2001
DOI: 10.1016/s0022-328x(00)00908-6
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Surface organometallic chemistry of vanadium(V): reactivity of (ButN)VNp3 towards silica

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Cited by 24 publications
(13 citation statements)
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“…Noteworthy is the reaction of [V(N t Bu)(CH 2 t Bu) 3 ] with SiO 2‐(200) which gives [(SiO) 2 V(N t Bu)(CH 2 t Bu)] ( 23 ); in contrast [V(N t Bu)(O t Bu)(CH 2 t Bu) 2 ] does not react with SiO 2 . The surface of complex 23 was characterized by 13 C and 51 V NMR spectroscopy, however, the surface chemistry is rather complex because of the presence of the imido ligand 34. For example, a small amount of [(SiO) 2 V(NH t Bu)(CH 2 t Bu) 2 ] is also detected, which comes from the addition of a silanol group onto the imido moiety of the molecular complex.…”
Section: Surface Organometallic Chemistry On Silicamentioning
confidence: 99%
“…Noteworthy is the reaction of [V(N t Bu)(CH 2 t Bu) 3 ] with SiO 2‐(200) which gives [(SiO) 2 V(N t Bu)(CH 2 t Bu)] ( 23 ); in contrast [V(N t Bu)(O t Bu)(CH 2 t Bu) 2 ] does not react with SiO 2 . The surface of complex 23 was characterized by 13 C and 51 V NMR spectroscopy, however, the surface chemistry is rather complex because of the presence of the imido ligand 34. For example, a small amount of [(SiO) 2 V(NH t Bu)(CH 2 t Bu) 2 ] is also detected, which comes from the addition of a silanol group onto the imido moiety of the molecular complex.…”
Section: Surface Organometallic Chemistry On Silicamentioning
confidence: 99%
“…Erwähnenswert ist die Reaktion von [V(N t Bu)(CH 2 t Bu) 3 ] mit SiO 2‐(200) , die [(SiO) 2 V(N t Bu)(CH 2 t Bu)] 23 ergibt; [V(N t Bu)(O t Bu)(CH 2 t Bu) 2 ] reagiert im Gegensatz dazu nicht mit SiO 2 . Der Oberflächenkomplex 23 wurde 13 C‐ und 51 V‐NMR‐spektroskopisch charakterisiert; die Oberflächenchemie ist jedoch wegen des Imidoliganden recht komplex 34. So bildet sich z.…”
Section: Oberflächen‐organometallchemie Auf Kieselgelunclassified
“…3 )] torna a reatividade com H 2 mais complexa 29 . Estudos por IV in situ e determinação do teor de vanádio no sólido sugeriram que, à temperatura ambiente, ocorra a adição de H 2 à ligação V=N seguida por eliminação redutiva de neopentano (Esquema 6, i, ii).…”
Section: A Presença Do Ligante T Butilimido No Complexo De Superfícieunclassified
“…Simultaneamente, o hidrogênio seria adicionado ao complexo formando um intermediário [V]-H e t-butilamina. Esta, ao ser protonada por um hidrogênio ácido de um grupo silanol, formaria espécies iônicas de superfície (Esquema 6, iii) 29 . 41 .…”
Section: A Presença Do Ligante T Butilimido No Complexo De Superfícieunclassified
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