Yokota, K.; Nakamura, A.; Miyake, S.; Kai, Y.; Kanehisa, N. Macromolecules 1993, 26, 7134. (b) Evans, W. J.; Katsumata, H. Macromolecules 1994, 27, 4011. (c) Nakayama, Y.; Shibahara, T.; Fukumoti, H.; Nakamura, A.; Mashima, K. Macromolecules 1996, 29, 8014. (d) Nomura, R.; Narita, M.; Endo, T. Macromolecules 1996, 29, 3669. (e) Wang, J.; Nomura, R.; Endo, T. Macromolecules 1996, 29, 2707. (f) Boffa, L. S.; Novak, B. M. Macromolecules 1997, 30, 3494. (g) Boffa, L. S.; Novak, B. M. Tetrahedron 1997, 53, 15367.
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    • For recent examples for the use of divalent samarium complexes as polymerization catalysts, see: (a) Yasuda, H.; Yamamoto, H.; Yamashita, M.; Yokota, K.; Nakamura, A.; Miyake, S.; Kai, Y.; Kanehisa, N. Macromolecules 1993, 26, 7134. (b) Evans, W. J.; Katsumata, H. Macromolecules 1994, 27, 4011. (c) Nakayama, Y.; Shibahara, T.; Fukumoti, H.; Nakamura, A.; Mashima, K. Macromolecules 1996, 29, 8014. (d) Nomura, R.; Narita, M.; Endo, T. Macromolecules 1996, 29, 3669. (e) Wang, J.; Nomura, R.; Endo, T. Macromolecules 1996, 29, 2707. (f) Boffa, L. S.; Novak, B. M. Macromolecules 1997, 30, 3494. (g) Boffa, L. S.; Novak, B. M. Tetrahedron 1997, 53, 15367.
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    • note
    • 2 (2 mL, 0.2 mmol) and HMPA (0.2 mL, 1.2 mmol) was added 1 (1.49 mmol), and the solution was kept stirring at -40 °C for 24 h. After pouring into methanol, the precipitate was collected and dried in vacuo to give the polymer.
  • 23
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    • note
    • 1H NMR analysis indicated that the stereoregularity of the obtained polymer was atactic.
  • 24
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    • note
    • 3 gave no polymer, and the monomer was recovered, although smooth oxidation of Sm(II) into Sm(III) was confirmed by the color change of the solution.


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