Letters in Organic Chemistry [ Diethylzinc-Mediated Allylation of Natural Biphenyls by -1,1- Dimethyleneallylpalladium Complexes ]

Author(s): Maria Antonietta Dettori, Jean Ollivier, Pier Paolo Piras, Davide Fabbri, Giovanna Delogu, Jacques Salaun.

Journal Name: Letters in Organic Chemistry

Volume 2 , Issue 3 , 2005

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1-Ethenylcyclopropyl sulfonate underwent electrophilic γ- and α-substitutions by the carbonyls of naturally occurring biphenyls derived from vanillin and acetovanillone, in the presence of palladium(0) and diethylzinc, to provide regioisomeric 5,5-di(3-cyclopropylidene-1-hydroxypropyl) biphenyls and 5,5-di[1-(1-ethenylcyclopropyl)-1-hydroxymethyl]biphenyls of biological interest.

Keywords: dimethyleneallylzinc complex, palladium, electrophilic additions, biaryls, allylations

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Article Details

Year: 2005
Page: [214 - 218]
Pages: 5
DOI: 10.2174/1570178053765384
Price: $65

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