1 H NMR investigation of 10‐dimethylaminononafulvene | Zendy

Otter Albin | Zendy; Neuenschwander Markus | Zendy; Kellerhals Hans Peter | Zendy

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1 H NMR investigation of 10‐dimethylaminononafulvene

Author(s) -

Otter Albin,

Neuenschwander Markus,

Kellerhals Hans Peter

Publication year - 1986

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.1260240416

Subject(s) - chemistry , planarity testing , steric effects , planar , ring (chemistry) , chemical shift , nuclear magnetic resonance spectroscopy , crystallography , resolution (logic) , carbon 13 nmr satellite , solvent , stereochemistry , fluorine 19 nmr , organic chemistry , computer graphics (images) , artificial intelligence , computer science

The 1 H NMR spectrum of 10‐dimethylaminononafulvene (2) has been analysed under high‐resolution conditions at low temperature. Chemical shifts and 27 non‐zero J values are reported. None of the parameters are significantly influenced by changes in solvent or temperature. The results indicate that 2 is not planar, and contains two sterically very different ring segments: a nearly planar ( E )‐configurated dienamine system consisting of atoms N—(C‐10)—(C‐9)—(C‐8)—(C‐7) is linked to a triene system deviating strongly from planarity.

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