Neuvonen K - Search Results

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.

Szatmári I, Martinek TA, Lázár L, Koch A, Kleinpeter E, Neuvonen K, Fülöp F. Szatmári I, et al. Among authors: neuvonen k. J Org Chem. 2004 May 28;69(11):3645-53. doi: 10.1021/jo0355810. J Org Chem. 2004. PMID: 15152992

2

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.

Neuvonen H, Neuvonen K, Koch A, Kleinpeter E, Pasanen P. Neuvonen H, et al. Among authors: neuvonen k. J Org Chem. 2002 Oct 4;67(20):6995-7003. doi: 10.1021/jo020121c. J Org Chem. 2002. PMID: 12353992

3

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.

Neuvonen K, Fülöp F, Neuvonen H, Koch A, Kleinpeter E, Pihlaja K. Neuvonen K, et al. Among authors: neuvonen h. J Org Chem. 2005 Dec 23;70(26):10670-8. doi: 10.1021/jo0507946. J Org Chem. 2005. PMID: 16355984

4

Substituent cross-interaction effects on the electronic character of the C=N bridging group in substituted benzylidene anilines--models for molecular cores of mesogenic compounds. A 13C NMR study and comparison with theoretical results.

Neuvonen H, Neuvonen K, Fülöp F. Neuvonen H, et al. Among authors: neuvonen k. J Org Chem. 2006 Apr 14;71(8):3141-8. doi: 10.1021/jo0600508. J Org Chem. 2006. PMID: 16599611

5

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.

Neuvonen H, Neuvonen K, Koch A, Kleinpeter E. Neuvonen H, et al. Among authors: neuvonen k. J Phys Chem A. 2005 Jul 21;109(28):6279-89. doi: 10.1021/jp044172k. J Phys Chem A. 2005. PMID: 16833969

6

Substituent influences on the stability of the ring and chain tautomers in 1,3-O,N-heterocyclic systems: characterization by 13C NMR chemical shifts, PM3 charge densities, and isodesmic reactions.

Neuvonen K, Fülöp F, Neuvonen H, Koch A, Kleinpeter E, Pihlaja K. Neuvonen K, et al. Among authors: neuvonen h. J Org Chem. 2001 Jun 15;66(12):4132-40. doi: 10.1021/jo001114w. J Org Chem. 2001. PMID: 11397144

7

Comparison of the electronic structures of imine and hydrazone side-chain functionalities with the aid of 13C and 15N NMR chemical shifts and PM3 calculations. The influence of C=N-substitution on the sensitivity to aromatic substitution.

Neuvonen K, Fülöp F, Neuvonen H, Koch A, Kleinpeter E, Pihlaja K. Neuvonen K, et al. Among authors: neuvonen h. J Org Chem. 2003 Mar 21;68(6):2151-60. doi: 10.1021/jo020608l. J Org Chem. 2003. PMID: 12636374

8

Effect of 4-substitution on psychotomimetic activity of 2,5-dimethoxy amphetamines as studied by means of different substituent parameter scales.

Neuvonen K, Neuvonen H, Fülöp F. Neuvonen K, et al. Bioorg Med Chem Lett. 2006 Jul 1;16(13):3495-8. doi: 10.1016/j.bmcl.2006.03.099. Epub 2006 Apr 27. Bioorg Med Chem Lett. 2006. PMID: 16644223

9

Evidence of substituent-induced electronic interplay. Effect of the remote aromatic ring substituent of phenyl benzoates on the sensitivity of the carbonyl unit to electronic effects of phenyl or benzoyl ring substituents.

Neuvonen H, Neuvonen K, Pasanen P. Neuvonen H, et al. Among authors: neuvonen k. J Org Chem. 2004 May 28;69(11):3794-800. doi: 10.1021/jo035521u. J Org Chem. 2004. PMID: 15153011

10

Reactions of 9-substituted guanines with bromomalondialdehyde in aqueous solution predominantly yield glyoxal-derived adducts.

Ruohola AM, Koissi N, Andersson S, Lepistö I, Neuvonen K, Mikkola S, Lönnberg H. Ruohola AM, et al. Among authors: neuvonen k. Org Biomol Chem. 2004 Jul 7;2(13):1943-50. doi: 10.1039/b405117c. Epub 2004 Jun 16. Org Biomol Chem. 2004. PMID: 15227548

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