Gerothanassis IP - Search Results

1

Solvent-Dependent Structures of Natural Products Based on the Combined Use of DFT Calculations and ¹H-NMR Chemical Shifts.

Mari SH, Varras PC; Atia-tul-Wahab; Choudhary IM, Siskos MG, Gerothanassis IP. Mari SH, et al. Among authors: gerothanassis ip. Molecules. 2019 Jun 20;24(12):2290. doi: 10.3390/molecules24122290. Molecules. 2019. PMID: 31226776 Free PMC article.

2

Solvation properties of N-substituted cis and trans amides are not identical: significant enthalpy and entropy changes are revealed by the use of variable temperature 1H NMR in aqueous and chloroform solutions and ab initio calculations.

Troganis AN, Sicilia E, Barbarossou K, Gerothanassis IP, Russo N. Troganis AN, et al. Among authors: gerothanassis ip. J Phys Chem A. 2005 Dec 29;109(51):11878-84. doi: 10.1021/jp0537557. J Phys Chem A. 2005. PMID: 16366639

3

1H NMR determination of hypericin and pseudohypericin in complex natural mixtures by the use of strongly deshielded OH groups.

Tatsis EC, Exarchou V, Troganis AN, Gerothanassis IP. Tatsis EC, et al. Among authors: gerothanassis ip. Anal Chim Acta. 2008 Jan 28;607(2):219-26. doi: 10.1016/j.aca.2007.11.040. Epub 2007 Dec 3. Anal Chim Acta. 2008. PMID: 18190811

4

Exploring the "forgotten"-OH NMR spectral region in natural products.

Charisiadis P, Exarchou V, Troganis AN, Gerothanassis IP. Charisiadis P, et al. Among authors: gerothanassis ip. Chem Commun (Camb). 2010 May 28;46(20):3589-91. doi: 10.1039/b927256a. Epub 2010 Apr 7. Chem Commun (Camb). 2010. PMID: 20376399

5

Novel determination of the total phenolic content in crude plant extracts by the use of 1H NMR of the -OH spectral region.

Nerantzaki AA, Tsiafoulis CG, Charisiadis P, Kontogianni VG, Gerothanassis IP. Nerantzaki AA, et al. Among authors: gerothanassis ip. Anal Chim Acta. 2011 Feb 28;688(1):54-60. doi: 10.1016/j.aca.2010.12.027. Epub 2010 Dec 23. Anal Chim Acta. 2011. PMID: 21296205

6

Investigation of solute-solvent interactions in phenol compounds: accurate ab initio calculations of solvent effects on 1H NMR chemical shifts.

Siskos MG, Kontogianni VG, Tsiafoulis CG, Tzakos AG, Gerothanassis IP. Siskos MG, et al. Among authors: gerothanassis ip. Org Biomol Chem. 2013 Nov 14;11(42):7400-11. doi: 10.1039/c3ob41556b. Org Biomol Chem. 2013. PMID: 24071830

7

1H-NMR as a structural and analytical tool of intra- and intermolecular hydrogen bonds of phenol-containing natural products and model compounds.

Charisiadis P, Kontogianni VG, Tsiafoulis CG, Tzakos AG, Siskos M, Gerothanassis IP. Charisiadis P, et al. Among authors: gerothanassis ip. Molecules. 2014 Sep 2;19(9):13643-82. doi: 10.3390/molecules190913643. Molecules. 2014. PMID: 25185070 Free PMC article. Review.

8

Understanding zinc(II) chelation with quercetin and luteolin: a combined NMR and theoretical study.

Primikyri A, Mazzone G, Lekka C, Tzakos AG, Russo N, Gerothanassis IP. Primikyri A, et al. Among authors: gerothanassis ip. J Phys Chem B. 2015 Jan 8;119(1):83-95. doi: 10.1021/jp509752s. Epub 2014 Dec 17. J Phys Chem B. 2015. PMID: 25486072

9

Accurate ab initio calculations of O-HO and O-H(-)O proton chemical shifts: towards elucidation of the nature of the hydrogen bond and prediction of hydrogen bond distances.

Siskos MG, Tzakos AG, Gerothanassis IP. Siskos MG, et al. Among authors: gerothanassis ip. Org Biomol Chem. 2015 Sep 7;13(33):8852-68. doi: 10.1039/c5ob00920k. Epub 2015 Jul 21. Org Biomol Chem. 2015. PMID: 26196256

10

Hydrogen Atomic Positions of O-H···O Hydrogen Bonds in Solution and in the Solid State: The Synergy of Quantum Chemical Calculations with ¹H-NMR Chemical Shifts and X-ray Diffraction Methods.

Siskos MG, Choudhary MI, Gerothanassis IP. Siskos MG, et al. Among authors: gerothanassis ip. Molecules. 2017 Mar 7;22(3):415. doi: 10.3390/molecules22030415. Molecules. 2017. PMID: 28272366 Free PMC article. Review.

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