---
_id: '13185'
abstract:
- lang: eng
  text: Abstract Polylactide is a biodegradable versatile material based on annually
    renewable resources and thus CO2-neutral in its lifecycle. Until now, tin(II)octanoate
    [Sn(Oct2)] was used as catalyst for the industrial ring-opening polymerization
    of lactide in spite of its cytotoxicity. On the way towards a sustainable catalyst,
    three iron(II) hybrid guanidine complexes were investigated concerning their molecular
    structure and applied to the ring-opening polymerization of lactide. The complexes
    could polymerize unpurified technical-grade rac-lactide as well as recrystallized
    l-lactide to long-chain polylactide in bulk with monomer/initiator ratios of more
    than 5000:1 in a controlled manner following the coordination–insertion mechanism.
    For the first time, a biocompatible complex has surpassed Sn(Oct)2 in its polymerization
    activity under industrially relevant conditions.
author:
- first_name: Ruth D.
  full_name: Rittinghaus, Ruth D.
  last_name: Rittinghaus
- first_name: Pascal M.
  full_name: Schäfer, Pascal M.
  last_name: Schäfer
- first_name: Pascal
  full_name: Albrecht, Pascal
  last_name: Albrecht
- first_name: Christian
  full_name: Conrads, Christian
  last_name: Conrads
- first_name: Alexander
  full_name: Hoffmann, Alexander
  last_name: Hoffmann
- first_name: Agnieszka N.
  full_name: Ksiazkiewicz, Agnieszka N.
  last_name: Ksiazkiewicz
- first_name: Olga
  full_name: Bienemann, Olga
  last_name: Bienemann
- first_name: Andrij
  full_name: Pich, Andrij
  last_name: Pich
- first_name: Sonja
  full_name: Herres-Pawlis, Sonja
  last_name: Herres-Pawlis
citation:
  ama: 'Rittinghaus RD, Schäfer PM, Albrecht P, et al. New Kids in Lactide Polymerization:
    Highly Active and Robust Iron Guanidine Complexes as Superior Catalysts. <i>ChemSusChem</i>.
    2019;12(10):2161-2165. doi:<a href="https://doi.org/10.1002/cssc.201900481">10.1002/cssc.201900481</a>'
  apa: 'Rittinghaus, R. D., Schäfer, P. M., Albrecht, P., Conrads, C., Hoffmann, A.,
    Ksiazkiewicz, A. N., … Herres-Pawlis, S. (2019). New Kids in Lactide Polymerization:
    Highly Active and Robust Iron Guanidine Complexes as Superior Catalysts. <i>ChemSusChem</i>,
    <i>12</i>(10), 2161–2165. <a href="https://doi.org/10.1002/cssc.201900481">https://doi.org/10.1002/cssc.201900481</a>'
  bibtex: '@article{Rittinghaus_Schäfer_Albrecht_Conrads_Hoffmann_Ksiazkiewicz_Bienemann_Pich_Herres-Pawlis_2019,
    title={New Kids in Lactide Polymerization: Highly Active and Robust Iron Guanidine
    Complexes as Superior Catalysts}, volume={12}, DOI={<a href="https://doi.org/10.1002/cssc.201900481">10.1002/cssc.201900481</a>},
    number={10}, journal={ChemSusChem}, author={Rittinghaus, Ruth D. and Schäfer,
    Pascal M. and Albrecht, Pascal and Conrads, Christian and Hoffmann, Alexander
    and Ksiazkiewicz, Agnieszka N. and Bienemann, Olga and Pich, Andrij and Herres-Pawlis,
    Sonja}, year={2019}, pages={2161–2165} }'
  chicago: 'Rittinghaus, Ruth D., Pascal M. Schäfer, Pascal Albrecht, Christian Conrads,
    Alexander Hoffmann, Agnieszka N. Ksiazkiewicz, Olga Bienemann, Andrij Pich, and
    Sonja Herres-Pawlis. “New Kids in Lactide Polymerization: Highly Active and Robust
    Iron Guanidine Complexes as Superior Catalysts.” <i>ChemSusChem</i> 12, no. 10
    (2019): 2161–65. <a href="https://doi.org/10.1002/cssc.201900481">https://doi.org/10.1002/cssc.201900481</a>.'
  ieee: 'R. D. Rittinghaus <i>et al.</i>, “New Kids in Lactide Polymerization: Highly
    Active and Robust Iron Guanidine Complexes as Superior Catalysts,” <i>ChemSusChem</i>,
    vol. 12, no. 10, pp. 2161–2165, 2019.'
  mla: 'Rittinghaus, Ruth D., et al. “New Kids in Lactide Polymerization: Highly Active
    and Robust Iron Guanidine Complexes as Superior Catalysts.” <i>ChemSusChem</i>,
    vol. 12, no. 10, 2019, pp. 2161–65, doi:<a href="https://doi.org/10.1002/cssc.201900481">10.1002/cssc.201900481</a>.'
  short: R.D. Rittinghaus, P.M. Schäfer, P. Albrecht, C. Conrads, A. Hoffmann, A.N.
    Ksiazkiewicz, O. Bienemann, A. Pich, S. Herres-Pawlis, ChemSusChem 12 (2019) 2161–2165.
date_created: 2019-09-11T10:58:09Z
date_updated: 2022-01-06T06:51:30Z
doi: 10.1002/cssc.201900481
intvolume: '        12'
issue: '10'
keyword:
- bioplastics
- guanidines
- iron
- lactide
- ring-opening polymerization
language:
- iso: eng
page: 2161-2165
project:
- _id: '52'
  name: Computing Resources Provided by the Paderborn Center for Parallel Computing
publication: ChemSusChem
status: public
title: 'New Kids in Lactide Polymerization: Highly Active and Robust Iron Guanidine
  Complexes as Superior Catalysts'
type: journal_article
user_id: '40778'
volume: 12
year: '2019'
...