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High-field FT NMR application of Mosher's method. The absolute configurations of marine terpenoids

✍ Scribed by Ohtani, Ikuko; Kusumi, Takenori; Kashman, Yoel; Kakisawa, Hiroshi

Book ID
111686749
Publisher
American Chemical Society
Year
1991
Tongue
English
Weight
613 KB
Volume
113
Category
Article
ISSN
0002-7863

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High-field FT NMR application of Mosher'
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Mosher's (IH) method to elucidate the absolute configuration of secondary alcohols was reexamined by use of high-field FT NMR spectroscopy, which enables assignment of most of the protons of complex molecules. There is a systematic arrangement of Ab (bs -8,) values obtained for the (R)-and (S)-MTPA

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## Abstract magnified image The enantiomerically pure title compounds were prepared and the absolute configurations assigned by the high‐field ^1^H‐NMR application of the __Mosher__ method on the bis‐MTPA derivatives (MTPA=__Ξ±__‐methoxy‐__Ξ±__‐(trifluoromethyl)benzeneacetic acid). The final evidenc