| | 1 | Author
| DavidJ. Brauer, F. Rank, D. Örrenbach, Jörg Fischer, O. Thm, Ar Stelzer | Requires cookie* | | | Title
| Synthese von Phosphaalkenclustern durch reduktive Phosphinidenfragmentierung zweizähniger Halogenphosphane R X P -C H 2-P X R mit Fe2(CO) 9 Synthesis of Phosphaalkene Clusters by Reductive Phosphinidene Fragm entation of Bidentate Halogenphosphines R X P -C H 2-P X R with Fe2(CO)9 F rank Bitterer  | | | | Abstract
| Reaction o f halogen functional m ethylenebisphosphines 1 X R P -C H 2-P R X (X = CI, Br) with excess Fe2(CO)9 affords /^-phosphinidene clusters (5) containing phosphaalkene ligands R -P = C H 2. The fragmentation o f the P -C -P skeletons in 1 proceeds stepwise, phosphido complexes 2 and novel Fe3 clusters 3 with R P -C H 2-P R bridging units being formed as inter mediates o f the oxidative addition reductive elim ination process. The X-ray structural analysis for 5 b (R = N E t2) reveals an Fe3(C O)9PR butterfly core to which the phosphaalkene ligand R -P = C H 2 (P = C bond length 1.766(4) Ä) is coordinated in a //3,^-m anner. In case o f meth ylenebisphosphines 1 with bulky substituents (R = 2,4,6-/Pr3C6H 2) the phosphinidene frag mentation o f the P -C -P skeleton is accompanied by the form ation o f 2,3-dihydrobenzo[b]-phosphole ligands. | | | |
Reference
| Z. Naturforsch. 47b, 1529 (1992); eingegangen am 7. Januar 1992 | | | |
Published
| 1992 | | | |
Keywords
| Phosphinidene Fragmentation, Bifunctional Chlorophosphines, D ehalogenation, Phosphaalkenes, Clusters | | | |
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| default:Reihe_B/47/ZNB-1992-47b-1529.pdf | | | | Identifier
| ZNB-1992-47b-1529 | | | | Volume
| 47 | |
| 2 | Author
| DavidJ. Brauer, SibbeleH. Ietkam, H. Erbert Sommer, O. Thm, Ar Stelzer | Requires cookie* | | | Title
| Lineare Oligophosphaalkane, XII [1] PH-funktionelle Methylenbisphosphane — eine Quelle für Phosphinidene und Phosphoratome in Clustern und Fe4P-Spiroverbindungen Linear O ligophosphaalkanes, XII [1] PH-Functional M ethylenebisphosphanes — a Source of Phosphinidenes and Phosphorus Atom s in Clusters and Fe4P Spiro Compounds | | | |
Reference
| Z. Naturforsch. 40b, 1677—1690 (1985); eingegangen am 29. Mai 1985 | | | |
Published
| 1985 | | | |
Keywords
| PH-Functional M ethylenebisphosphanes, Phosphinidene Fragmentation, Linear O ligophosphaalkanes Benzyl D erivatives, a-M etallation | | | |
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| default:Reihe_B/40/ZNB-1985-40b-1677.pdf | | | | Identifier
| ZNB-1985-40b-1677 | | | | Volume
| 40 | |
| 3 | Author
| FrankB. Itterer, S. Tefan, K. Ucken, KlausP. Langhans, O. Th, Ar Stelzer, W. S. Sheldrick | Requires cookie* | | | Title
| Fragmentierung und Zyklisierung disekundärer Methylenbisphosphane mit sperrigen aromatischen Resten in Fe3-und Ru3-Clustern | | | | Abstract
| L inear O ligophosphaalkanes, X X V II [1] F rag m en tatio n and Cyclization of D isecondary M ethylenebisphosphanes with Bulky A ro m atic Substituents in F e3 and R u 3 C lusters | | | |
Reference
| Z. Naturforsch. 49b, 1223—1238 (1994); eingegangen am 8. März 1994 | | | |
Published
| 1994 | | | |
Keywords
| D isecondary M ethylenebisphosphanes, Bulky Aromatic Substituents, Phosphinidene Fragmentation, Cyclization, 2, 3-Dihydrobenzo[b]phospholes | | | |
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| 49 | |
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