1968
DOI: 10.1021/ic50065a029
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Synthesis, solution stereochemistry, and electron delocalization properties of bis(.beta.-iminoamino)nickel(II) complexes

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Cited by 185 publications
(120 citation statements)
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“…The phenylamino compound (PPP) was prepared from the hydrochloride by reaction with triethylamine and was recrystallised from petroleum ether (9).…”
Section: Methodsmentioning
confidence: 99%
“…The phenylamino compound (PPP) was prepared from the hydrochloride by reaction with triethylamine and was recrystallised from petroleum ether (9).…”
Section: Methodsmentioning
confidence: 99%
“…[1] Therefore, it is of no surprise that nacnac ligands can stabilize most elements of the periodic table to form main-group, transition-metal, lanthanide, and actinide complexes. [1] The first documented cases of b-diketiminate metal complexes were reported by McGeachin [2] and Parks and Holm [3] in 1968. In their studies, the metal of choice was Ni II , as two N-substituted b-diketiminate ligands could be used to sterically tune the Ni II ion through a range of geometries from square-planar to tetrahedral.…”
mentioning
confidence: 99%
“…Much like the ubiquitous cyclopentadienyl ligand (Scheme 1, R = CH 3 or alternating positions for bulkier groups), the b-diketiminate class, generally denoted as "nacnac", or {ArNC(R)} 2 CH À (where Ar = aryl and R = CH 3 or bulkier group, Scheme 1), occupies a rightful place alongside a narrow list of popular ancillary supports, given its ability to stabilize or generate unique coordination environments and to support reactive organometallic reagents or catalysts. [1] The nacnac ligand skeleton is analogous to the acac (acetylacetonate) ligand, but the oxygen atoms are exchanged for nitrogen-based moieties such as NR (R = alkyl, silyl, Ar).…”
mentioning
confidence: 99%
“…[1] Die ersten dokumentierten Fälle von b-DiketiminatoMetallkomplexen wurden von McGeachin [2] sowie Parks und Holm [3] im 1968 beschrieben. Als Metall wurde Ni II verwendet, und mittels zweier N-substituierter b-Diketiminatoliganden konnte eine ganze Reihe von Geometrien, angefangen von quadratisch-planaren bis hin zu tetraedrischen Formen, realisiert werden.…”
unclassified
“…Neben dem Cyclopentadienylliganden (Schema 1, R = CH 3 oder andere Positionen bei sperrigeren Gruppen) gehören die b-Diketiminate {ArNC(R)} 2 CH À (Ar = Aryl und R = CH 3 oder sperrigere Gruppe, Schema 1), die im Allgemeinen mit "nacnac" bezeichnet werden, zu den am häufigsten verwendeten Hilfsliganden für metallorganische Reagentien oder Katalysatoren. [1] Das nacnac-Ligandengerüst ist wie das des acac-Liganden (Acetylacetonat) aufgebaut, nur dass die Sauerstoffatome gegen Stickstoffreste wie NR (R = Alkyl, Silyl, Ar) ersetzt sind.…”
unclassified