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Title: SuFEx‐Based Polysulfonate Formation from Ethenesulfonyl Fluoride–Amine Adducts

Journal Article · · Angewandte Chemie
 [1];  [2];  [3];  [4];  [4];  [4];  [5];  [5];  [6];  [6];  [6];  [4];  [7]
  1. Department of Chemical Physiology The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA, Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
  2. Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA, College of Chemistry, Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University Suzhou 215123 P.R. China
  3. Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA, Department of Applied Chemistry School of Food Science and Biotechnology Zhejiang Gongshang University Hangzhou 310018 P.R. China
  4. Department of Chemistry The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA
  5. The Molecular Foundry Lawrence Berkeley National Laboratory Berkeley CA 94720 USA
  6. College of Chemistry, Chemical Engineering and Materials Science Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University Suzhou 215123 P.R. China
  7. Department of Chemical Physiology The Scripps Research Institute 10550 North Torrey Pines Road La Jolla CA 92037 USA

Abstract The SuFEx‐based polycondensation between bisalkylsulfonyl fluorides (AA monomers) and bisphenol bis( t ‐butyldimethylsilyl) ethers (BB monomers) using [Ph 3 P=N−PPh 3 ] + [HF 2 ] as the catalyst is described. The AA monomers were prepared via the highly reliable Michael addition of ethenesulfonyl fluoride and amines/anilines while the BB monomers were obtained from silylation of bisphenols by t ‐butyldimethylsilyl chloride. With these reactions, a remarkable diversity of monomeric building blocks was achieved by exploiting readily available amines, anilines, and bisphenols as starting materials. The SuFEx‐based polysulfonate formation reaction exhibited excellent efficiency and functional group tolerance, producing polysulfonates with a variety of side chain functionalities in >99 % conversion within 10 min to 1 h. When bearing an orthogonal group on the side chain, the polysulfonates can be further functionalized via click‐chemistry‐based post‐polymerization modification.

Sponsoring Organization:
USDOE
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1374471
Journal Information:
Angewandte Chemie, Journal Name: Angewandte Chemie Vol. 129 Journal Issue: 37; ISSN 0044-8249
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
Germany
Language:
English

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