Elektronenstruktur und physikalisch‐chemische Eigenschaften von Azo‐Verbindungen. Teil VII: Notiz über das Absorptions‐Spektrum und die Basizität des p‐Trimethylammonium‐phenyl‐azo‐azulen‐Kations | Zendy

Gerson F. | Zendy; Schulze J. | Zendy; Heilbronner E. | Zendy

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Elektronenstruktur und physikalisch‐chemische Eigenschaften von Azo‐Verbindungen. Teil VII: Notiz über das Absorptions‐Spektrum und die Basizität des p‐Trimethylammonium‐phenyl‐azo‐azulen‐Kations

Author(s) -

Gerson F.,

Schulze J.,

Heilbronner E.

Publication year - 1960

Publication title -

helvetica chimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.74

H-Index - 82

eISSN - 1522-2675

pISSN - 0018-019X

DOI - 10.1002/hlca.19600430208

Subject(s) - chemistry , azulene , medicinal chemistry , substituent , protonation , organic chemistry , ion

The spectroscopic properties and the basicity of p‐trimethylammonium‐phenylazo‐azulene support the conclusions drawn in a previous paper concerning the influence of −M and +M active substituents on the spectrum of phenyl‐azo‐azulene. They also verify the structure previously assigned to the protonated p‐dimethylamino‐phenyl‐azo‐azulene. A σ p ‐value of 0·66 ± 0·03 for the trimethylammonium substituent has been obtained.

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