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Phosphasalen Indium Complexes Showing High Rates and Isoselectivities in Rac-Lactide Polymerisations

Abstract:
Polylactide (PLA) is the leading bioderived polymer, produced commercially by the metal catalysed ring-opening polymerisation of lactide. Control over tacticity to produce stereoblock PLA, from rac-lactide, improves thermal properties but is an outstanding challenge. Here, phosphasalen indium catalysts combine high rates (30 ± 3 M-1 min-1, THF, 298 K), high control, low loadings (0.2 mol%) and isoselectivity (Pi = 0.92, THF, 258 K). Furthermore, the phosphasalen indium catalysts do not feature any chiral additives.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1002/anie.201701745

Authors


White, AJP More by this author
Forsyth, CM More by this author
More by this author
Institution:
University of Oxford
Department:
Trinity College
Imperial College London More from this funder
Publisher:
Wiley Publisher's website
Journal:
Angewandte Chemie International Edition Journal website
Volume:
56
Issue:
19
Pages:
5277–5282
Publication date:
2017-04-24
Acceptance date:
2017-03-03
DOI:
EISSN:
1521-3757
ISSN:
1433-7851
Pubs id:
pubs:686118
URN:
uri:26bf6e58-00ce-4118-8c53-4dd07bd18610
UUID:
uuid:26bf6e58-00ce-4118-8c53-4dd07bd18610
Local pid:
pubs:686118

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