Stimuli-responsive hybrid macromolecules: Novel amphiphilic star copolymers with dendritic groups at the periphery

Journal of the American Chemical Society

Volumn 118, Issue 15, 1996, Pages 3785-3786

  Gitsov, Ivan ^a   Fréchet, Jean M J ^a  

^a Department of Population Medicine and Diagnostic Sciences   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COPOLYMER;

ARTICLE; DRUG STRUCTURE; DRUG SYNTHESIS; NUCLEAR MAGNETIC RESONANCE;

EID: 0029953311     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja9542348     Document Type: Article

References (20)

1. For some recent publications on stimuli-responsive polymers and macromolecules, see for example, the following reviews and books: Moffitt, M., Khougaz, K.; Eisenberg, A. Acc. Chem. Res. 1996, 29, 95. Hoffman, A S Macromol. Symp. 1995, 98, 645. Reversible Polymeric Gels and Related Systems; Russo, P. S., ed.; ACS Symposium Series 350; American Chemical Society; Washington, DC, 1987. Articles: Janout, V; Lanier, M.; Regen, S. L. J. Am. Chem. Soc. 1996, 118, 1573. Desjardin, A.; van der Ven, T. G. M.; Eisenberg, A. Macromolecules 1992, 25, 2412.
2. For some recent publications on stimuli-responsive polymers and macromolecules, see for example, the following reviews and books: Moffitt, M., Khougaz, K.; Eisenberg, A. Acc. Chem. Res. 1996, 29, 95. Hoffman, A S Macromol. Symp. 1995, 98, 645. Reversible Polymeric Gels and Related Systems; Russo, P. S., ed.; ACS Symposium Series 350; American Chemical Society; Washington, DC, 1987. Articles: Janout, V; Lanier, M.; Regen, S. L. J. Am. Chem. Soc. 1996, 118, 1573. Desjardin, A.; van der Ven, T. G. M.; Eisenberg, A. Macromolecules 1992, 25, 2412.
3. For some recent publications on stimuli-responsive polymers and macromolecules, see for example, the following reviews and books: Moffitt, M., Khougaz, K.; Eisenberg, A. Acc. Chem. Res. 1996, 29, 95. Hoffman, A S Macromol. Symp. 1995, 98, 645. Reversible Polymeric Gels and Related Systems; Russo, P. S., ed.; ACS Symposium Series 350; American Chemical Society; Washington, DC, 1987. Articles: Janout, V; Lanier, M.; Regen, S. L. J. Am. Chem. Soc. 1996, 118, 1573. Desjardin, A.; van der Ven, T. G. M.; Eisenberg, A. Macromolecules 1992, 25, 2412.
4. For some recent publications on stimuli-responsive polymers and macromolecules, see for example, the following reviews and books: Moffitt, M., Khougaz, K.; Eisenberg, A. Acc. Chem. Res. 1996, 29, 95. Hoffman, A S Macromol. Symp. 1995, 98, 645. Reversible Polymeric Gels and Related Systems; Russo, P. S., ed.; ACS Symposium Series 350; American Chemical Society; Washington, DC, 1987. Articles: Janout, V; Lanier, M.; Regen, S. L. J. Am. Chem. Soc. 1996, 118, 1573. Desjardin, A.; van der Ven, T. G. M.; Eisenberg, A. Macromolecules 1992, 25, 2412.
5. For some recent publications on stimuli-responsive polymers and macromolecules, see for example, the following reviews and books: Moffitt, M., Khougaz, K.; Eisenberg, A. Acc. Chem. Res. 1996, 29, 95. Hoffman, A S Macromol. Symp. 1995, 98, 645. Reversible Polymeric Gels and Related Systems; Russo, P. S., ed.; ACS Symposium Series 350; American Chemical Society; Washington, DC, 1987. Articles: Janout, V; Lanier, M.; Regen, S. L. J. Am. Chem. Soc. 1996, 118, 1573. Desjardin, A.; van der Ven, T. G. M.; Eisenberg, A. Macromolecules 1992, 25, 2412.
6. Halperin, A. Macromolecules 1991, 24, 1418. Ibid. 1989, 22, 3806.
7. Halperin, A. Macromolecules 1991, 24, 1418. Ibid. 1989, 22, 3806.
8. Pitsikalis, M.; Hadjichristidis, N.; Mays, J. W. Macromolecules 1996, 29, 179 and references therein.
9. Kim, Y. H, Webster, O. Macromolecules 1992, 25, 5561.
10. Warakomski, J. M. Chem. Mater 1992, 4, 1000.
11. Roovers J.; Zhou, L.-L.; Toporowski, P. M.; Zwan, M. v. d.; Iatrou, H; Hadjichristidis, N. Macromolecules 1993, 26, 4324.
12. Hawker, C. J.; Fréchet, J. M. J. J. Am. Chem. Soc. 1990, 112, 7638.
13. Fréchet, J. M. J. Science 1994, 263, 1710.
14. Gitsov, I.; Wooley, K L.; Fréchet, J M J. Angew. Chem., Int. Ed. Engl. 1992, 31, 1200. Gitsov, I; Wooley, K. L.; Hawker, C J.; Tvanova, P. T, Fréchet, J. M. J. Macromolecules 1993, 26, 5621. Gitsov, I; Fréchet, J. M J Macromolecules 1993, 26, 6536
15. Gitsov, I.; Wooley, K L.; Fréchet, J M J. Angew. Chem., Int. Ed. Engl. 1992, 31, 1200. Gitsov, I; Wooley, K. L.; Hawker, C J.; Tvanova, P. T, Fréchet, J. M. J. Macromolecules 1993, 26, 5621. Gitsov, I; Fréchet, J. M J Macromolecules 1993, 26, 6536
16. Gitsov, I.; Wooley, K L.; Fréchet, J M J. Angew. Chem., Int. Ed. Engl. 1992, 31, 1200. Gitsov, I; Wooley, K. L.; Hawker, C J.; Tvanova, P. T, Fréchet, J. M. J. Macromolecules 1993, 26, 5621. Gitsov, I; Fréchet, J. M J Macromolecules 1993, 26, 6536
17. 7 The four-arm star poly(ethylene glycol) with nominal molecular weight 15 000, 4SI5k, having pentaerithritol core, was obtained from Shearwater Polymers, Inc, Tetrahydrofuran (THF, Aldrich) was dried over sodium wire and distilled prior to use. NaH (95%, Aldrich) was used without purification.
18. 2O). 101.31, 101.57, 105.76, 106.33 (ArC), 127 51, 128.00, 128.63 (PhCH), 136.74, 137 29, 143.41, 160.09, 160.17 (PhC + ArC).
19. Thermal analyses were performed on a Seiko SSC 5200 differential scanning calorimeter at a heating rate of 10°C/min.
20. 1H-NMR studies were performed on a Bruker WM 300 (300 MHz) in deuterated chloroform, methanol, and THF at room temperature The proton signals of the solvents were used as internal standards