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Dalton Transactions

The international journal for inorganic, organometallic and bioinorganic chemistry



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Dalton Trans., 2010, 39, 234 - 238, DOI: 10.1039/b915403e

Synthesis of phosphine substituted -diketiminate based isomeric Ge(II) complexes

N. Dastagiri Reddy, Anukul Jana, Herbert W. Roesky, Prinson P. Samuel and Carola Schulzke

Treatment of phosphine substituted -diketiminate lithium, Ph2PC[C(Me)N(Dipp)]2LiOEt2 ( 1) (Dipp = 2,6-iPr2C6H3) with dioxane·GeCl2resulted in a five-membered N,P chelate complex, Ph2PC[C(Me)N(Dipp)]2GeCl ( 2). An isomer of 2 CH{[C(CH2PPh2)N(Dipp)][C(Me)N(Dipp)]}GeCl ( 5) was obtained from the germanium complex LGe (L = CH[C(CH2)N(Dipp)][C(Me)N(Dipp)])Ge ( 4) and Ph2PCl. In 5 the PPh2 group remains uncoordinated. Both complexes were characterized by X-ray structural analysis and in the case of 5 both enantiomers crystallize in the same unit cell.

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