Abstract
Stereochemistry of the oxidative addition of 5-(methoxycarbonyl)-2-cyclohexenyl chloride (1a) and bromide (1b) and 5-methyl-2-cyclohexenyl chloride (1c) to palladium(0)-olefin and platinum(0)-olefin complexes to give the corresponding (η 3 -allyl)palladium and -platinum complexes was examined as a function of solvent and olefin ligands. Novel syn addition (>90% selectivity) occurred in the reactions of the trans isomers of 1a-c with palladium complexes containing electron-withdrawing olefenic ligands (maleic anhydride, dimethyl fumarate, fumaronitrile, dibenzylideneacetone) carried out in benzene, CH 2 Cl 2 , or THF
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