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51.	Thibaudeau, C, et al. (author) A new generalized Karplus-type equation relating vicinal proton-fluorine coupling constants to H-C-C-F torsion angles 1998 In: JOURNAL OF ORGANIC CHEMISTRY. - : AMER CHEMICAL SOC. - 0022-3263. ; 63:15, s. 4967-4984 Journal article (other academic/artistic)abstract A new seven-parameter Karplus-type relation between vicinal proton-fluorine coupling constants and the corresponding K-C-C-F torsion angles has been developed. The optimum val;es of the seven parameters were determined using a data set consisting of 57 (3
52.	Thibaudeau, C, et al. (author) Determination of the group electronegativity of CF3 group in 3 '-O-CF3-thymidine by H-1-NMR 1999 In: NUCLEOSIDES & NUCLEOTIDES. - : MARCEL DEKKER INC. - 0732-8311. ; 18:4-5, s. 1035-1053 Journal article (other academic/artistic)abstract The interplay of enthalpy of the gauche effect (Delta H degrees(GE)) Of the [X3'-C3'-C4'-O4'] fragment in various 3'-substituted (X) 2',3'-dideoxythymidine derivatives 1 - 7 and the inherent anomeric effect drives the two-state North reversible arrow Sout
53.	Thibaudeau, C, et al. (author) NMR conformation of (-)-beta-D-aristeromycin and its 2 '-deoxy and 3 '-deoxy counterparts in aqueous solution 1998 In: JOURNAL OF ORGANIC CHEMISTRY. - : AMER CHEMICAL SOC. - 0022-3263. ; 63:16, s. 5447-5462 Journal article (other academic/artistic)abstract The solution conformations of aristeromycin (1), 2'-deoxyaristeromycin (2), and 3'-deoxyaristeromycin (3) have been determined from an integrated analysis of X-ray (for 1 only), NMR data (i.e., (3)J(HH) coupling constants), and ab initio calculations. One
54.	Thibaudeau, C, et al. (author) Quantitation of the pD dependent thermodynamics of the N reversible arrow S pseudorotational equilibrium of the pentofuranose moiety in nucleosides gives a direct measurement of the strength of the tunable anomeric effect and the pK(a) of the nucleobase 1996 In: JOURNAL OF ORGANIC CHEMISTRY. - : AMER CHEMICAL SOC. - 0022-3263. ; 61:1, s. 266-286 Journal article (other academic/artistic)
55.	Thibaudeau, C, et al. (author) The discovery of intramolecular stereoelectronic forces that drive the sugar conformation in nucleosides and nucleotides 1997 In: NUCLEOSIDES & NUCLEOTIDES. - : MARCEL DEKKER INC. - 0732-8311. ; 16:5-6, s. 523-529 Journal article (other academic/artistic)abstract This report summarizes our results(8) on how the determination of the thermodynamics of the two-state North (N,C2'-exo-C3'-endo) reversible arrow South (S,C2'-endo-C3'-exo) pseudorotational equilibrium in aqueous solution (pD 0.6 - 12.0) basing on vicinal
56.	Thibaudeau, C, et al. (author) The first experimental evidence for a larger medium-dependent flexibility of natural beta-(D)double-under-bar-nucleosides compared to the alpha-(D)double-under-bar-nucleosides 1997 In: TETRAHEDRON. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0040-4020. ; 53:41, s. 14043-14072 Journal article (other academic/artistic)abstract A pairwise comparison of the free-energy of the two-state N (North, C2'-exo-C3'-endo, 0 degrees < P < 36 degrees) reversible arrow S (South, C2'-endo-C3'-exo, 144 degrees < P < 190 degrees) pseudorotational equilibrium of adenine, guanine, cytosine or thy
57.	Thibaudeau, C, et al. (author) The information transmission from the nucleobase drives the sugar-phosphate backbone conformation in the nucleotide wire 1998 In: NUCLEOSIDES & NUCLEOTIDES. - : MARCEL DEKKER INC. - 0732-8311. ; 17:9-11, s. 1589-1603 Journal article (other academic/artistic)abstract We herein present our results showing that a simple mononucleotide block actually acts as a wire. This is evidenced by the fact that any change of the electronic character of the nucleobase is transmitted to drive the sugar conformation, which in turn dic
58.	Thibaudeau, C, et al. (author) The quantitation of the competing energetics of the stereoelectronic and steric effects of the 3 '-OH and the aglycone in the alpha- versus beta-D- & -L-2 '-deoxyribonucleosides by H-1-NMR 1998 In: TETRAHEDRON. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0040-4020. ; 54:9, s. 1867-1900 Journal article (other academic/artistic)abstract By comparative NMR study of 2',3'-dideoxynucleosides (see ref 1) with alpha-D- or L-2'-deoxynucleosides, we have been able to quantify for the first time the competing medium-dependent influences of the 3'-OH promoted gauche and the aglycone-configuration
59.	Trifonova, A, et al. (author) Diastereospecific chemical synthesis of ribonucleosides-3 ',4 ',5 ',5 ''-d(4) 1999 In: TETRAHEDRON. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0040-4020. ; 55:15, s. 4747-4762 Journal article (other academic/artistic)abstract The diastereospecific chemical syntheses of uridine-3',4',5',5"-d(4), cylidine-3',4',5',5''-d(4), adenosine-3',4',5',5"-d4 and guanosine-3',4',5',5"-d(4) (>97 atom % H-2 at C3', C4' and C5') have been achieved by condensation of appropriately protected ag
60.	Wang, JH, et al. (author) The enantioselectivity of the cellular deoxynucleoside kinases. 1999 In: NUCLEOSIDES & NUCLEOTIDES. - : MARCEL DEKKER INC. - 0732-8311. ; 18:4-5, s. 807-810 Journal article (other academic/artistic)abstract Cytosolic thymidine kinase (TK1) and deoxycytidine kinase (dCK) and the mitochondrial thymidine kinase (TK2) and deoxyguanosine kinase (dGK) phosphorylate deoxynucleosides and their analogs. Recombinant human TK1 only phosphorylated beta-D Thd, but recomb

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Result 51-60 of 61

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Type of publication: journal article (61)Undo refine

Type of content: other academic/artistic (61)Undo refine

Author/Editor: Chattopadhyaya, ... (61)Undo refine; Foldesi, A (16); Maltseva, TV (16); Thibaudeau, C (14); Acharya, S (6); Sandstrom, A (6); show more...; Sund, C (6); Acharya, P (5); Földesi, A (4); Agback, P (4); Zamaratski, E (4); Trifonova, A (3); Maltseva, T. (3); Matsuda, A (3); Zarytova, VF (3); Kumar, A. (2); Cheruku, P (2); Isaksson, J (2); PAPCHIKHIN, A (2); Ugi, I (2); Denisov, AY (2); Ivanova, EM (2); Bekiroglu, S (2); Altmann, KH (2); Egli, M (2); Luo, X. (1); Pradeepkumar, P.I. (1); Chatterjee, S (1); Karthick Babu, S (1); Nawrot, B (1); Sprinzl, M (1); Eriksson, S. (1); Werner, B (1); Polak, M (1); Lorenz, K (1); BURKHART, BM (1); SUNDARALINGAM, M (1); Changalov, M M (1); Ivanova, G D (1); Rangelov, M A (1); Minakawa, N (1); Stoineva, I B (1); Yomtova, V M (1); Roussev, C D (1); Petkov, D.D. (1); Domling, A (1); Richter, W (1); Kim, T. K. (1); Pyshnyi, DV (1); Zamaratski, EV (1); show less...

University: Uppsala University (61)Undo refine

Language: English (61)

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