Select the keyword or phrase that will best complete each sentence Select the keyword or phrase that will best complete each sentence Key terms: Metathesis reactions are reactions between two alkene molecules that result in the interchange of the carbons of their double bonds Alkylboranes Carbenes are neutral reactive intermediates that contain a divalent carbon surrounded by six electrons-the lone pair and two each from the two R groups Oxidative Suzuki Heck reactions are palladium-catalyzed coupling of a vinyl or aryl halide with an alkene to form a more substituted alkene with a new C-C bond nes Ligands are groups coordinated to a metal, which donates electron density to or sometimes withdraws electron density from the metal Metathesis Reductive Reductive elimination is the elimination of two groups that surround the metal, often forming new C-H or C-C bonds Ligands Alkylboranes, which have a boron atom bonded to a benzene ring, are prepared from organolithium reagents by reaction with trimethyl borate Heck Simmons-Smith Simmons-Smith reactions are reactions of alkenes with diiodomethane in the presence of copper-activated zinc form a cylcopropane Grubbs Oxidative addition is the addition of a reagent to a metal, often increasing the number of groups around the metal by two Carbenes Suzuki reactions are palladium-catalyzed coupling of an organic halide with an organoborane to form a product with a new C-C bond Reset
