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Stabilization of triaryltin(IV) cations containing an O, C, O-coordinating pincer-type ligand. Isolation of a new [Ag(1-CB11H12)(3)](2-) anion

Rok: 2006

Druh publikace: článek v odborném periodiku

Název zdroje: Organometallics

Název nakladatele: American Chemical Society

Místo vydání: Washington

Strana od-do: 5139-5144

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
cze	Stabilizaca organocíničítých kationtů obsahujících OCO chelatující ligandy.	Byla připravena řada organocíničitých kationtů obsahujících OCO chelatujicí ligandy
eng	Stabilization of triaryltin(IV) cations containing an O, C, O-coordinating pincer-type ligand. Isolation of a new [Ag(1-CB11H12)(3)](2-) anion	Reported is the stabilization of pincer-type triaryltin(IV) [(ArSnPh2)-Sn-1](+) and [(ArSnPh2)-Sn-2](+) cations (where Ar-1 = 1-{2,6-(MeO)(2)C6H3} and Ar-2 = 1-{2,6-(t-BuO)(2)C6H3}) with weakly coordinating carborane anions [1-CB11H12](-) and [3-Co-(1,2-C2B9H11)(2)](-). Treatment of (ArSnPh2Cl)-Sn-1 with Ag+[1-CB11H12](-), depending on the molar ratio, reaction time, and solvent used (CH2Cl2 or THF), resulted in the isolation of the ion-pairs [(ArSnPh2)-Sn-1](+)[1-CB11H12](-) (1) (yield 86%) and [(ArSnPh2)-Sn-1](+) (2)[Ag(1-CB11H12)(3)](2-) (2) (yield 94%). Compound 2 contains a new [Ag(1-CB11H12)(3)](2-) anion in which the Ag+ ion is bound to the carborane cages via six hydrogen bridges. Compounds [(ArSnPh2)-Sn-1](+)[3-Co-(1,2-C2B9H11)(2)]- (3) and [(ArSnPh2)-Sn-2](+)-[ 1-Co-(2,3-C2B9H11)(2)](-) (4) were prepared in yields of 97 and 95%, respectively, via metathesis of the [(ArSnPh2)-Sn-1]+OTf- and [(ArSnPh2)-Sn-2]+OTf- triflates with Cs+[1-Co-(2,3-C2B9H11)(2)]- in CH2Cl2. The products were characterized by multinuclear (H-1, B-11, and Sn-119) NMR and IR spectroscopy, ESI/MS, and elemental analyses, and the structures of compounds 2, 3, and 4 were determined by X-ray diffraction studies.	ALCOHOL ACETYLATION CATALYSTS; SALT METATHESIS REACTION; CRYSTAL-STRUCTURE; CARBORANE ANION; ORGANOTIN COMPOUNDS; SILVER SALT; STRUCTURAL-CHARACTERIZATION; O,C,O-CHELATING LIGANDS; PI-COORDINATION; SOLID-STATE

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