The equivalent chain lengths on gas-liquid chromatography of the isomeric methylene-interrupted methyl cis, cis-octadecadienoates (2,5-to 14,17-) 'were de: tcrmined on eight different liquid phases, two of which were in capillary columns.: The equivalent chain length values increased with distance
Chromatography of isomeric methylene interrupted methyl cis,cis-octadecadienoates
โ Scribed by William W. Christie
- Publisher
- Elsevier Science
- Year
- 1968
- Tongue
- English
- Weight
- 173 KB
- Volume
- 34
- Category
- Article
- ISSN
- 1873-3778
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๐ SIMILAR VOLUMES
An eight-step synthesis is described which gives an overall yield of ~30% methyl cis-9,cis-12-octadecadienoate-16,16,17,17-d 4. The preparation utilizes easily obtainable starting materials. Tris(triphenylphosphine)chlororhodium (I) catalyst is used for incorporation of the deuterium isotopes. The d
## Abstract Methyl __cis__,__cis__โ, __trans__,__cis__โ, __cis__,__trans__โ, and __trans__,__trans__โ12,15โoctadecadienoatesโ9,10โd~2~ were prepared by the Wittig Reaction between __cis__โ or __trans__โ3โhexenyltriphenylphosphonium bromide and methyl 12โoxododecanoateโ9,10โd~2~ with butyl lithium i
The NMR spectra of a number of octadecadiynoic acids and of the derived cis, cis-and trans, trans-octadecadienoates have been studied using a 100 MHz instrument. Characteristic spectral features associated with the number of methylene groups between the two unsaturated centres are described. In diun