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13C and15N-chemical shift anisotropy of ampicillin and penicillin-V studied by 2D-PASS and CP/MAS NMR
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.ORCID iD: 0000-0003-1067-7990
Stockholm University.
Stockholm University.
1998 (English)In: Journal of magnetic resonance, ISSN 1090-7807, E-ISSN 1096-0856, Vol. 135, no 1, p. 144-155Article in journal (Refereed) Published
Abstract [en]

The principal values of the chemical shift tensors of all13C and15N sites in two antibiotics, ampicillin and penicillin-V, were determined by 2-dimensionalphaseadjustedspinningsideband (2D-PASS) and conventional CP/MAS experiments. The13C and15N chemical shift anisotropies (CSA), and their confidence limits, were evaluated using a Mathematica program. The CSA values suggest a revised assignment of the 2-methyl13C sites in the case of ampicillin. We speculate on a relationship between the chemical shift principal values of many of the13C and15N sites and the β-lactam ring conformation

Place, publisher, year, edition, pages
1998. Vol. 135, no 1, p. 144-155
National Category
Physical Chemistry
Research subject
Chemistry of Interfaces
Identifiers
URN: urn:nbn:se:ltu:diva-13652DOI: 10.1006/jmre.1998.1576ISI: 000076903600022Local ID: ce755f90-bd9f-11db-9be7-000ea68e967bOAI: oai:DiVA.org:ltu-13652DiVA, id: diva2:986605
Note
Godkänd; 1998; 20070216 (bajo)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Antzutkin, Oleg

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