Fatty acids, part 25 Thin layer and gas liquid chromatographic properties of some diunsaturated C18-esters

✍ Scribed by F.D. Gunstone; M. Lie Ken Jie

• Publisher: Elsevier Science
• Year: 1970
• Tongue: English
• Weight: 330 KB
• Volume: 4
• Category: Article
• ISSN: 0009-3084
• DOI: 10.1016/0009-3084(70)90043-5

✦ Synopsis

The chromatographic (GLC and silver ion TLC) properties of thirteen octadecadiynoic esters and the cis,cis-and trans,trans-dienoates derived from them are investigated. The possibility of predicting GEC behaviour (ECL) is discussed.

We have already reported 1) the synthesis of several diunsaturated C~a acids of general formula 1. In this paper, describing the GLC and silver ion TLC behaviour of their esters, frequent reference will be made to n which CH 3.(CHz)~.X.(CH2),.X.(CH2),.COOH X isC~C, CH&CH, or CH-t-CH is the number of methylene groups separating the two unsaturated centres. In the esters being examined n varies between 0 and 6. Similar properties of a series of thirteen isomeric 1,4-cis,cis-C18-dienoates (n = 1) prepared by Christie and Holman 2) have already been reported 3, 4).