Erich Kleinpeter

Author PubWeight™ 14.39‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Stereoelectronic effects in ring-chain tautomerism of 1,3-diarylnaphth[1,2-e][1,3]oxazines and 3-alkyl-1-arylnaphth[1,2-e][1,3]oxazines. J Org Chem 2004 1.07
2 Synthesis of mono- and disubstituted porphyrins: A- and 5,10-A2-type systems. Chemistry 2005 1.04
3 Hyperphosphorylation of glucosyl C6 carbons and altered structure of glycogen in the neurodegenerative epilepsy Lafora disease. Cell Metab 2013 1.00
4 Electron-withdrawing substituents decrease the electrophilicity of the carbonyl carbon. An investigation with the aid of (13)C NMR chemical shifts, nu(C[double bond]O) frequency values, charge densities, and isodesmic reactions to interpret substituent effects on reactivity. J Org Chem 2002 0.97
5 Synthesis, characterisation and theoretical calculations of 2,6-diaminopurine etheno derivatives. Org Biomol Chem 2005 0.87
6 Dynamic 1H NMR study of the barrier to rotation about the C-N bond in primary carbamates and its solvent dependence. J Org Chem 2007 0.84
7 Dynamic (1)H NMR spectroscopic study of the ring inversion in N-sulfonyl morpholines--studies on N-S interactions. J Org Chem 2009 0.83
8 Is the conventional interpretation of the anisotropic effects of C=C double bonds and aromatic rings in NMR spectra in terms of the π-electron shielding/deshielding contributions correct? Chemistry 2011 0.82
9 Larvicidal and IGR activity of extract of Tanzanian plants against malaria vector mosquitoes. J Vector Borne Dis 2009 0.82
10 Solution- and bound-state conformational study of N,N',N"-triacetyl chitotriose and other analogous potential inhibitors of hevamine: application of trNOESY and STD NMR spectroscopy. Chemistry 2003 0.81
11 Conformational analysis of mixed oxathia crown ethers and their complexational ability towards Ag(I) and Pd(II)-an experimental solution NMR and theoretical molecular modelling study. Org Biomol Chem 2004 0.79
12 Pulsed field gradient NMR study of anomalous diffusion in a lecithin-based microemulsion. Langmuir 2005 0.79
13 Inter- or intramolecular N...H-O or N-H...O hydrogen bonding in 1,3-amino-alpha/beta-naphthols: an experimental NMR and computational study. J Phys Chem A 2009 0.78
14 Antiparasitic and anticancer carvotacetone derivatives of Sphaeranthus bullatus. Nat Prod Commun 2012 0.77
15 Synthesis of thiazolidine-fused heterocycles via exo-mode cyclizations of vinylogous N-acyliminium ions. Org Biomol Chem 2011 0.76
16 Solution-state conformational study of the hevamine inhibitor allosamidin and six potential inhibitor analogues by NMR spectroscopy and molecular modeling. J Org Chem 2002 0.76
17 STD-DOSY: A new NMR method to analyze multi-component enzyme/substrate systems. J Magn Reson 2009 0.76
18 Stability of disubstituted copper complexes in the gas phase analyzed by electrospray ionization mass spectrometry. Rapid Commun Mass Spectrom 2010 0.75
19 Electron ionization (EI) mass spectra of exo-endo double-bond isomers of polycyano "push-pull" pentadienes derived from cycloalkylidene malonic acid derivatives. J Am Soc Mass Spectrom 2003 0.75
20 Push-pull vs captodative aromaticity. J Phys Chem A 2008 0.75
21 Stereodynamics of 1-(methylsulfonyl)-3,5-bis(trifluoromethylsulfonyl)-1,3,5-triazinane: experimental and theoretical analysis. J Org Chem 2006 0.75
22 NMR spectroscopic and theoretical study of the complexation of the inhibitor allosamidin in the binding pocket of the plant chitinase hevamine. J Mol Model 2002 0.75
23 Mass spectra of tetrahydroisoquinoline-fused 1,3,2-O,N,P- and 1,2,3-O,S,N-heterocycles: influence of ring size and fusion, of present heteroatoms, substituent effects and of the stereochemistry on fragmentation. Rapid Commun Mass Spectrom 2008 0.75
24 Ab initio study of the substituent effects on the relative stability of the E and Z conformers of phenyl esters. Stereoelectronic effects on the reactivity of the carbonyl group. J Phys Chem A 2005 0.75
25 Electronic influences on 3J(C,H) coupling constants via -S-, -S(O)- and -SO2-: their determination, calculation and comparison of detection methods. Magn Reson Chem 2004 0.75
26 Density functional calculations of the anisotropic effects of borazine and 1,3,2,4-diazadiboretidine. Chemphyschem 2012 0.75
27 A conformational study of N-acetyl glucosamine derivatives utilizing residual dipolar couplings. J Magn Reson 2011 0.75
28 Analysis of anisotropic effects in trinuclear metal carbonyl compounds by visualization of through-space NMR shielding. J Mol Model 2010 0.75
29 Propagation of polar substituent effects in 1-(substituted phenyl)-6,7-dimethoxy-3,4-dihydro- and -1,2,3,4-tetrahydroisoquinolines as explained by resonance polarization concept. J Org Chem 2005 0.75
30 Influence of the core conformation on the NH-tautomerism in porphyrins: a study of meso-(1,3-dithian-2-yl)porphyrins. J Org Chem 2008 0.75
31 Conformational landscape of meso-(1,3-dithian-2-yl)porphyrins. J Org Chem 2007 0.75
32 Antimosquito and antimicrobial clerodanoids and a chlorobenzenoid from Tessmannia species. Nat Prod Commun 2010 0.75
33 Configuration and E/Z interconversion mechanism of O(S)-allyl-S(O)-methyl-N-(acridin-9-yl) iminothiocarbonate. Magn Reson Chem 2005 0.75
34 1-Oxo-1,3-dithiolanes--synthesis and stereochemistry. Magn Reson Chem 2011 0.75
35 Synthesis, molecular structure, conformational analysis, and chemical properties of silicon-containing derivatives of quinolizidine. J Org Chem 2012 0.75
36 Complexation of diazaperylene and bisisoquinoline with transition metal ions in the gas phase studied by electrospray ionization mass spectrometry. Rapid Commun Mass Spectrom 2008 0.75
37 Quinoxalines XV. Convenient synthesis and structural study of pyrazolo[1,5-a]quinoxalines. J Org Chem 2009 0.75
38 1,3-Dimethyl-3-silapiperidine: synthesis, molecular structure, and conformational analysis by gas-phase electron diffraction, low temperature NMR, IR and Raman spectroscopy, and quantum chemical calculations. J Org Chem 2013 0.75
39 Anti-mosquito and antimicrobial nor-halimanoids, isocoumarins and an anilinoid from Tessmannia densiflora. Phytochemistry 2009 0.75
40 Molecular Structure and Conformational Analysis of 1-Phenyl-1-X-1-Silacyclohexanes (X = F, Cl) by Electron Diffraction, Low-Temperature NMR and Quantum Chemical Calculations. J Org Chem 2016 0.75
41 Solution structure of the palladium(II) complex of 1,4,7,10-tetrathiacyclododec-2-ene-2,3-dicarbonitrile. Magn Reson Chem 2004 0.75
42 Structure and conformational properties of 1,3,3-trimethyl-1,3-azasilinane: gas electron diffraction, dynamic NMR, and theoretical study. J Phys Chem A 2011 0.75
43 Interpretation of conformational effects on 2-endo-norborneol by natural chemical shielding analysis. J Phys Chem A 2005 0.75
44 Conformational equilibrium and dynamic behavior of bis-N-triflyl substituted 3,8-diazabicyclo[3.2.1]octane. Magn Reson Chem 2014 0.75
45 1,12-diazaperylene and 2,11-dialkylated-1,12-diazaperylene iridium(III) complexes [Ir(C^N)2(N^N)]PF6: new supramolecular assemblies. Dalton Trans 2012 0.75
46 Quantification of the aromaticity of 2-alkylidenethiazolines subjected to push-pull activity. J Org Chem 2011 0.75