Complete 1H and 13C resonance assignments of stereoisomeric 3α,6,7,12α‐tetrahydroxycholanoic acids by two‐dimensional shift‐correlated NMR

Takashi Iida, Frederic C. Chang, Kumiko Mushiake, Junichi Goto, Toshio Nambara

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Complete 1H and 13C NMR resonance assignments were carried out for six stereoisomeric 6,7‐glycol derivatives of deoxycholic acid as their methyl esters (four being in the 5β‐series and two in the 5α‐series). In addition to conventional 1D NMR methods, 2D shift‐correlated NMR techniques (1H1H COSY, 1H1H NOESY and 1H13C HETCOR) were used for the signal assignments. Several 1H and 13C resonances have been reassigned from those previously reported. Substituent effects of the 6,7‐glycol moieties on the proton and carbon resonances were clarified and used in the structural elucidation of these compounds.

本文言語English
ページ(範囲)645-651
ページ数7
ジャーナルMagnetic Resonance in Chemistry
31
7
DOI
出版ステータスPublished - 1993 7

ASJC Scopus subject areas

  • 化学 (全般)
  • 材料科学(全般)

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