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ORGANOMETALLIC NITROSYL CHEMISTRY .43. SYNTHESIS AND CHARACTERIZATION OF CHIRAL MOLYBDENUM AND TUNGSTEN NEUTRAL COMPLEXES CONTAINING ETA-2-BENZYL LIGANDS

TitleORGANOMETALLIC NITROSYL CHEMISTRY .43. SYNTHESIS AND CHARACTERIZATION OF CHIRAL MOLYBDENUM AND TUNGSTEN NEUTRAL COMPLEXES CONTAINING ETA-2-BENZYL LIGANDS
Publication TypeJournal Article
Year of Publication1991
AuthorsDryden, NH, Legzdins, P, Trotter, J, Yee, VC
JournalOrganometallics
Volume10
Pagination2857-2870
Date PublishedAug
Type of ArticleArticle
ISBN Number0276-7333
Keywordsallyl, BARRIERS, BENZYL COMPLEXES, COMPLEXES, CRYSTAL-STRUCTURE, DYNAMICS, ETA-5-C5H5, ISOMERS, MECHANISM, MOLECULAR-STRUCTURE, OXIDE
Abstract

{Reaction of Cp’M(NO)Cl2 (Cp’ = Cp (eta-5-C5H5) or Cp* (eta-5-C5Me5); M = Mo or W) with 2 equiv of p-XylMgCl (p-Xyl = p-MeC6H4CH2) affords the corresponding bis(p-xylyl) complexes in good yields. Subsequent treatment of the Cp’M(NO)(CH2Ar)2 compounds (CH2Ar = CH2Ph or p-Xyl) with HCl produces the new isolable Cp’M(NO)(CH2Ar)Cl species. These, in turn, undergo metathesis reactions with RMgCl or R2Mg(dioxane)2 reagents and convert to Cp’M(NO)(CH2Ar)R (R = CH2SiMe3, CH2CMe3 (Npt), or C6H4CH3 (p-Tol)). All new complexes isolated during this work have been fully characterized by conventional spectroscopic methods. Single-crystal X-ray crystallographic analyses have been performed on two prototypal complexes, namely Cp*Mo(NO)(CH2Ph)Cl and Cp*Mo(NO)(CH2Ph)(CH2SiMe3). Crystal data for Cp*Mo(NO)(CH2Ph)Cl: a = 9.3451 (16) angstrom

URL<Go to ISI>://A1991GA27500061