Charles H. Honeyman

Living anionic polymerization of phosphorus-bridged, [1]ferrocenophanes: synthesis and characterization of poly(ferrocenylphosphine) homopolymers and block copolymers

The phosphorus-bridged [1]ferrocenophane Fe(η-C5H4)2-PPh undergoes living anionic ring-opening polymerization at 25 °C in THF using BunLi as initiator to yield monodisperse poly(ferrocenylphosphines) of controlled molecular mass and novel block copolymers with potentially coordinating phosphorus atoms in one segment.

Rings, Polymers, and New Materials Containing Phosphorus and Other Main Group Main Elements or Transition Metals

Abstract Polymers which contain inorganic elements are attracting considerable attention because they provide access to materials with interesting, unusual and potentially useful properties. In this paper we emphasize some of our recent work aimed at exploiting ring-opening polymerization as a route to new inorganic and organometallic polymers containing the main group element phosphorus. For example, attempts to prepare new polymers which also contain boron are reported. In addition, recent results on the ring-opening polymerization of [1]- metallocenophanes such as cyclic ferrocenylsilanes and cyclic ferrocenylphosphines, which possess strained ring-tilted structures, are described. Finally, some recent research on poly(thionylphosphazenes), a novel class of inorganic polymers with sulphur(VI)-nitrogen-phosphorus backbones, is discussed.

Ring-Opening Polymerization as a Route to New Inorganic Macromolecules

Abstract Cyclic inorganic compounds are potential precursors to new inorganic polymer systems via ring-opening polymerization. In this paper we review some of our recent work aimed at preparing inorganic polymers containing main group elements. For example, the ring-opening polymerization of the cyclic thionylphosphazenes NSOX(NPCl2)2 (X = Cl or F) is discussed. This provides a route to poly(thionylphosphazenes), a new class of stable inorganic polymers with backbones of phosphorus, nitrogen, and sulfur(V1) atoms. We also describe some of our preliminary work aimed at the investigation of the synthesis, structure, and polymerization behaviour of boracyclosiloxanes (RBO)(R2SiO)n.

Synthesis and Solid State Properties of Poly-, Oligo-And Multidecker Metallocenes

The development of new synthetic routes to both oligomers and polymers constructed from inorganic or organometallic units is of considerable interest as a means of preparing materials with unusual and potentially useful properties. In this paper we report the synthesis of oligomeric and polymeric permethylmetallocenes. We also report on their electrochemical properties and the use of these complexes in the synthesis of magnetic charge transfer complexes.