Intramolecular amine coordination versus NMe C‐H Activation: The stereoselective synthesis of a tantala(V)azacyclopropane complex
- 1 January 1990
- journal article
- research article
- Published by Wiley in Recueil des Travaux Chimiques des Pays-Bas
- Vol. 109 (5) , 361-363
- https://doi.org/10.1002/recl.19901090509
Abstract
A stereoselective C‐H activation reaction of a NMe group of [Ta{C6H4CH(Me)NMe2−2}‐(CH2Ph)2Cl2 (1b) affords toluene and a species which was isolated as the new pentagonal bipyramidal Ta(V) tetrahydrofuran (THF) adduct [Ta{C6H4(CH(Me)N(Me)CH2)‐2}(CH2Ph)Cl2‐ (THF)] (2). The chirality of the arylamine leads to a single structurally characterized diastereoisomer in which intramolecular coordination of the modified amine group produces a triangular Ta‐CH2‐N unit.Keywords
This publication has 10 references indexed in Scilit:
- Activation of sp3-carbon-hydrogen bonds in a mono(pentamethylcyclopentadienyl)yttrium complex. X-ray crystal structures and dynamic behavior of Cp*Y(o-C6H4CH2NMe2)2 and Cp*Y[o-C6H4CH2NMe(CH2-.mu.)][.mu.-o-C6H4CH2NMe(CH2-.mu.)]YCp*[THF]Organometallics, 1989
- Evidence for intramolecular carbon-hydrogen bond activation and the formation of a tucked-in complex of hexamethylbenzene at a tantalum(III) centerJournal of the American Chemical Society, 1989
- The first intramolecularly co-ordinated aryl tantalum compounds with amine donors: synthesis and X-ray crystal structure of [Ta{C6H4CH(R)NMe2-2}(CH2Ph)2Cl2](R = H, Me)Journal of the Chemical Society, Chemical Communications, 1989
- Cyclometalation chemistry of aryl oxide ligationAccounts of Chemical Research, 1988
- Alpha- and beta-migratory insertion and elimination processes for alkyl complexes of permethyl-scandocene and permethyltantaloceneJournal of Molecular Catalysis, 1987
- The activation of carbon-hydrogen bondsPublished by Walter de Gruyter GmbH ,1985
- Catalysis by Transition Metals: Metal-Carbon Double and Triple BondsScience, 1983
- Two reactions of bis(diphenylphosphino)acetylene with Ta2Cl6(SMe2)3. Dinuclear products with coupled acetylenes and P-Ta-C or P-Ta:C ringsOrganometallics, 1982
- Multiple metal-carbon bonds. 19. How niobium and tantalum complexes of the type M(CHCMe3)(PR3)2Cl3 can be modified to give olefin metathesis catalystsJournal of the American Chemical Society, 1981
- Niobium and tantalum mesityl complexes and the role of the mesityl ligand in α- and γ-hydrogen abstraction reactionsJournal of Organometallic Chemistry, 1979