Question

How to determine the Cis trans Isomers through Chromatography?

Answer 1

Explanation:

Stereospecific epoxidation of olefins produced oxiranes for which the gas chromatographic retention times were greater for the cis than for the trans isomer. The difference in retention times increased with increasing polarity of the liquid phase, and was made the basis of a method of analyzing for the cis-trans isomers of the synthetic sex attractant (cis-7-dodecen-1-ol acetate) of the cabbage looper moth, Trichoplusia ni (Hübner). The method was usable for the analysis of cis-trans isomers of methyl 9,10 hexadecenoate, and thus, it considerably extends the range of molecular weights for which the cis-trans isomer content may be determined by gas chromatography with packed columns

Answer 2

Answer:

The difference in retention times increased with increasing polarity of the liquid phase, and was made the basis of a method of analyzing for the cis-trans isomers of the synthetic sex attractant (cis-7-dodecen-1-ol acetate) of the cabbage looper moth, Trichoplusia ni (Hübner).

Explanation:

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