... 1980. Printed in Great Britain PHASE TRANSFER CATALYSED POLYMER-SUPPORTED WITTIG REACTIONS Stephen D. Clarke, Charles R. Harrison, and Philip Hodge * Chemistry Department, University of Lancaster, Lancashire ABSTRACT : Arylsubstituted olefins can be prepared in high yield using phase transfer catalysed polymer-supported Wittig reactions. ... prepare Phosphonium Compound Time Salt Of d Olefin ...