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  • Title: From NMP to RAFT and thiol-ene chemistry by in situ functionalization of nitroxide chain ends.
    Author: Petton L, Ciolino AE, Stamenović MM, Espeel P, Du Prez FE.
    Journal: Macromol Rapid Commun; 2012 Aug 14; 33(15):1310-5. PubMed ID: 22628191.
    Abstract:
    A straightforward, novel strategy based on the in situ functionalization of polymers prepared by nitroxide-mediated polymerization (NMP), for the use as an extension toward block copolymers and post-polymerization modifications, has been investigated. The nitroxide end group is exchanged for a thiocarbonylthio end group by a rapid transfer reaction with bis(thiobenzoyl) disulfide to generate in situ reversible addition-fragmentation chain transfer (RAFT) macroinitiators. Moreover, not only have these macroinitiators been used in chain extension and block copolymerization experiments by the RAFT process but also a thiol-terminated polymer is synthesized by aminolysis of the RAFT end group and subsequently reacted with dodecyl vinyl ether by thiol-ene chemistry.
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