Synthesis and Characterisation of Molecular Bismuth Phosphorus Compounds Containing Bi 2 Units with Bi–Bi Single and Double Bonds

Autor:	Carsten von Hänisch, Donna Nikolova
Rok vydání:	2006
Předmět:	chemistry.chemical_classification Double bond Bicyclic molecule Inorganic chemistry chemistry.chemical_element Crystal structure Inorganic Chemistry Dilithium Transmetalation Crystallography chemistry.chemical_compound chemistry Single bond Diphosphane Lithium
Zdroj:	European Journal of Inorganic Chemistry. 2006:4770-4773
ISSN:	1099-0682 1434-1948
DOI:	10.1002/ejic.200600474
Popis:	The compound [BiP(SiPh2tBu)2]2 (1), featuring a Bi–Bi double bond and two Bi–P single bonds, has been obtained from thereaction of BiCl3 with the lithium phosphanide LiP(SitBuPh2)2.As a byproduct of this transmetallation/redox reaction the diphosphane P2(SitBuPh2)4 (2) has been isolated. This compound shows a remarkably short P–P bond due to π interactions of the phosphorus atoms. The reaction of the dilithium phosphandiide Li2PSitBuPh2 with BiCl3 yielded the bicyclic compound [Bi2(PSiPh2tBu)4] (3), exhibiting a Bi–Bi single bond. NMR studies of 3 show the availability of four different P atoms, as observed in the crystal structure. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)
Databáze:	OpenAIRE
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