Works matching IS 07491581 AND DT 1998 AND VI 36 AND IP 5

Results: 11

Total assignment of 1H and 13C spectra of the chlorinated triterpenoid (methyl 2α,3β,24-tri- O-acetylolean-12α- chloro-28,13β-olide) by NMR spectroscopy.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 381, doi. 10.1002/(SICI)1097-458X(199805)36:5<381::AID-OMR262>3.0.CO;2-Q

By:

Monte, F. J. Q.;
Kintzinger, J. P.;
Braz-Filho, R.

Publication type:

Article

Structure of a further triterpene saponin from Arenaria filicaulis Boiss.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 376, doi. 10.1002/(SICI)1097-458X(199805)36:5<376::AID-OMR269>3.0.CO;2-S

By:

Tóth, Gábor;
Simon, András;
Elgamal, M. Hani A.;
Soliman, Hesham S. M.;
Elmunajjed, Dalal T.;
Horváth, Gyula;
Duddeck, Helmut

Publication type:

Article

Conformational effects on 13C NMR parameters in alkyl formates.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 336, doi. 10.1002/(SICI)1097-458X(199805)36:5<336::AID-OMR273>3.0.CO;2-C

By:

de Kowalewski, Dora G.;
Kowalewski, Valdemar J.;
Contreras, Rubén H.;
Diez, Ernesto;
Esteban, Angel L.

Publication type:

Article

Tautomerism in nitrotriazoles: structure investigation by combined 1H, 13C and 15N NMR spectroscopy.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 343, doi. 10.1002/(SICI)1097-458X(199805)36:5<343::AID-OMR272>3.0.CO;2-N

By:

Licht, H. H.;
Ritter, H.;
Bircher, H. R.;
Bigler, P.

Publication type:

Article

1H and 13C NMR assignments and stereochemistry of d,l-isospongiadiol and six spongian intermediates.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 325, doi. 10.1002/(SICI)1097-458X(199805)36:5<325::AID-OMR268>3.0.CO;2-2

By:

Ribeiro, Anthony A.;
Shen, Zhongqi;
Wang, Ming;
Zhang, Yongzheng;
Zoretic, Phillip A.

Publication type:

Article

Constitution, stereochemistry and conformational behaviour of the photoreaction product of 7-deacetoxy-7-oxokhivorin.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 371, doi. 10.1002/(SICI)1097-458X(199805)36:5<371::AID-OMR279>3.0.CO;2-5

By:

Okogun, Joseph I.;
Duddeck, Helmut;
Habermehl, Gerhard;
Krebs, Hans C.;
Tóth, Gábor;
Simon, András

Publication type:

Article

Long-range J(15N,13C) and J(13C,13C) coupling constants via the metal atom in 13C NMR spectra of square-planar Ni(II) complexes of the Schiff base of ( S)-2-( N-benzylprolyl)aminobenzophenone and 13C-1-, 13C-2- or 15N-labelled glycine

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 351, doi. 10.1002/(SICI)1097-458X(199805)36:5<351::AID-OMR252>3.0.CO;2-U

By:

Jirman, Josef;
Nádvorník, Milan;
Sopková, Jana;
Popkov, Alexander

Publication type:

Article

Regiospecific analysis of natural mixtures of triglycerides using quantitative 13C nuclear magnetic resonance of acyl chain carbonyl carbons.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 359, doi. 10.1002/(SICI)1097-458X(199805)36:5<359::AID-OMR274>3.0.CO;2-Z

By:

Vlahov, Giovanna

Publication type:

Article

Nitro group effects on the 1 J(CC) couplings in nitroalkanes.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 356, doi. 10.1002/(SICI)1097-458X(199805)36:5<356::AID-OMR278>3.0.CO;2-W

By:

Witanowski, Michal;
Biedrzycka, Zenobia;
Grela, Karol

Publication type:

Article

NMR assignments and conformational studies of two diastereomeric oxidation products of 2′-deoxycytidine.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 363, doi. 10.1002/(SICI)1097-458X(199805)36:5<363::AID-OMR280>3.0.CO;2-Q

By:

Ämmälahti, E.;
Bardet, M.;
Cadet, J.;
Molko, D.

Publication type:

Article

Tautomerism of enolic triacetylmethane, 2-acyl-1,3-cycloalkanediones, 5-acyl Meldrum's acids and 5-acyl-1,3-dimethylbarbituric acids studied by means of deuterium isotope effects on 13C chemical shifts.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 315, doi. 10.1002/(SICI)1097-458X(199805)36:5<315::AID-OMR251>3.0.CO;2-P

By:

Bolvig, Simon;
Duus, Fritz;
Hansen, Poul Erik

Publication type:

Article

Works matching IS 07491581 AND DT 1998 AND VI 36 AND IP 5

Total assignment of <sup>1</sup>H and <sup>13</sup>C spectra of the chlorinated triterpenoid (methyl 2α,3β,24-tri- O-acetylolean-12α- chloro-28,13β-olide) by NMR spectroscopy.

Structure of a further triterpene saponin from Arenaria filicaulis Boiss.

Conformational effects on <sup>13</sup>C NMR parameters in alkyl formates.

Tautomerism in nitrotriazoles: structure investigation by combined <sup>1</sup>H, <sup>13</sup>C and <sup>15</sup>N NMR spectroscopy.

<sup>1</sup>H and <sup>13</sup>C NMR assignments and stereochemistry of d,l-isospongiadiol and six spongian intermediates.

Constitution, stereochemistry and conformational behaviour of the photoreaction product of 7-deacetoxy-7-oxokhivorin.

Regiospecific analysis of natural mixtures of triglycerides using quantitative <sup>13</sup>C nuclear magnetic resonance of acyl chain carbonyl carbons.

Nitro group effects on the <sup>1</sup> J(CC) couplings in nitroalkanes.

NMR assignments and conformational studies of two diastereomeric oxidation products of 2′-deoxycytidine.

Tautomerism of enolic triacetylmethane, 2-acyl-1,3-cycloalkanediones, 5-acyl Meldrum's acids and 5-acyl-1,3-dimethylbarbituric acids studied by means of deuterium isotope effects on <sup>13</sup>C chemical shifts.