1988
DOI: 10.1021/ja00216a011
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Cp2Zr(N=CPh2)2, an organometallic heteroallene-type Schiff base derivative relevant to describing sp2-hybridized nitrogen inversion

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Cited by 64 publications
(28 citation statements)
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“…The Ti-N dis- tance is also shorter than that in Cp 2 Zr(N@CPh 2 ) 2 (2.058-2.063 Å ) [26]. The N(1)-C(11) distance (1.276 Å ) in 2c is close to those in 2a (1.266 Å ) [21a], Cp 2 Zr(N@CPh 2 ) 2 (1.259 and 1.266 Å ) [26], and is comparable to those in a series of (arylimido)(ketimide)vanadium complexes (1.250-1.270 Å ) [27]. Ti-N(ketimide)-C bond angle, [Ti(1)-N(1)-C(11) = 170.58°], in 2c is slightly larger than those in 2a (166.4°) [21a], (indenyl)TiCl 2 (N@C t Bu 2 ) (167.6°) and Cp 2 Zr(N@CPh 2 ) 2 (164.1°, 163.7°) [26]; the angle is within a range of those in a series of (arylimido)(ketimide)vanadium complexes (169.4-177.3°) [27].…”
Section: Resultsmentioning
confidence: 83%
See 1 more Smart Citation
“…The Ti-N dis- tance is also shorter than that in Cp 2 Zr(N@CPh 2 ) 2 (2.058-2.063 Å ) [26]. The N(1)-C(11) distance (1.276 Å ) in 2c is close to those in 2a (1.266 Å ) [21a], Cp 2 Zr(N@CPh 2 ) 2 (1.259 and 1.266 Å ) [26], and is comparable to those in a series of (arylimido)(ketimide)vanadium complexes (1.250-1.270 Å ) [27]. Ti-N(ketimide)-C bond angle, [Ti(1)-N(1)-C(11) = 170.58°], in 2c is slightly larger than those in 2a (166.4°) [21a], (indenyl)TiCl 2 (N@C t Bu 2 ) (167.6°) and Cp 2 Zr(N@CPh 2 ) 2 (164.1°, 163.7°) [26]; the angle is within a range of those in a series of (arylimido)(ketimide)vanadium complexes (169.4-177.3°) [27].…”
Section: Resultsmentioning
confidence: 83%
“…The distance is shorter than those in a series of Cp 0 TiCl 2 -½NðR 1 ÞR 2 ðCp 0 ¼ Cp à ; 1; 3-Me 2 C 5 H 3 ; R 1 ,R 2 = Me,Cy, Cy,Cy, 1.861-1.873 Å ) [24] and that in (1,3-Me 2 C 5 H 3 )TiCl 2 [N(SiMe 3 )(2,6-Me 2 C 6 H 3 )] (1.898 Å ) [25]. The Ti-N dis- tance is also shorter than that in Cp 2 Zr(N@CPh 2 ) 2 (2.058-2.063 Å ) [26]. The N(1)-C(11) distance (1.276 Å ) in 2c is close to those in 2a (1.266 Å ) [21a], Cp 2 Zr(N@CPh 2 ) 2 (1.259 and 1.266 Å ) [26], and is comparable to those in a series of (arylimido)(ketimide)vanadium complexes (1.250-1.270 Å ) [27].…”
Section: Resultsmentioning
confidence: 93%
“…6). Therefore, ( E )‐ and (Z)‐alkylideneaminopalladium(II) species seem to readily isomerize under these reaction conditions 5. This contrasts with vinylpalladium species that generally do not undergo isomerization.…”
Section: Amino‐heck Reactionmentioning
confidence: 93%
“…Thus, these azavinylidene [5] complexes B are more related to alkylideneammonium cations than to imines. [6] Herein we report the synthesis, structure, and a preliminary account of the reactivity of an N-metalloimine (type A) which contains a transition-metal fragment.The reaction of KN¼CPh 2 with [Re(OTf)(CO) 3 (bpy)] (bpy ¼ 2,2'-bipyridine) afforded the complex [Re(N ¼ CPh 2 )-(CO) 3 (bpy)] (1), which was characterized spectroscopically and by X-ray diffraction (Figure 1 a). For comparison, the structure of the imine complex [Re(HN¼CPh 2 )(CO) 3 (bpy)] þ (2), synthesized as its triflate salt by reaction of 1 with HOTf, was also determined (Figure 1 b).…”
mentioning
confidence: 86%
“…[2] We speculated that, in addition to this inductive effect, a low-oxidation transition-metal substituent would contribute a destabilizing interaction between the lone pair on the nitrogen atom and the filled metal d orbitals. [6] Herein we report the synthesis, structure, and a preliminary account of the reactivity of an N-metalloimine (type A) which contains a transition-metal fragment.The reaction of (1), which was characterized spectroscopically and by X-ray diffraction (Figure 1 a). Thus, these azavinylidene [5] complexes B are more related to alkylideneammonium cations than to imines.…”
mentioning
confidence: 99%