Search results for "Association model"

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Supramolecular Adducts of Ferrocene and Five Bile Acid Derived Triolides

1997

Formation of supramolecular adducts of ferrocene (guest) and cyclic head-to-tail trimers (hosts) derived from bile acid: 3α-hydroxy-5β-cholan-24-oic acid triolide (1), 3α-hydroxy-7-oxo-5β-cholan-24-oic acid triolide (2), 3α-hydroxy-12-oxo-5β-cholan-24-oic acid triolide (3), 3α-hydroxy-7α-trifluoroacetoxy-6β-cholan-24-oic acid triolide (4) and 3α-hydroxy-12α-TFA-5β-cholan-24-oic acid triolide (5) (TFA = trifluoroacetoxy) have been studied by 1H NMR. The best computer-assisted data fitting on the 1H-NMR chemical shift data was given by a 1:2 (guest/host) association model. The association constants vary in the range 170–990 M−1, 7-oxo-substituted triolide 2 and 12α-TFA triolide 5 showing the …

Bile acidChemistrymedicine.drug_classStereochemistryOrganic ChemistryAssociation modelSupramolecular chemistryGeneral ChemistryAdductchemistry.chemical_compoundFerroceneProton NMRmedicinePhysical and Theoretical ChemistryLiebigs Annalen

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PEPhysical Sciences and Engineering
- PE2Fundamental Constituents of Matter
  - PE2_1Theory of fundamental interactions
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  - PE2_3Experimental particle physics with accelerators
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  - PE2_6Nuclear, hadron and heavy ion physics
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  - PE2_7Nuclear and particle astrophysics
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  - PE2_10Atomic, molecular physics
  - PE2_11Ultra-cold atoms and molecules
  - PE2_18Equilibrium and non-equilibrium statistical mechanics: steady states and dynamics
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- PE1Mathematics
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  - PE11_12Semi-conducting and magnetic materials engineering
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LSLife Sciences
- LS1Molecules of Life: Biological Mechanisms, Structures and Functions
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- LS2Integrative Biology: from Genes and Genomes to Systems
  - LS2_1Genetics
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  - LS4_1Organ and tissue physiology and pathophysiology
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  - LS3_17Theoretical modelling in cellular, developmental and regenerative biology
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SHSocial Sciences and Humanities
- SH2Institutions, Governance and Legal Systems
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