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Étude de quelques isoflavones par spectrophotométrie infrarouge

✍ Scribed by A. Jacot-Guillarmod; A. Piguet

Book ID
102250183
Publisher
John Wiley and Sons
Year
1963
Tongue
German
Weight
157 KB
Volume
46
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

The infra‐red absorption band of the carbonyl function of isoflavones lies in the region of 1620 cm^−1^; the absorption frequency becomes approx. 1650 cm^−l^ when an OH group is in the 5 position.

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✍ J. B. Bulinda; Th. Zeegers-Huyskens 📂 Article 📅 2010 🏛 Wiley (John Wiley & Sons) ⚖ 252 KB 👁 1 views

## Abstract The hydrogen bonded complexes formed between tetrabutylammonium bromide and phenol derivatives are studied by infrared spectrometry in CCl~4~. The logarithm of the stability constants of complexes of 1:1 and 2:1 stoechiometry, and the frequency shifts of the stretching vibration IV~OH~