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Volumn 45, Issue 48, 2006, Pages 8173-8176

Control of main-chain stiffness of a helical poly(phenylacetylene) by switching on and off the intramolecular hydrogen bonding through macromolecular helicity inversion

Author keywords

Helical structures; Helix inversion; Hydrogen bonds; Liquid crystals; Poly(phenylacetylene)s

Indexed keywords

HYDROGEN BONDS; POLYMERS; SOLVENTS; STIFFNESS;

EID: 33845738384     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200603663     Document Type: Article
Times cited : (125)

References (43)
  • 16
    • 0035886802 scopus 로고    scopus 로고
    • For intramolecular hydrogen-bond-stabilized helix formation of foldamers, see: d) B. Gong, Chem. Eur. J. 2001, 7, 4336-4342;
    • (2001) Chem. Eur. J. , vol.7 , pp. 4336-4342
    • Gong, B.1
  • 24
    • 33646540522 scopus 로고    scopus 로고
    • Angew. Chem. Int. Ed. 2006, 45, 1245-1248.
    • (2006) Angew. Chem. Int. Ed. , vol.45 , pp. 1245-1248
  • 25
    • 33845737492 scopus 로고    scopus 로고
    • note
    • 4 and 2.12, respectively, as estimated by SEC.
  • 26
    • 33845793983 scopus 로고    scopus 로고
    • note
    • [6c,13]
  • 31
    • 33845737881 scopus 로고    scopus 로고
    • note
    • No indication of hydrogen bonding was observed for the monomer L-1 in solution independent of the solvent polarity (see the Supporting Information).
  • 32
    • 33845803724 scopus 로고    scopus 로고
    • note
    • The persistence length q, a parameter of this model, is a useful measure to evaluate the stiffness of rodlike polymers, but only a limited number of q values have been determined for helical polymers. See Refs. [6b] and [7].
  • 35
    • 33845753020 scopus 로고    scopus 로고
    • note
    • [19]
  • 40
    • 33845750168 scopus 로고    scopus 로고
    • note
    • [20] However, importantly, poly-L-1 undergoes the helix-to-helix transition during the change in the main-chain stiffness.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.