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A multinuclear1H,13C, and15N magnetic resonance study of ten 4-nitropyridine N-oxides

✍ Scribed by A. Puszko, K. Laihia, E. Kolehmainen, Z. Talik

Book ID: 120725459
Publisher: SP MAIK Nauka/Interperiodica
Year: 2013
Tongue: English
Weight: 124 KB
Volume: 54
Category: Article
ISSN: 0022-4766
DOI: 10.1134/S002247661301040X

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An even more pronounced effect is observed in the 13C NMR spectra of spiro steroids. Signals of axial carbon atoms [(C(aJ are shifted upfield by 1.2-6.6 ppm compared with the respective signal of equatorial carbons [(C(a,,)] of the same type (Tables 2 and3). The only exception is the pair of compoun