1997
DOI: 10.1016/s0022-328x(97)00129-0
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Dimethylaluminum and gallium amino alkoxides

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Cited by 32 publications
(12 citation statements)
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“…In the related indium complex [Me 2 In(OCH(CH 2 NMe 2 ) 2 )] 2 incorporating the same aminoalkoxide ligand, the indium atom is six-coordinate since both NMe 2 groups coordinate to the larger indium atom [19]. Some related methylalkoxogallanes, such as [Me 2 Ga(OCH 2 CH(R)NMe 2 )] 2 (R = i Pr, Bz, Et) have been previously reported with comparable bond lengths and angles to 1-4 [26][27][28].…”
Section: Synthesis and Characterization Of Diorganoalkoxygallanesmentioning
confidence: 97%
“…In the related indium complex [Me 2 In(OCH(CH 2 NMe 2 ) 2 )] 2 incorporating the same aminoalkoxide ligand, the indium atom is six-coordinate since both NMe 2 groups coordinate to the larger indium atom [19]. Some related methylalkoxogallanes, such as [Me 2 Ga(OCH 2 CH(R)NMe 2 )] 2 (R = i Pr, Bz, Et) have been previously reported with comparable bond lengths and angles to 1-4 [26][27][28].…”
Section: Synthesis and Characterization Of Diorganoalkoxygallanesmentioning
confidence: 97%
“…The naphthyl plane and the pyridyl plane are almost coplanar connected by a C@N bridge, suggesting that a good conjugation p-electrons system is formed in the structure. The compound exists as a monomer in the solid state, in spite of quite a few dimethylgallium alkoxides and phenoxides were found to be dimeric with a planar Ga 2 O 2 ring [17][18][19]. Ga-O1 distance (2.002(4) Å ) in 1 is longer than those reported in N,N-ethylenbis(salicylideneiminato)[dimethylgallium] (1.869(2) and 1.874(2) Å , respectively) [20], dimethylgallium N-methylsalicylaldiminate (1.904(7) Å ) [21] and dimethylgallium[2-(N,N-dimethylaminomethyl)-4-methyl]phenoxide 1.890(4) Å ) [22].…”
Section: Synthesis and Characterizationmentioning
confidence: 99%
“…Ein Vergleich der Strukturen des Dimethylaluminium-(+);(±)-dimethylamino-2-propoxids mit 2,246(2) A Ê [10] von 1 a und 3 sowie des ebenfalls bereits beschriebenen Dimethylaluminium-(S)-(+)-amino-2-propoxids (2,172(2) A Ê ) [10] zeigt fu È r die zuerst genannten Verbindungen eine deutliche Verla È ngerung der dativen Al±N-Bindungen. Als Grund dafu È r muû die gegensei-tigen Abstoûung der an den Aluminium-und Stickstoffatomen gebundenen Methylgruppen angesehen werden, womit gleichfalls das starke Abweichen der a È quatorialen O±Al±C-Winkel von 120°erkla È rt wird.…”
Section: Dimethylaluminum-r(±)-2-aminobutoxidunclassified
“…Als Folge davon weist der Ring I (Al11, O11, C13, C14, C15, N11) eine deformierte half-chair-Konformation auf, wa È hrend fu È r Ring II (Al21, O21, C23, C24, C25, N21) eine skew-boat-Konformation beobachtet wird. Da bisher strukturell charakterisierte dimere chelatstabilsierte Dimethylaluminiumaminoalkoxide kristallographische (vermittelt u È ber Symmetrieelemente im Mittelpunkt der Al 2 O 2 -Fla È che) Ûbereinstimmung der beiden [Me 2 AlOR]-Einheiten zeigen [10,12], u È berrascht die Feststellung zuna È chst, daû in den Fragmenten I und II von 4 die analogen Al±N-sowie Al±O-Bindungen signifikante La È ngendif-ferenzen aufweisen. Innerhalb des Chelatringes II mit S-Konfiguration am N-Atom sind dessen Bindungsabsta È nde zum Al-um 0,134(2) A Ê und zum axialen O-Atom um 0,17(2) A Ê la È nger als die analogen Distanzen im entsprechenden Moleku È lfragment I, wa È hrend sich die a È quatoriale Al±O-Bindung um 0,034(2) A Ê verku È rzt.…”
Section: Dimethylaluminum-cis-1 R 2 S-2-nbenzylaminocyclohexyl-1-metunclassified
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