Reactivity Study of a Chlorostannylene Derived from Bis(iminophosphoranyl)methane

Autor:	Yuk-Chi Chan, Thomas C. W. Mak, Wing-Por Leung, Kwok-Wai Kan
Rok vydání:	2014
Předmět:	Inorganic Chemistry chemistry.chemical_compound Chemistry Stereochemistry Ligand Salt metathesis reaction Reactivity (chemistry) Benzil Azide Medicinal chemistry Trifluoromethanesulfonate Tetrahydrofuran Cycloaddition
Zdroj:	European Journal of Inorganic Chemistry. 2014:3191-3199
ISSN:	1099-0682 1434-1948
DOI:	10.1002/ejic.201402074
Popis:	The reactivity of the chlorostannylene [HC(PPh2=NSiMe3)2SnCl] (2) with various substrates has been investigated. Compound 2 acts as a two-electron carbene-like ligand and forms a complex with W(CO)5THF (THF = tetrahydrofuran) to give [HC(PPh2=NSiMe3)2(Cl)SnW(CO)5] (4). It reacts with benzil and 3,5-di-tert-butyl-o-benzoquinone to give the oxidative cycloaddition products [HC(PPh2=NSiMe3)2(Cl)Sn{O(Ph)C=C(Ph)O}] (5) and [HC(PPh2=NSiMe3)2(Cl)Sn{O(3,5-di-tBu-C6H2)O}] (6), respectively. The metathesis reaction of 2 with excess sodium azide affords [HC(PPh2=NSiMe3)2SnN3] (7). With silver(I) triflate, it forms an ionic triflate salt [HC(PPh2=NSiMe3)2Sn][CF3O2SO] (8), which features an exceptionally long Sn···OSO3CF3 distance. It can act as a ligand-transfer reagent by reacting with [Fe{N(SiMe3)2}2] to give [HC(PPh2=NSiMe3)2Fe(μ-Cl)]2 (9). The X-ray structures of 2–9 have been determined.
Databáze:	OpenAIRE
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