Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume -, Issue -, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.202300594
Keywords
Cross-coupling; bicyclic terpene; Heck reaction; palladium catalyst; ring opening
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In this study, the Pd-catalyzed cross-coupling reaction between α-pinene derivative - pinacarvone O-methyl oxime and aryl halides was described. Surprisingly, the formation of the C-C coupling product was accompanied by an unexpected opening of the pinene bicyclic structure. The reaction conditions were carefully optimized and the reaction mechanism was proposed based on structural and computational data analysis.
Herein we describe Pd-catalyzed cross-coupling reaction of alpha-pinene derivative - pinacarvone O-methyl oxime (1) with aryl halides (2). Surprisingly, the formation of the C-C coupling product was accompanied by an unexpected opening of the pinene bicyclic structure. The (Z)-2-aryl-4,4,5-trimethylcyclohexa-2,5-dien-1-one O-methyl oxime (3) was formed as the resulting product. The reaction conditions of the developed synthetic procedure were carefully optimized and the reaction mechanism was supposed on the basis of data obtained by structural and computational methods. image
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