INORGANIC COORDINATION POLYMERS. III. SUBSTITUTION-ADDITION LEADING TO DIMER FORMATION
Abstract
The substitution-addition reactions of excess beryllium(II) and chromium(III) acetylacetonates with diphenylphosphinic acid carried out in melts yield the dimers (Be(C5H7O2)(OP(C6H5)2O))2 and (Cr(C5H7O2)2(OP(C6H5)2O))2 in which the diphenylphosphinate anion acts as a catenating group, rather than a chelating ligand, forming double bridges between the central metallic atoms. Cyclic oligomers are formed in preference to linear polymers under these conditions. The thermal decomposition of these dimers proceeds via initial disproportionation to th respective acetylacetonates and Be(OP(C6H5)2O)2 or Cr(C5H7O )(OP(C6H5)2O)2. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1962
- Accession Number
- AD0278462
Entities
People
- B.p. Block
- E.s. Roth