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Synfacts 2007(7): 0702-0702
DOI: 10.1055/s-2007-968653
DOI: 10.1055/s-2007-968653
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart · New York
One-Pot Tandem Synthesis of a Core-Shell Brush Copolymer
C. Cheng, E. Khoshdel, K. L. Wooley*
Washington University, Saint Louis, USA and Unilever Research, Bebington, UK
Further Information
Publication History
Publication Date:
22 June 2007 (online)
Significance
A core-shell brush copolymer (5) was prepared from small molecule reactants through one-pot tandem synthesis. Ring-opening-metathesis polymerization (ROMP) of the exo-norbornene-functionalized reversible addition-fragmentation chain-transfer (RAFT) agent 3, followed by RAFT copolymerization of styrene (St) and maleic anhydride (MAn) provided polymer 4, which was characterized by NMR spectroscopy, DSC, and GPC. Hydrolyzing the MAn units in 4 into hydrophilic maleic acid units converted polymer 4 into target amphiphilic core-shell brush copolymer 5.