Works matching IS 07491581 AND DT 1998 AND VI 36 AND IP 5
Results: 11
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.
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- 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
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Conformational effects on <sup>13</sup>C NMR parameters in alkyl formates.
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- 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
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Tautomerism in nitrotriazoles: structure investigation by combined <sup>1</sup>H, <sup>13</sup>C and <sup>15</sup>N NMR spectroscopy.
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- 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
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Nitro group effects on the <sup>1</sup> J(CC) couplings in nitroalkanes.
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- 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
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<sup>1</sup>H and <sup>13</sup>C NMR assignments and stereochemistry of d,l-isospongiadiol and six spongian intermediates.
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- 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
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Constitution, stereochemistry and conformational behaviour of the photoreaction product of 7-deacetoxy-7-oxokhivorin.
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- 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
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Long-range J(<sup>15</sup>N,<sup>13</sup>C) and J(<sup>13</sup>C,<sup>13</sup>C) coupling constants via the metal atom in <sup>13</sup>C NMR spectra of square-planar Ni(II) complexes of the Schiff base of ( S)-2-( N-benzylprolyl)aminobenzophenone and <sup>13</sup>C-1-, <sup>13</sup>C-2- or <sup>15</sup>N-labelled glycine
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- 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
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Regiospecific analysis of natural mixtures of triglycerides using quantitative <sup>13</sup>C nuclear magnetic resonance of acyl chain carbonyl carbons.
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- 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
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Structure of a further triterpene saponin from Arenaria filicaulis Boiss.
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- 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
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NMR assignments and conformational studies of two diastereomeric oxidation products of 2′-deoxycytidine.
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- 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
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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.
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- 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
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