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Niobium and Tantalum Diphosphanato Complexes: Synthesis, Structure, and NMR Studies of Cp 2 MH[(PR) 2 ] (R = Ph, Cy, H)

✍ Scribed by Etkin, Nola; Benson, Michael T.; Courtenay, Silke; McGlinchey, Michael J.; Bain, Alex D.; Stephan, Douglas W.


Book ID
125953909
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
315 KB
Volume
16
Category
Article
ISSN
0276-7333

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Organometallic Niobium and Tantalum Comp
✍ Steffen Blaurock; Evamarie Hey-Hawkins 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 German ⚖ 173 KB 👁 2 views

The reaction of [Cp\*MCl 4 ] (M ϭ Nb, Ta; Cp\* ϭ C 5 Me 5 ) with PH 2 R in toluene at room temperature gives the primary phosphine complexes [Cp\*MCl 4 (PH 2 R)] [Cp\* ϭ C 5 Me 5 ; M ϭ Nb: R ϭ Bu t (1a), Ad (2a), Cy (3a), Ph (4a), 2,4,6-Me 3 C 6 H 2 (Mes) (5a); M ϭ Ta: R ϭ Bu t (1b), Ad (2b), Cy (3b