Abstract
Organokatalyse er et felt i vekst etter at det ble gjenoppdaget rundt år 2000. Samtidig har immobilisert organokatalyse også blitt viet mer oppmerksomhet de siste ti årene. Til nå har det vært vanlig å immobilisere organokatalysatorer ved å feste dem til en kommersielt tilgjengelig polymer.
Dette arbeidet omhandler immobilisering av organokatalysatoren (S)‐2‐
(difenyl(trimetylsilyloksy)metyl)pyrrolidin ved å kopolymerisere et akrylisk derivat med styren eller metakrylater til dannelse av kryssbundne polymerkuler.
Det er etablert en skalerbar synteserute for et immobiliserbart akrylat av (S)‐2‐ (difenyl(trimetylsilyloksy)metyl)pyrrolidin og den immobiliserte katalysatoren er vist å ha katalytisk aktivitet.
After its rediscovery around year 2000, organocatalysis is an emerging field. Immobilised organocatalysis has also gained much interest the last ten years. Until now, the common practice for the immobilisation of an organic catalyst has been to attach it onto a commercially available polymer.
This work demonstrates the immobilisation of the organic catalyst (S)‐2‐
(diphenyl(trimethylsilyloxy)methyl)pyrrolidine by co‐polymerising an acrylic derivative with styrene or methacrylates to form catalytically active crosslinked polymer beads.
A scalable synthesis for an immobilisable acrylic derivative of (S)‐2‐
(diphenyl(trimethylsilyloxy)methyl)pyrrolidine is established, and the
immobilised catalyst is shown to have catalytic activity.