Synthesis and Structure of [1]Borametallocenophanes of Titanium, Zirconium, and Hafnium
β Scribed by Holger Braunschweig; Carsten von Koblinski; Maliya Mamuti; Ulli Englert; Ruimin Wang
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 318 KB
- Volume
- 1999
- Category
- Article
- ISSN
- 1434-1948
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## The (trimetaphosphimato)hafnates and -zirconates Na 4 {Hf 4 (Β΅ 4 -O)(Β΅-OH) 6 [(PO 2 NH) ), c = 50.284(10) A Λ, Z = 6] were obtained by the stoichiometric reaction of HfOCl 2 β’ 8 H 2 O and ZrOCl 2 β’ 8 H 2 O with an aqueous solution of Na 3 (PO 2 NH) 3 β’ 4 H 2 O, followed by the diffusion-control
## Abstract For Abstract see ChemInform Abstract in Full Text.
A series of metallacyclodisiladiazanes has been prepared. Lithiated (SiMe2NHtBu)z (1) reacts with TiC1, . 2 THF to give (SiMe2NtBu)2TiClz (4). Methylation or fluorination of 4 leads to (SiMe2NtBu)2TiMe, (8) and (SiMezNtBu)zTiFz (9), respectively. The reaction of ZrCL . 2 THF with lithiated 1 or [Si-