Intramolekular stabilisierte galla- und Indacyclohexane, -cyclopentane und -cyclopentene; Ro¨ntgenstrukturanalyse von (CH2)5Ga(CH2)3NM

Schumann, Herbert; Just, Oliver; Seuß, Thomas D.; ̈rlitz, Frank H. Go; Weimann, Roman

doi:10.1016/0022-328x(94)88023-9

Cited by 21 publications

(10 citation statements)

References 21 publications

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“…The aromatic rings occupy equatorial positions, while the propionitrile ligands reside in axial sites. In-C bond lengths vary from 216.5(4) to 217.6(3) pm and are in good agreement with known values for pentafluorophenyl compounds [28][29][30]. The mean value of the angles C-In-C of 119.7°only slightly deviates from the ideal value of 120°.…”

Section: Molecular Structure Of In(c 5 F 4 N) 3 Ae 2etcnsupporting

confidence: 79%

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Silver compounds in synthetic chemistry. Part 3. 4-Tetrafluoropyridyl silver(I), AgC5F4N – A reagent for redox transmetallations with group 12–14 elements

Tyrra

Aboulkacem

Pantenburg

2006

Journal of Organometallic Chemistry

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Section: Molecular Structure Of In(c 5 F 4 N) 3 Ae 2etcnsupporting

confidence: 79%

“…Examples of crystal structures of polyfluoroaryl indium compounds are to our knowledge rare and limited to three examples: In(C 6 F 5 )Br 2 AE 2 THF [28], In(C 6 F 5 ) 2 (CH 2 ) 3 -NMe 2 [29], and [PNP][In(C 6 F 5 ) 4 ] [30].…”

Section: Molecular Structure Of In(c 5 F 4 N) 3 Ae 2etcnmentioning

confidence: 98%

Silver compounds in synthetic chemistry. Part 3. 4-Tetrafluoropyridyl silver(I), AgC5F4N – A reagent for redox transmetallations with group 12–14 elements

Tyrra

Aboulkacem

Pantenburg

2006

Journal of Organometallic Chemistry

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“…33 Somewhat longer intermolecular In-F contacts were observed in In(C 6 F 5 ) 2 (κ 2 -CH 2 CH 2 CH 2 NMe 2 ) (3.175(5) Å). 34 The In(2) and In(3) cations of 6‚PhCl are structurally very similar and feature tbp geometries with PhCl ligands in the axial positions (Figure 5). The In-Cl dative bond distances (In(3)-Cl(2) 3.061(4) Å, In(3)-Cl(3) 3.272(3) Å) are intermediate between the sums of the In and Cl covalent and vdW radii (2.49 and 3.65 Å) 32 and are comparable to the In-µCl distances in polymeric MeInCl 2 (3.20 Å) and {(H 2 Bpz 2 )InMe(µ-Cl)} 2 (H 2 Bpz 2 -) dihydrobis(pyrazolyl)borate; 3.066(1) and 3.203(1) Å).…”

Section: Resultsmentioning

confidence: 99%

Cationic Indium Alkyl Complexes Incorporating Aminotroponiminate Ligands

2002

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The synthesis and structures of indium complexes incorporating the bidentate monoanionic ligand N,N′-diisopropylaminotroponiminate ( i Pr 2 -ATI) are described. The reaction of InCl 3 with Li[ i Pr 2 -ATI] yields ( i Pr 2 -ATI)InCl 2 (3), which is converted to ( i Pr 2 -ATI)InMe 2 (4) by reaction with MeLi; 4 is also formed by the reaction of InMe 3 with ( i Pr 2 -ATI)H. The reaction of 4 with 6) and Ph 3 CMe. 6 was isolated as the chlorobenzene solvate 6‚PhCl. An X-ray diffraction study shows that there are two independent cations in the asymmetric unit of 6‚PhCl. One cation (In( 1)) is ion-paired with two B(C 6 F 5 ) 4anions, while the second cation is complexed with two PhCl molecules and is disordered between two equally occupied positions (In(2) and In( 3)). Dative In-ClPh bonding and PhCl/ATI π-stacking interactions contribute to the PhCl coordination in 6‚PhCl. The reaction of 4 with B(C 6 F 5 ) 3 yields [( i Pr 2 -ATI)InMe][MeB(C 6 F 5 ) 3 ] (7), which decomposes slowly at 23 °C by C 6 F 5transfer reactions. The reaction of 4 with [HNMe 2 Ph][B(C 6 F 5 ) 4 ] yields the labile amine adduct [( i Pr 2 -ATI)In(Me)(NMe 2 Ph)][B(C 6 F 5 ) 4 ] (10).which undergo associative ligand exchange. The ( i Pr 2 -ATI)AlR + cations catalyze the dimerization of terminal alkynes by an insertion/σ-bond metathesis mechanism and initiate the polymerization of isobutylene and propylene oxide. The dinuclear hydride cation {( i Pr 2 -

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“…The present results indicate that the course of the reactions of indium(I) halide with polyfunctional organomercuric compounds is hard to predict but allow the synthesis of highly novel poly-Lewis acidic systems. Compound 2 is the first indacycle to be structurally characterized . While it readily hydrolyzes in the presence of water, no reaction is observed with bulky phenols such as 2,4,6-trimethylphenol.…”

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confidence: 99%