STUDY OF REACTION PATHWAY AND KINETIC OF ESTRAGOLE ISOMERIZATION TO CIS-ANETHOLE AND TRANS-ANETHOLE



Asep Kadarohman(1*), Gebi Dwiyanti(2), M. Muchalal M. Muchalal(3), Rizki Maryam Astuti(4)

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(*) Corresponding Author

Abstract


Estragole isomerization in basic condition resulted cis- and trans-anethole. Hence, there were two reaction pathway of estragole isomerization i.e. parallel and consecutive. The reaction pathway gave information about reaction mechanism. Estragole isomerization was carried out in various kind and volume of solvent, base ratios, and at various time and temperature. The products were analyzed by GC-MS, and FTIR. The result showed that the estragole isomerization pathway in ethanol and ethylene glycol was parallel. The mechanism of estragole isomerization proceed through carbanion intermediate with Eatotal of 178,6238 J/mol .

Keywords: estragole, cis-anethole, trans-anethole, isomerization pathway.


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ISSN 0215-9309 (Print)

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