1987
DOI: 10.1021/ic00271a021
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Preparation and characterization of triphospholene complexes of zerovalent platinum: crystal and molecular structure of [Pt{(CF3)P(CF3)P(CF3)PC(CF3):C(CF3)}(PPh3)2]

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Cited by 11 publications
(11 citation statements)
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“…Als Nebenprodukt entsteht cyclo ‐(P 5 t Bu 4 H) 20. Bemerkenswert bei der Bildung von 2 ist die Abspaltung einer t Bu‐Gruppe des anionischen cyclo ‐(P 5 t Bu 4 )‐Rings als t BuCl unter Bildung des bislang unbekannten Cyclopentaphosphen‐Rings; einige wenige isolobale Cyclopenten‐21 und 1,2,3‐Triphospholen‐Komplexe22 sind hingegen bekannt. Offensichtlich reagiert t BuCl sofort mit 1 b unter Bildung von cyclo ‐(P 5 t Bu 4 H) und Isobuten, was durch eine unabhängige Umsetzung belegt werden konnte 23…”
unclassified
“…Als Nebenprodukt entsteht cyclo ‐(P 5 t Bu 4 H) 20. Bemerkenswert bei der Bildung von 2 ist die Abspaltung einer t Bu‐Gruppe des anionischen cyclo ‐(P 5 t Bu 4 )‐Rings als t BuCl unter Bildung des bislang unbekannten Cyclopentaphosphen‐Rings; einige wenige isolobale Cyclopenten‐21 und 1,2,3‐Triphospholen‐Komplexe22 sind hingegen bekannt. Offensichtlich reagiert t BuCl sofort mit 1 b unter Bildung von cyclo ‐(P 5 t Bu 4 H) und Isobuten, was durch eine unabhängige Umsetzung belegt werden konnte 23…”
unclassified
“…(2)]; cyclo-(P 5 tBu 4 H) is formed as a byproduct. [ a tBu group from the anionic cyclo-(P 5 tBu 4 ) ring as tBuCl with the formation of the previously unknown cyclopentaphosphene ring; however, a few isolobal cyclopentene [21] and 1,2,3-triphospholene complexes [22] are known. Clearly tBuCl reacts immediately with 1 b to form cyclo-(P 5 tBu 4 H) and isobutene, as was confirmed by an independent reaction.…”
mentioning
confidence: 99%
“…Its NMR spectra closely mirrored 4b , d , e with the exception that the 31 P NMR signal of the phospholane (δ 85.8 ppm) was not a doublet but rather an overlapping doublet of quartets with additional coupling to fluorine ( J PP = 40 Hz, J PF = 20 Hz; Figure ). This is due to interaction of the CF 3 unit with the 16-electron Ru center . Shaw reported an analogous interaction in M with strikingly similar NMR spectra (structure shown in inset of Figure ); like 6c , only the functionalized phosphine donor trans to F shows J PF coupling (68 Hz).…”
Section: Resultsmentioning
confidence: 70%
“…This is due to interaction of the CF 3 unit with the 16-electron Ru center. 33 Shaw reported an analogous interaction in M with strikingly similar NMR spectra (structure shown in inset of Figure 10); 34 like 6c, only the functionalized phosphine donor trans to F shows J PF coupling (68 Hz). Interestingly, all three F atoms in 6c and both F atoms in M are interacting with the Ru center on the NMR time scale, indicating that rotation about their sp 2 −sp 3 /sp 2 C−C bonds (shown in magenta in the inset of Figure 10) is facile and the Ru−F interaction is weak.…”
Section: ■ Results and Discussionmentioning
confidence: 99%