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Volumn 44, Issue 8, 2011, Pages 2457-2464

Enantioselective adsorption of chiral amines on an induced helical poly(bis(4-carboxyphenoxy)phosphazene): Chiral filter effect

Author keywords

[No Author keywords available]

Indexed keywords

1-PHENYLETHYLAMINE; CHIRAL AMINES; CHIRAL FILTERS; COMPLEX SOLUTION; ENANTIOMERIC EXCESS; ENANTIOSELECTIVE ADSORPTION; EQUIMOLAR AMOUNT; HELICAL STRUCTURES; OPTICAL ACTIVITY; OPTICALLY ACTIVE; PHOSPHAZENES;

EID: 79955002700     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma200411g     Document Type: Article
Times cited : (25)

References (81)
  • 58
    • 0035781183 scopus 로고    scopus 로고
    • For reviews on helical polymers, see
    • For reviews on helical polymers, see: Nakano, T.; Okamoto, Y. Chem. Rev. 2001, 101, 4013-4038
    • (2001) Chem. Rev. , vol.101 , pp. 4013-4038
    • Nakano, T.1    Okamoto, Y.2
  • 68
    • 0033528621 scopus 로고    scopus 로고
    • A helicoidal secondary structure has been proposed for poly(organophosphazene)s bearing an optically active binaphthyl group. See:;;; Macromolecules 1998, 31, 3189-3196
    • Song, S.-C.; Lee, S. B.; Jin, J.; Sohn, Y. S. Macromolecules 1999, 32, 2188-2193 A helicoidal secondary structure has been proposed for poly(organophosphazene)s bearing an optically active binaphthyl group. See: Carriedo, G. A.; García-Alonso, F. J.; González, P. A.; García-Alvarez, J. L. Macromolecules 1998, 31, 3189-3196
    • (1999) Macromolecules , vol.32 , pp. 2188-2193
    • Song, S.-C.1    Lee, S.B.2    Jin, J.3    Sohn, Y.S.4    Carriedo, G.A.5    García-Alonso, F.J.6    González, P.A.7    García-Alvarez, J.L.8
  • 74
    • 79954996951 scopus 로고    scopus 로고
    • In the absence of 2, poly- 1L and poly- 1H showed a linear relationship in the Huggins plots, and the intrinsic viscosities ([η] (dL/g)) were 0.08 and 1.66, respectively
    • In the absence of 2, poly- 1L and poly- 1H showed a linear relationship in the Huggins plots, and the intrinsic viscosities ([η] (dL/g)) were 0.08 and 1.66, respectively.
  • 75
    • 79955030600 scopus 로고    scopus 로고
    • A possibility that poly- 1 is a dynamic helical polymer consisting of right- and left-handed helical segments separated by helical reversals (1, 11) could not be completely excluded
    • A possibility that poly- 1 is a dynamic helical polymer consisting of right- and left-handed helical segments separated by helical reversals (1, 11) could not be completely excluded.
  • 76
    • 79954992809 scopus 로고    scopus 로고
    • The viscosities of the poly- 1L - and poly- 1H -(R)- 2 complexes significantly decreased upon the addition of a small amount of the hydrochloric acid salt of (R)- 2 ([(R)- 2• HCl]/[carboxy residues of poly- 1 ] = 0.02) independent of the annealing process, indicating that the polymers are a weak polyelectrolyte in DMSO in the presence of the chiral amine
    • The viscosities of the poly- 1L - and poly- 1H -(R)- 2 complexes significantly decreased upon the addition of a small amount of the hydrochloric acid salt of (R)- 2 ([(R)- 2• HCl]/[carboxy residues of poly- 1 ] = 0.02) independent of the annealing process, indicating that the polymers are a weak polyelectrolyte in DMSO in the presence of the chiral amine.
  • 77
    • 79954989079 scopus 로고    scopus 로고
    • Poly- 1L chains were too short to observe the morphology changes by AFM (see Figure S2)
    • Poly- 1L chains were too short to observe the morphology changes by AFM (see Figure S2).
  • 78
    • 79955029073 scopus 로고    scopus 로고
    • n) of poly- 1H were estimated to be 61.4 nm and 1.6, respectively (Table 1)
    • n) of poly- 1H were estimated to be 61.4 nm and 1.6, respectively (Table 1).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.