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Molecules 2010, 15(7), 5012-5030; doi:10.3390/molecules15075012
Article

Anethole Isomerization and Dimerization Induced by Acid Sites or UV Irradiation

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Received: 21 May 2010; in revised form: 21 June 2010 / Accepted: 25 June 2010 / Published: 22 July 2010
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Abstract: The formation of cis-anethole and various dimers as a result of the exposure of trans-anethole to microporous solid acids (dealuminated HY zeolites), or UV-Vis irradiation was established by means of high resolution gas chromatography coupled to mass spectrometry. 3,4-bis-(4-Methoxyphenyl)-(E)-hex-2-ene was the most abundant compound among eight different methoxyphenyl-disubstituted hexenes produced by electrophilic addition and elimination reactions induced by HY zeolites. (1a,2a,3b,4b)-1,2-bis(4-Methoxyphenyl)-3,4-dimethylcyclobutane was the principal component in the mixture of 5 methoxyphenyl-disubstituted cyclobutanes found, together with cis-anethole, after UV-Vis irradiation of a trans-anethole solution in toluene.
Keywords: trans-anethole; photoisomerization; HY zeolite; cis-anethole; dimerization trans-anethole; photoisomerization; HY zeolite; cis-anethole; dimerization
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Castro, H.T.; Martínez, J.R.; Stashenko, E. Anethole Isomerization and Dimerization Induced by Acid Sites or UV Irradiation. Molecules 2010, 15, 5012-5030.

AMA Style

Castro HT, Martínez JR, Stashenko E. Anethole Isomerization and Dimerization Induced by Acid Sites or UV Irradiation. Molecules. 2010; 15(7):5012-5030.

Chicago/Turabian Style

Castro, Hans T.; Martínez, Jairo René; Stashenko, Elena. 2010. "Anethole Isomerization and Dimerization Induced by Acid Sites or UV Irradiation." Molecules 15, no. 7: 5012-5030.


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