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The barbiturate 1,5-dihydro-5-[5-pyrimidine-2,4(1H,3H)-dionyl]-2H-chromeno[2,3-d] pyrimidine-2,4(3H)-dione) (LH 4 ) 1 forms a complex with Zn(bpy)(NO 3 ) 2 ·2H 2 O (bpy=2,2′-bipyridine) of composition [Zn(bpy) 2 (H 2 O) 2 ] 2+ ·(LH 3 ) 2 ·7H 2 O (2). In this structure, the ligand exists as anion (LH3-) as revealed...
A new fluorinating reagent for the preparation of organometallic fluorides is described. Reactions of Cp * TiF 3 and Cp * ZrF 3 (Cp * = C 5 Me 5 ) with various nucleophiles are reported. The reduction of Cp * TiF 3 with sodium, magnesium and calcium yields new organometallic clusters containing molecular solids. The products...
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