Organoactinide synthesis

Scheme 10 Synthesis of the constrained geometry organoactinide complexes (H2CGL = neutral constrained geometry ligand)...

Bums CJ, Eisen MS (2006) In Organoactinide Chemistry Synthesis and Characterization, Morss LR, Edelstein N, Fuger J (eds) The chemistry of the actinide and transactinide elements, 3rd edn. Springer, Berlin... 

A number of reviews with relevant material have appeared. These include reviews on the application of lanthanide reagents in organic synthesis, structural trends of bis(pentaniethylcyclopentadienyl)lanthanide and ytrrium complexes, lanthanide and actinides (literature years 1987-89 and 199(pS), and recent advances in organoactinide chemistry. ... 

The Huckel (4n-l-2) n-electron dianion of cyclo-octatetraene, CgH, forms complexes with a number of early transition-metal and actinide ions. The synthesis of the uranium sandwich complex, U(CgHg)2 (bis([8]annulene)uran-ium(iv), known as uranocene ), was an important milestone in organoactinide chemistry. The green, pyrophoric compound was first prepared as shown below [7,124] ... 

The compounds (r/-CsHs)3UCl and (r/-CsHs)3ThCl are useful precursors for the synthesis of a large number of organoactinides, such as tris(cyclopentadienyl)metal alkoxides, tetrahydroborates, alkyls and aryls, halides, amides, and other derivatives,The chlorouranium compound was first synthesized by Reynolds and Wilkinson in 1956 from uranium tetrachloride and sodium cyclopentadienide in tetrahydrofuran. Vacuum sublimation, in our hands, invariably gives the pure product in low yield. The thorium analog was originally prepared in a similar manner,... 

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