17 O NMR studies on ( E )‐3‐arylidenechromanone and ‐flavanone derivatives | Zendy

Tóth Gábor | Zendy; Simon András | Zendy; Lévai Albert | Zendy; Kählig Hanspeter | Zendy; Kalchhauser Hermann | Zendy

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17 O NMR studies on ( E )‐3‐arylidenechromanone and ‐flavanone derivatives

Author(s) -

Tóth Gábor,

Simon András,

Lévai Albert,

Kählig Hanspeter,

Kalchhauser Hermann

Publication year - 2001

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.877

Subject(s) - chemistry , flavanone , substituent , steric effects , chemical shift , proton nmr , carbon 13 nmr , stereochemistry , computational chemistry , nuclear magnetic resonance spectroscopy , organic chemistry , flavonoid , antioxidant

17 O NMR data for some 3‐arylidenechromanones and ‐flavanones are discussed in terms of mesomeric and steric substituent interactions. The transmission of long‐range substituent effects was studied. 17 O NMR chemical shifts were correlated with Hammett σ p + values for 4′‐substituted derivatives. Copyright © 2001 John Wiley & Sons, Ltd.

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