Reaction of Me 3 SiNPPh 2 Fc (Fc = ferrocenyl) with niobium pentachloride affords [NbCl 3 (NPPh 2 Fc) 2 ], whose redox-functionalised phosphaneiminato ligands exhibit remarkably different bend angles at nitrogen according to a crystal structure analysis.
Synthesis and Structure of [NbCl3{[NPPh2(C5H4)]2Fe}]: The First Structurally Characterised Complex Containing a Chelating Di(phosphaneiminato) Ligand
β Scribed by Ulrich Siemeling; Beate Neumann; Hans-Georg Stammler; Oliver Kuhnert
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- German
- Weight
- 72 KB
- Volume
- 626
- Category
- Article
- ISSN
- 0372-7874
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β¦ Synopsis
Reaction of [Fe{(C 5 H 4 )PPh 2 =NSiMe 3 } 2 ] with niobium pentachloride affords the chelate complex [NbCl 3 {[NPPh 2 (C 5 H 4 )] 2 Fe}].
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## 4595 rolo [2,3-b]indole-1,4-diones based on an electrophilic fluorination Β± cyclization sequence. We have demonstrated the utility of this procedure by the efficient syntheses of 1 b and 2 b. The biological activities of these alkaloid isosteres will be evaluated and reported subsequently. In a
The yellow-orange boratabenzene complex Cb\*Co(3,5-Me 2 C 5 H 3 BNMe 2 ) (1) (Cb\* = C 4 Me 4 ) was readily obtained from [Cb\*Co(NCMe) 3 ]PF 6 and Li(TMEDA)(3,5-Me 2 C 5 H 3 BNMe 2 ). Methanolysis of 1 afforded Cb\*Co(3,5-Me 2 C 5 H 3 BOMe) (2). Complex 2 reacted with MeLi and with BCl 3 to give th