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Mixed cobalt(III) complexes with aromatic amino acids and diamine. Part IV. Influence of noncovalent intraand interligand interactions on rotamer population of the S-phenylalaninato and S-tyrosinato side groups in (1,2-diaminoethane)bis(S-aminocarboxylato)cobalt(III) complexes

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Authors
Miodragović, Đenana
Milosavljević, Slobodan
Malinar, Mijat J
Ćelap, Milenko B
Todorović, Nina
Juranić, Nenad
Article (Published version)
,
Taylor & Francis
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Abstract
Rotamer population of S -tyrosinato and S -phenylalaninato ligands side groups in diastereomers of (1,2-diaminoethane) bis ( S -aminocarboxylato)cobalt(III) complexes is calculated by vicinal and proton coupling constant analysis. The effect of noncovalent intra- and interligand interactions on the population of rotamers in D 2 O solution is discussed. It has been established that in all the complexes investigated the most abundant is rotamer t , in which aromatic voluminous moiety and carboxylic group are in an anti position. In almost all complexes the lowest content is of rotamer g , in which these two groups are in the nearest position. Relatively high population of rotamer h in complex 5 tyr , in spite of high steric hindrances, is due to intra- and interligand NH interactions.
Keywords:
Cobalt(III) Complex Diastereomers / Conformational Analysis / NMR / Nh…π Interactions / S -phenylalanine / S -tyrosine
Source:
Enantiomer, 2002, 7, 6, 375-382
Publisher:
  • Taylor & Francis

DOI: 10.1080/10242430215714

ISSN: 1024-2430

PubMed: 12643314

WoS: 000180895200011

[ Google Scholar ]
6
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/3998
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Miodragović, Đenana
AU  - Milosavljević, Slobodan
AU  - Malinar, Mijat J
AU  - Ćelap, Milenko B
AU  - Todorović, Nina
AU  - Juranić, Nenad
PY  - 2002
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3998
AB  - Rotamer population of S -tyrosinato and S -phenylalaninato ligands side groups in diastereomers of (1,2-diaminoethane) bis ( S -aminocarboxylato)cobalt(III) complexes is calculated by vicinal and proton coupling constant analysis. The effect of noncovalent intra- and interligand interactions on the population of rotamers in D 2 O solution is discussed. It has been established that in all the complexes investigated the most abundant is rotamer t , in which aromatic voluminous moiety and carboxylic group are in an anti position. In almost all complexes the lowest content is of rotamer g , in which these two groups are in the nearest position. Relatively high population of rotamer h in complex 5 tyr , in spite of high steric hindrances, is due to intra- and interligand NH interactions.
PB  - Taylor & Francis
T2  - Enantiomer
T1  - Mixed cobalt(III) complexes with aromatic amino acids and diamine. Part IV. Influence of noncovalent intraand interligand interactions on rotamer population of the S-phenylalaninato and S-tyrosinato side groups in (1,2-diaminoethane)bis(S-aminocarboxylato)cobalt(III) complexes
VL  - 7
IS  - 6
SP  - 375
EP  - 382
DO  - 10.1080/10242430215714
ER  - 
@article{
author = "Miodragović, Đenana and Milosavljević, Slobodan and Malinar, Mijat J and Ćelap, Milenko B and Todorović, Nina and Juranić, Nenad",
year = "2002",
abstract = "Rotamer population of S -tyrosinato and S -phenylalaninato ligands side groups in diastereomers of (1,2-diaminoethane) bis ( S -aminocarboxylato)cobalt(III) complexes is calculated by vicinal and proton coupling constant analysis. The effect of noncovalent intra- and interligand interactions on the population of rotamers in D 2 O solution is discussed. It has been established that in all the complexes investigated the most abundant is rotamer t , in which aromatic voluminous moiety and carboxylic group are in an anti position. In almost all complexes the lowest content is of rotamer g , in which these two groups are in the nearest position. Relatively high population of rotamer h in complex 5 tyr , in spite of high steric hindrances, is due to intra- and interligand NH interactions.",
publisher = "Taylor & Francis",
journal = "Enantiomer",
title = "Mixed cobalt(III) complexes with aromatic amino acids and diamine. Part IV. Influence of noncovalent intraand interligand interactions on rotamer population of the S-phenylalaninato and S-tyrosinato side groups in (1,2-diaminoethane)bis(S-aminocarboxylato)cobalt(III) complexes",
volume = "7",
number = "6",
pages = "375-382",
doi = "10.1080/10242430215714"
}
Miodragović, Đ., Milosavljević, S., Malinar, M. J., Ćelap, M. B., Todorović, N.,& Juranić, N.. (2002). Mixed cobalt(III) complexes with aromatic amino acids and diamine. Part IV. Influence of noncovalent intraand interligand interactions on rotamer population of the S-phenylalaninato and S-tyrosinato side groups in (1,2-diaminoethane)bis(S-aminocarboxylato)cobalt(III) complexes. in Enantiomer
Taylor & Francis., 7(6), 375-382.
https://doi.org/10.1080/10242430215714
Miodragović Đ, Milosavljević S, Malinar MJ, Ćelap MB, Todorović N, Juranić N. Mixed cobalt(III) complexes with aromatic amino acids and diamine. Part IV. Influence of noncovalent intraand interligand interactions on rotamer population of the S-phenylalaninato and S-tyrosinato side groups in (1,2-diaminoethane)bis(S-aminocarboxylato)cobalt(III) complexes. in Enantiomer. 2002;7(6):375-382.
doi:10.1080/10242430215714 .
Miodragović, Đenana, Milosavljević, Slobodan, Malinar, Mijat J, Ćelap, Milenko B, Todorović, Nina, Juranić, Nenad, "Mixed cobalt(III) complexes with aromatic amino acids and diamine. Part IV. Influence of noncovalent intraand interligand interactions on rotamer population of the S-phenylalaninato and S-tyrosinato side groups in (1,2-diaminoethane)bis(S-aminocarboxylato)cobalt(III) complexes" in Enantiomer, 7, no. 6 (2002):375-382,
https://doi.org/10.1080/10242430215714 . .

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