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Reaction mechanism of direct episulfidation of caryophyllene and humulene
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.
2008 (English)In: Natural Product Research, ISSN 1478-6419, E-ISSN 1478-6427, Vol. 22, no 6, 495-498 p.Article in journal (Refereed) Published
Abstract [en]

Direct episulfidations of caryophyllene or humulene with elemental sulfur were examined by means of gas chromatography. Caryophyllene-6,7-episulfide was formed at an early stage in a reaction of the caryophyllene and elemental sulfur at 120C. Caryophyllene-3,6-sulfide and polymer compounds were formed after the episulfidation. Formations of the these compounds were related to the disappearance of the caryophyllene-6,7-episulfide. Isomerization from the caryophyllene to isocaryophyllene was also observed during the reaction. In the reaction of humulene with elemental sulfur, humulene-6,7-episulfide was initially produced and then converted to humulene-9,10-episulfide. It was assumed that the polymer compound in the reaction of humulene with sulfur was related to the disappearance of the both humulene episulfides.

Place, publisher, year, edition, pages
2008. Vol. 22, no 6, 495-498 p.
URN: urn:nbn:se:kth:diva-17453DOI: 10.1080/14786410701591903ISI: 000254999500006ScopusID: 2-s2.0-42449144620OAI: diva2:335497
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Borg-Karlson, Anna-Karin
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