Sur la preéparation de quelques tris(dialycoylamino)-stibines et sur quelques unes de leurs propriétés

Kiennemann, A.; Levy, G.; Schué, François; Taniélian, Charles

doi:10.1016/s0022-328x(00)86892-8

Cited by 31 publications

(12 citation statements)

References 3 publications

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“…Commercial reagents were purchased from Aldrich, Acros, or Alfa-Aesar Chemical Companies and used as received. R(Me)Si(OH) 2 , 13 RSi(OH) 3 11 (R = N(SiMe 3 )-2,6-iPr 2 C 6 H 3 ), Bi(NEt 2 ) 3 , 33 Sb(NEt 2 ) 3 , 34 and Ge[N(SiMe 3 ) 2 ] 2…”

Section: Methodsmentioning

confidence: 99%

Synthesis of metallasiloxanes of group 13–15 and their application in catalysis

Wang

et al. 2013

Dalton Trans.

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Herein we report on the synthesis, characterization and catalytic application of metallasiloxanes of group 13-15. Reactions of R(Me)Si(OH)2 (R = N(SiMe3)-2,6-iPr2C6H3) (A) with Bi(NEt2)3, Sb(NEt2)3, Ge[N(SiMe3)2]2 and AlMe3 afforded [R(Me)SiO2BiNEt2]2 (1), [R(Me)SiO2SbOSi(OH)(Me)R]2 (2), [R(Me)SiO2]3(GeH)2 (3), and [R(Me)SiO2AlMe(THF)]2 (4), respectively. Reactions of RSi(OH)3 (B) with Bi(NEt2)3 and AlMe3 produced complexes (RSiO3Bi)4 (5) and (RSiO3)2[AlMe(THF)]3 (6). Compounds 1-6 have been characterized by IR and NMR spectroscopy, single crystal X-ray structure and elemental analysis. Each of the compounds 1, 2 and 4 features an eight-membered ring of composition Si2O4Bi2, Si2O4Sb2 and Si2O4Al2, while 3 and 6 exhibit a bicyclic structure with the respective skeletons of Si3O6Ge2 and Si2O6Al3. Compound 5 has a cubic core of Si4O12Bi4. Compounds 1-6 exhibit very good catalytic activity in the addition reaction of trimethylsilyl cyanide (TMSCN) with benzaldehyde. Compound 5 was found to be the best catalyst and its activity was probed in the reactions of TMSCN with a number of aldehydes and ketones.

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Section: Methodsmentioning

confidence: 99%

Synthesis of metallasiloxanes of group 13–15 and their application in catalysis

Wang

et al. 2013

Dalton Trans.

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“…(1), [10,11] [(Me 3 SiCH 2 ) 3 GaA [19] [GaA C H T U N G T R E N N U N G (CH 2 SiMe 3 ) 3 ], [41] [M{NA C H T U N G T R E N N U N G (SiMe 3 ) 2 } 3 ] (M= Al, [29] Ga, [29,30] In, [29] Bi [42] ), [{MA C H T U N G T R E N N U N G (NMe 2 ) 3 } 2 ] (M= Al, [28] Ga [27,28] ), [M{NA C H T U N G T R E N N U N G (SiMe 3 ) 2 } 2 ] (M= Sn, Pb), [43] [{SnA C H T U N G T R E N N U N G (NMe 2 ) 2 } 2 ], [44] [Sn-A C H T U N G T R E N N U N G (C 5 H 5 ) 2 ], [43] [MA C H T U N G T R E N N U N G (NMe 2 ) 3 ] (M= B, [43] Sb, [45] Bi [42] [46] [E{NA C H T U N G T R E N N U N G (SiMe 3 ) 2 } 2 ] (E= Se, Te), [47] and [AlCl{NA C H T U N G T R E N N U N G (SiMe 3 ) 2 } 2 ] [39] were prepared according to published procedures.…”

Section: Methodsmentioning

confidence: 99%

Molecular Nitrides with Titanium and Group 13–15 Elements

García-Castro¹,

Martı́n²,

Mena³

et al. 2009

Chemistry A European J

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Several heterometallic nitrido complexes were prepared by reaction of the imido-nitrido titanium complex [{Ti(eta(5)-C(5)Me(5))(mu-NH)}(3)(mu(3)-N)] (1) with amido derivatives of Group 13-15 elements. Treatment of 1 with bis(trimethylsilyl)amido [M{N(SiMe(3))(2)}(3)] derivatives of aluminum, gallium, or indium in toluene at 150-190 degrees C affords the single-cube amidoaluminum complex [{(Me(3)Si)(2)N}Al{(mu(3)-N)(2)(mu(3)-NH)Ti(3)(eta(5)-C(5)Me(5))(3)(mu(3)-N)}] (2) or the corner-shared double-cube compounds [M(mu(3)-N)(3)(mu(3)-NH)(3){Ti(3)(eta(5)-C(5)Me(5))(3)(mu(3)-N)}(2)] [M = Ga (3), In (4)]. Complexes 3 and 4 were also obtained by treatment of 1 with the trialkyl derivatives [M(CH(2)SiMe(3))(3)] (M = Ga, In) at high temperatures. The analogous reaction of 1 with [{Ga(NMe(2))(3)}(2)] at 110 degrees C leads to [{Ga(mu(3)-N)(2)(mu(3)-NH)Ti(3)(eta(5)-C(5)Me(5))(3)(mu(3)-N)}(2)] (5), in which two [GaTi(3)N(4)] cube-type moieties are linked through a gallium-gallium bond. Complex 1 reacts with one equivalent of germanium, tin, or lead bis(trimethylsilyl)amido derivatives [M{N(SiMe(3))(2)}(2)] in toluene at room temperature to give cube-type complexes [M{(mu(3)-N)(2)(mu(3)-NH)Ti(3)(eta(5)-C(5)Me(5))(3)(mu(3)-N)}] [M = Ge (6), Sn (7), Pb (8)]. Monitoring the reaction of 1 with [Sn{N(SiMe(3))(2)}(2)] and [Sn(C(5)H(5))(2)] by NMR spectroscopy allows the identification of intermediates [RSn{(mu(3)-N)(mu(3)-NH)(2)Ti(3)(eta(5)-C(5)Me(5))(3)(mu(3)-N)}] [R = N(SiMe(3))(2) (9), C(5)H(5) (10)] in the formation of 7. Addition of one equivalent of the metalloligand 1 to a solution of lead derivative 8 or the treatment of 1 with a half equivalent of [Pb{N(SiMe(3))(2)}(2)] afford the corner-shared double-cube compound [Pb(mu(3)-N)(2)(mu(3)-NH)(4){Ti(3)(eta(5)-C(5)Me(5))(3)(mu(3)-N)}(2)] (11). Analogous antimony and bismuth derivatives [M(mu(3)-N)(3)(mu(3)-NH)(3){Ti(3)(eta(5)-C(5)Me(5))(3)(mu(3)-N)}(2)] [M = Sb (12), Bi (13)] were obtained through the reaction of 1 with the tris(dimethylamido) reagents [M(NMe(2))(3)]. Treatment of 1 with [AlCl(2){N(SiMe(3))(2)}(OEt(2))] affords the precipitation of the singular aluminum-titanium square-pyramidal aggregate [{{(Me(3)Si)(2)N}Cl(3)Al(2)}(mu(3)-N)(mu(3)-NH)(2){Ti(3)(eta(5)-C(5)Me(5))(3)(mu-Cl)(mu(3)-N)}] (14). The X-ray crystal structures of 5, 11, 13, 14, and [AlCl{N(SiMe(3))(2)}(2)] were determined.

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“…As(NMe 2 ) 3 was prepared from the reaction of AsCl 3 with a suspension of LiNMe 2 in Et 2 O, and purified by distillation. 16 This reagent was used as standardised solution in toluene. Elemental analyses were performed by first sealing the samples under argon in air-tight aluminium boats (1-2 mg) and C, H and N content was analysed using an Exeter Analytical CE-440 Elemental Analyser.…”

Section: Experimental General Experimentalmentioning

confidence: 99%