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Volumn 46, Issue 41, 2005, Pages 7011-7014

Synthesis of oligomers including eight P-chiral centers and the construction of the 12-phosphacrown-4 skeleton

Author keywords

12 Phosphacrown 4; Chiral phosphorus atoms; Optically active oligomer; Oxidative coupling reaction

Indexed keywords

CROWN ETHER DERIVATIVE; OLIGOMER;

EID: 24344436799     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.08.039     Document Type: Article
Times cited : (35)

References (44)
  • 3
    • 0041365966 scopus 로고
    • L.E. Ernest H.W. Samuel John Wiley and Sons New York
    • For recent reviews, see: M. Farina L.E. Ernest H.W. Samuel Topics in Stereochemistry Vol. 17 1987 John Wiley and Sons New York
    • (1987) Topics in Stereochemistry , vol.17
    • Farina, M.1
  • 9
  • 32
    • 24344478989 scopus 로고    scopus 로고
    • note
    • +].
  • 33
    • 24344434349 scopus 로고    scopus 로고
    • note
    • The removal of borane from these stable compounds was not carried out, since the primary purpose of this study was to evaluate the conformational behaviors of the optically active oligomer.
  • 34
    • 24344489219 scopus 로고    scopus 로고
    • note
    • w = 0.114. CCDC-256581 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/conts/retrieving.html (or from the Cambridge Crystallographic Data Centre, 12, Union Road Cambridge CB21EZ, UK; fax: (+44) 1223 336 033; or deposit@ccdc.cam.ac.uk ).
  • 36
    • 0034616746 scopus 로고    scopus 로고
    • And several polyphosphamacrocycles have been synthesized using the appropriate templates, for example, see: A.J. Price, and P.G. Edwards Chem. Commun. 2000 899
    • (2000) Chem. Commun. , pp. 899
    • Price, A.J.1    Edwards, P.G.2
  • 41
    • 24344459267 scopus 로고    scopus 로고
    • note
    • g as the second cycle.
  • 42
    • 24344452739 scopus 로고    scopus 로고
    • note
    • The octamer (S,R,S,R,R,S,R,S)-3 exhibited decomposition at around 220°C according to the thermogravimetric analysis (TGA).
  • 43
    • 24344458729 scopus 로고    scopus 로고
    • note
    • Although a circular dichromism (CD) spectrometer is a powerful tool for the studies on the dynamics of a chiral compound in solution, compounds 1-3 do not absorb light in the appropriate UV range.
  • 44
    • 24344448847 scopus 로고    scopus 로고
    • note
    • 3): see Ref. 8. This information speculates that chiral phosphorus atoms rotate the plane of polarized light counterclockwise, and higher-order structure in the present system rotates it clockwise.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.