Synthesis and Properties of Perfluoroferrocene and Perfluororuthenocene. A Potential Class of High Temperature Materials.
Abstract
The goal of our research was to prepare decafluoroferrocene and decafluororuthenocene from permetalated precursors, to prepare mono- and disubstituted perfluorometallocenes, and to prepare and evaluate the thermal characteristics of polymers and oligomers derived from the perfluorometallocenes. In the period of support, we explored the preparation of permercurated, perlithiated, permagnesiated, perzincated, and peraluminated cyclopentadienyl complexes and examined the reactions of these species with simple electrophiles. The motivation for working with the permetalated metallocenes has been the finding that permercurated metallocenes cannot be fluorinated to give decafluorometallocenes. Most fluorinating agents are not strong enough to react with the permercurated metallocenes, while very strong fluorinating agents destroy the metallocenes. We reasoned that more reactive carbon-metal bonds would require less reactive fluorinating agents, which might lead to a successful preparation of decafluorometallocenes. Despite many attempts, it has so far not been possible to find that right combination of permetalated metallocene and electrophilic fluorinating agents that gives the perfluorometallonene.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 31, 1995
- Accession Number
- ADA307650
Entities
People
- Charles H Winter
Organizations
- Wayne State University