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C,N-chelated Organotin(IV) Trifluoroacetates. Instability of the Mono- and Diorganotin(IV) Derivatives
Authors: Švec Petr | Padělková Zdeňka | Růžička Aleš | Weidlich Tomáš | Dušek Libor | Plasseraud Laurent
Year: 2011
Type of publication: článek v odborném periodiku
Name of source: Journal of Organometallic Chemistry
Page from-to: 676-686
Titles:
Language Name Abstract Keywords
cze C,N chelatované organocíničité trifluoracetáty. Nestabilita mono a diorganocíničitých derivátů. C,N chelatované tri, di a monoorganocíničité halogenidy byly podrobeny reakci s ekvimolárním množstvím CF 3COOAg za vzniku odpovídajícího C,N chelatovaného organocíničitého trifluoroacetatu. Byl připraven a charakterizován set tri, di a monoorganocíničitých trifluoracetátů nesoucích L CN (kde L CN je 2-(N,N-dimethylaminomethyl)fenyl-). Charakterizace byla provedena pomocí X-ray difrakční analýzy, multinukleární NMR a IR spektroskopie. organocíničité trifluoracetáty
eng C,N-chelated Organotin(IV) Trifluoroacetates. Instability of the Mono- and Diorganotin(IV) Derivatives The C,N-chelated tri-, di- and monoorganotin(IV) halides react with equimolar amounts of CF 3COOAg to give corresponding C,N-chelated organotin(IV) trifluoroacetates. The set of prepared tri-, di- and monoorganotin(IV) trifluoroacetates bearing the L CN ligand (where L CN is 2-(N,N-dimethylaminomethyl)phenyl-) was structurally characterized by X-ray diffraction analyses, multinuclear NMR and IR spectroscopy. In the case of triorganotin(IV) trifluoroacetates and (L CN) 2Sn(OC(O)CF 3) 2, no tendency to form hydrolytic products, or instability towards the moisture was observed. L CNRSn(OC(O)CF 3) 2 (where R is n-Bu or Ph) and L CNSn(OC(O)CF 3) 3 forms upon crystallization from THF in the air mainly dinuclear complexes in which the two tin atoms are interconnected either by hydroxo-bridges or by an oxo-bridge and/or by a bridging trifluoroacetate(s). Organotin(IV) Trifluoroacetates