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Volumn 9, Issue 13, 2003, Pages 3091-3105

Cyclodextrin phosphanes as first and second coordination sphere cavitands

Author keywords

Cavitands; Cyclodextrins; Inclusion compounds; Metallocavitands; Phosphanes

Indexed keywords

ACETONITRILE; DISSOCIATION; ELECTRONS; TRANSITION METALS;

EID: 0042808679     PISSN: 09476539     EISSN: None     Source Type: Journal    
DOI: 10.1002/chem.200304806     Document Type: Article
Times cited : (48)

References (77)
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    • note
    • Some insoluble material, presumably of oligomeric nature, was also formed during this synthesis of 2a, 2b, 3a and 3b. However, this is not the case for complexes 4a, 4b, 5a, 5b and 7a, which were obtained from starting complexes containing very good leaving groups.
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    • note
    • - ion and a MeO-3 oxygen atom. Similar noncovalent aggregates are known to withstand the conditions used for this ESI-MS experiment.
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    • note
    • Coordinated MeCN molecules could not be differentiated from uncoordinated ones.
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    • 0042268719 scopus 로고    scopus 로고
    • note
    • This includes H-1, H-2, H-4, H-6, MeO-3 and MeO-6 protons. Molecular models show that coordinated MeCN molecules not entrapped inside the cavity would result in strong steric interactions with some of the MeO-6 and H-6 protons.
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    • note
    • Because of the C2 symmetry, the B and C glucose units are respectively equivalent to the E and F moities.
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    • -1].
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    • note
    • 2 and hence the corresponding activation barriers could not be determined accurately.
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    • note
    • Unlike the MeO-2 groups, the MeO-3 protons are known to point towards the cavity interior.
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    • note
    • The 2D ROESY spectrum shows NOEs between the coordinated acetonitrile protons and three H-5 (A,C,E) protons, three H-3 (B,C,D) protons as well as some MeO-3 groups. No correlation with the aromatic protons, nor with the primary OMe groups were detected.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.