lb-e) are generated from R e 2 0 t and either ZnX2, (noxides in good yields. These synthetic routes have the advan-C4H9)3SnX, [(n-C,H&N]X, or [ (CAHS)4P]X in clean reactions. tage to proceed under very mild conditions. The adducts of Compounds la-f form with stable six-coordinate adducts 2,2'-bipyridine with halorhenium(VI1) oxides show characte-XRe03.L (2a-f, 3a, 4a, 5a: L = N,N'-ligand) upon addition ristic thermogravimetric (TG) behavior that reflects the volaof the free ligand L, e.g. 2,2'-bipyridine. l a is readily alky-tility of the uncoordinated complexes X-Re03.
CI