The bridging methylidyne clusters [Co-3(CO)(9)(eta(1)-mu(3)-[CP(O)(OR)(2)])] 1 (R = Et) and 3 (R = SiMe3) with alpha-phosphoryl substituents have been synthesized by reaction of Cl3C-P(O)(OR)(2) with Co-2(CO)(8), followed by protonation. Cluster 3 was also obtained by the reaction of 1 with Me3SiBr. The structure of 1 has been determined by X-ray crystallography. The donor properties of the P=O function toward Lewis acids such as [Cp2MCl](+) (M = Ti, Zr) were used to assemble early-late metal systems. (C) 1997 Elsevier Science S.A.
Carbonyl clusters with a capping methylidyne phosphonate ligand - Crystal structure of [Co-3(CO)(9){eta(1)-mu(3)-[CP(O)(OEt)(2)]}] / Braunstein, P; Graiff, C; Morise, X; Tiripicchio, A. - In: JOURNAL OF ORGANOMETALLIC CHEMISTRY. - ISSN 0022-328X. - 541:1-2(1997), pp. 417-422. [10.1016/S0022-328X(97)00118-6]
Carbonyl clusters with a capping methylidyne phosphonate ligand - Crystal structure of [Co-3(CO)(9){eta(1)-mu(3)-[CP(O)(OEt)(2)]}]
Braunstein, P;Graiff, C;Tiripicchio, A
1997-01-01
Abstract
The bridging methylidyne clusters [Co-3(CO)(9)(eta(1)-mu(3)-[CP(O)(OR)(2)])] 1 (R = Et) and 3 (R = SiMe3) with alpha-phosphoryl substituents have been synthesized by reaction of Cl3C-P(O)(OR)(2) with Co-2(CO)(8), followed by protonation. Cluster 3 was also obtained by the reaction of 1 with Me3SiBr. The structure of 1 has been determined by X-ray crystallography. The donor properties of the P=O function toward Lewis acids such as [Cp2MCl](+) (M = Ti, Zr) were used to assemble early-late metal systems. (C) 1997 Elsevier Science S.A.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
