An ylide-substituted tetraphosphene, cyclotetraphosphane, and bicyclotetraphosphane
Schrodel HP, Noth H, SchmidtAmelunxen M, Schoeller W, Schmidpeter A (1997)
CHEMISCHE BERICHTE-RECUEIL 130(12): 1801-1805.
Zeitschriftenaufsatz
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Autor*in
Schrodel, HP;
Noth, H;
SchmidtAmelunxen, M;
Schoeller, WolfgangUniBi;
Schmidpeter, A
Einrichtung
Abstract / Bemerkung
The reaction of two specific ylidyl dichlorophosphanes, Ph3P=CR-PCl2, with P(SiMe3)(3) yields the ylidyl trimethylsilyl diphosphenes Ph3P=CR-P=P-SiMe3 as primary products which form two different types of dimers: the cyclotetraphosphane 9 (R = SiMe3), and the tetraphosphene 10 (R = 2,6-Cl2C6H3). The latter compound is readily converted to the bis (ylidyl)bicyclotetraphosphane 11. The molecular structures of 9 and 11 allow a strong transanular interaction between the ylide-substituted phosphorus atoms, which results in very large two-bond coupling constants ((2)J(PP) = 184 and 332 Hz respectively). The central PP bond in 11 is relatively long (220.7 pm); quantum chemical calculations show the lengthening to be a consequence of the perpendicular orientation of the ylidic donor p-orbital.
Stichworte
NMR;
spectroscopy;
structure elucidation;
transanular interaction;
phosphene/cyclophosphane isomerism;
phosphorus ylides
Erscheinungsjahr
1997
Zeitschriftentitel
CHEMISCHE BERICHTE-RECUEIL
Band
130
Ausgabe
12
Seite(n)
1801-1805
ISSN
0009-2940
eISSN
1099-0682
Page URI
https://pub.uni-bielefeld.de/record/1626692
Zitieren
Schrodel HP, Noth H, SchmidtAmelunxen M, Schoeller W, Schmidpeter A. An ylide-substituted tetraphosphene, cyclotetraphosphane, and bicyclotetraphosphane. CHEMISCHE BERICHTE-RECUEIL. 1997;130(12):1801-1805.
Schrodel, H. P., Noth, H., SchmidtAmelunxen, M., Schoeller, W., & Schmidpeter, A. (1997). An ylide-substituted tetraphosphene, cyclotetraphosphane, and bicyclotetraphosphane. CHEMISCHE BERICHTE-RECUEIL, 130(12), 1801-1805. https://doi.org/10.1002/cber.19971301215
Schrodel, HP, Noth, H, SchmidtAmelunxen, M, Schoeller, Wolfgang, and Schmidpeter, A. 1997. “An ylide-substituted tetraphosphene, cyclotetraphosphane, and bicyclotetraphosphane”. CHEMISCHE BERICHTE-RECUEIL 130 (12): 1801-1805.
Schrodel, H. P., Noth, H., SchmidtAmelunxen, M., Schoeller, W., and Schmidpeter, A. (1997). An ylide-substituted tetraphosphene, cyclotetraphosphane, and bicyclotetraphosphane. CHEMISCHE BERICHTE-RECUEIL 130, 1801-1805.
Schrodel, H.P., et al., 1997. An ylide-substituted tetraphosphene, cyclotetraphosphane, and bicyclotetraphosphane. CHEMISCHE BERICHTE-RECUEIL, 130(12), p 1801-1805.
H.P. Schrodel, et al., “An ylide-substituted tetraphosphene, cyclotetraphosphane, and bicyclotetraphosphane”, CHEMISCHE BERICHTE-RECUEIL, vol. 130, 1997, pp. 1801-1805.
Schrodel, H.P., Noth, H., SchmidtAmelunxen, M., Schoeller, W., Schmidpeter, A.: An ylide-substituted tetraphosphene, cyclotetraphosphane, and bicyclotetraphosphane. CHEMISCHE BERICHTE-RECUEIL. 130, 1801-1805 (1997).
Schrodel, HP, Noth, H, SchmidtAmelunxen, M, Schoeller, Wolfgang, and Schmidpeter, A. “An ylide-substituted tetraphosphene, cyclotetraphosphane, and bicyclotetraphosphane”. CHEMISCHE BERICHTE-RECUEIL 130.12 (1997): 1801-1805.
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