## Abstract The syntheses of pure __cis__‐ and __trans__‐3‐hexenal are described. It is shown that earlier reported preparations of 3‐hexenal or β‐hexenal led in most cases to the isomeric 2‐hexenal.
Odeur et constitution XXII. Les cis- et trans-p-menthènes-8
✍ Scribed by Alan F. Thomas; M. Stoll
- Publisher
- John Wiley and Sons
- Year
- 1964
- Tongue
- German
- Weight
- 213 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Analysis of the acid-lactonic parts of bergamot oil (Citrus bergamia, RISSO, from Calabria, Italy) yb chromatographic (Column, thin-layer, paper, vapour phase) and spectrometric (mass, NMR., IR., UV.) methods has confirmed previous resuits and in addition revealed the presence of cis and trans jasmone, dihydrojasmone, cis and trans 5-octen-Z-one, the following saturated fatty acids : octanoic, nonanoic, decanoic, undecanoic, hexadecanoic, octadecanoic, eicosanoic, tetracosanoic, small quantities of docosanoic, tricosanoic, pentacosanoic, hexacosanoic acid, and two unsaturated acids : 9-octadecenoic and 9,12-octadecadienoic. We have further identified cis geranic acid, possibly transand dihydrogeranic acid.
Laboratoires de Recherches FIRMENICH & CIE, Genkve BIBLIOGRAPHIE
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