Limbach HH - Search Results

1

Double Proton Tautomerism via Intra- or Intermolecular Pathways? The Case of Tetramethyl Reductic Acid Studied by Dynamic NMR: Hydrogen Bond Association, Solvent and Kinetic H/D Isotope Effects.

Limbach HH, Baumgärtner S, Franke R, Männle F, Scherer G, Denisov GS. Limbach HH, et al. Molecules. 2021 Jul 20;26(14):4373. doi: 10.3390/molecules26144373. Molecules. 2021. PMID: 34299648 Free PMC article.

2

H/D isotope effects on NMR chemical shifts of nuclei involved in a hydrogen bridge of hydrogen isocyanide complexes with fluoride anion.

Golubev NS, Detering C, Smirnov SN, Shenderovich IG, Denisov GS, Limbach HH, Tolstoy PM. Golubev NS, et al. Among authors: limbach hh. Phys Chem Chem Phys. 2009 Jul 7;11(25):5154-9. doi: 10.1039/b900152b. Epub 2009 Apr 3. Phys Chem Chem Phys. 2009. PMID: 19562148

3

Hydrogen bond geometries and proton tautomerism of homoconjugated anions of carboxylic acids studied via H/D isotope effects on 13C NMR chemical shifts.

Guo J, Tolstoy PM, Koeppe B, Golubev NS, Denisov GS, Smirnov SN, Limbach HH. Guo J, et al. Among authors: limbach hh. J Phys Chem A. 2012 Nov 26;116(46):11180-8. doi: 10.1021/jp304943h. Epub 2012 Jul 19. J Phys Chem A. 2012. PMID: 22738093

4

Solvent and H/D isotope effects on the proton transfer pathways in heteroconjugated hydrogen-bonded phenol-carboxylic acid anions observed by combined UV-vis and NMR spectroscopy.

Koeppe B, Guo J, Tolstoy PM, Denisov GS, Limbach HH. Koeppe B, et al. Among authors: limbach hh. J Am Chem Soc. 2013 May 22;135(20):7553-66. doi: 10.1021/ja400611x. Epub 2013 May 8. J Am Chem Soc. 2013. PMID: 23607931

5

Combined NMR and UV-Vis Spectroscopic Studies of Models for the Hydrogen Bond System in the Active Site of Photoactive Yellow Protein: H-Bond Cooperativity and Medium Effects.

Koeppe B, Tolstoy PM, Guo J, Denisov GS, Limbach HH. Koeppe B, et al. Among authors: limbach hh. J Phys Chem B. 2021 Jun 10;125(22):5874-5884. doi: 10.1021/acs.jpcb.0c09923. Epub 2021 Jun 1. J Phys Chem B. 2021. PMID: 34060830

6

Characterization of fluxional hydrogen-bonded complexes of acetic acid and acetate by NMR: geometries and isotope and solvent effects.

Tolstoy PM, Schah-Mohammedi P, Smirnov SN, Golubev NS, Denisov GS, Limbach HH. Tolstoy PM, et al. Among authors: limbach hh. J Am Chem Soc. 2004 May 5;126(17):5621-34. doi: 10.1021/ja039280j. J Am Chem Soc. 2004. PMID: 15113234

7

NMR studies of solvent-assisted proton transfer in a biologically relevant Schiff base: toward a distinction of geometric and equilibrium H-bond isotope effects.

Sharif S, Denisov GS, Toney MD, Limbach HH. Sharif S, et al. Among authors: limbach hh. J Am Chem Soc. 2006 Mar 15;128(10):3375-87. doi: 10.1021/ja056251v. J Am Chem Soc. 2006. PMID: 16522119

8

NMR studies of coupled low- and high-barrier hydrogen bonds in pyridoxal-5'-phosphate model systems in polar solution.

Sharif S, Denisov GS, Toney MD, Limbach HH. Sharif S, et al. Among authors: limbach hh. J Am Chem Soc. 2007 May 16;129(19):6313-27. doi: 10.1021/ja070296+. Epub 2007 Apr 25. J Am Chem Soc. 2007. PMID: 17455937

9

NMR studies of double proton transfer in hydrogen bonded cyclic N,N'-diarylformamidine dimers: conformational control, kinetic HH/HD/DD isotope effects and tunneling.

Lopez JM, Männle F, Wawer I, Buntkowsky G, Limbach HH. Lopez JM, et al. Among authors: limbach hh. Phys Chem Chem Phys. 2007 Aug 28;9(32):4498-513. doi: 10.1039/b704384h. Epub 2007 Jun 25. Phys Chem Chem Phys. 2007. PMID: 17690775

The kinetic results are in excellent agreement with the kinetics of DPFA and (15)N,(15)N'-di-(4-fluorophenyl)-formamidine (DFFA) studied previously for solutions in tetrahydrofuran. Two large HH/HD and HD/DD isotope effects are observed in the whole temperature range which …

The kinetic results are in excellent agreement with the kinetics of DPFA and (15)N,(15)N'-di-(4-fluorophenyl)-formamidine (DFFA) studied pre …

10

Symmetrization of cationic hydrogen bridges of protonated sponges induced by solvent and counteranion interactions as revealed by NMR spectroscopy.

Pietrzak M, Wehling JP, Kong S, Tolstoy PM, Shenderovich IG, López C, Claramunt RM, Elguero J, Denisov GS, Limbach HH. Pietrzak M, et al. Among authors: limbach hh. Chemistry. 2010 Feb 1;16(5):1679-90. doi: 10.1002/chem.200902259. Chemistry. 2010. PMID: 20024986

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