Accession Number:

ADA317459

Title:

Main Group Compounds as Amphoteric Ligands to Transition Metals. Synthesis and Molecular Structure of Cr(CO)5 PPh2CH2Ga (CH2CMe3)2. NMe3.

Descriptive Note:

Technical rept.,

Corporate Author:

STATE UNIV OF NEW YORK AT BUFFALO DEPT OF CHEMISTRY

Report Date:

1996-07-10

Pagination or Media Count:

26.0

Abstract:

The reactivities of the group 13 compounds, R2MCH2PPh2 and R2MPPh2, as amphoteric ligands to transition metals have been investigated. The ligands R2MCH2PPh2 R CH2CMe3, CH2SiMe3 M Ga, In reacted readily with CrCO5NMe3 in benzene solution to form CrCO5PPh2CH2MR2-NMe3 whereas for ligands of the type R2MPPh2 R CH2CMe3, CH2SiMe3 M Al, Ga, In, only the two aluminum compounds and Me3CCH22GaPPh2 formed isolable products of the type CrCO5PPh2MR2-NMe3. However, the gallium and indium ligands with trimethylsilylmethyl substituents Me3SiCH22MPPh2 reacted with NEt4MTCO5Cl MT Cr, Mo, W to form products of the type NEt4MTCO5PPh2MR2Cl. All new compounds were characterized by their physical properties, C and H analyses, and 1H and 31P NMR and IR spectral properties. The identity of NEt4CrCO5PPh2InCH2SiMe32Cl was further confirmed by the subsequent identification of products from reactions with anhydrous HCl and with MeI. In addition, CrCO5PPh2CH2GaCH2CMe32.NMe3 was characterized by an X-ray structural study.

Subject Categories:

  • Inorganic Chemistry
  • Organic Chemistry
  • Physical Chemistry
  • Atomic and Molecular Physics and Spectroscopy

Distribution Statement:

APPROVED FOR PUBLIC RELEASE