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Aluminum Salen Complexes Modified with Unsaturated Alcohol: Synthesis, Characterization, and Their Activity towards Ring-Opening Polymerization of ε-Caprolactone and ID/I,IL/I-Lactide

Molecules (Basel, Switzerland), 2023-01, Vol.28 (3) [Peer Reviewed Journal]

COPYRIGHT 2023 MDPI AG ;ISSN: 1420-3049 ;EISSN: 1420-3049 ;DOI: 10.3390/molecules28031262

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  • Title:
    Aluminum Salen Complexes Modified with Unsaturated Alcohol: Synthesis, Characterization, and Their Activity towards Ring-Opening Polymerization of ε-Caprolactone and ID/I,IL/I-Lactide
  • Author: Zaitsev, Kirill V ; Trubachev, Andrey D ; Oprunenko, Yuri F ; Piskun, Yuliya A ; Vasilenko, Irina V ; Churakov, Andrei V ; Kostjuk, Sergei V
  • Subjects: Polymerization
  • Is Part Of: Molecules (Basel, Switzerland), 2023-01, Vol.28 (3)
  • Description: A highly efficient one-step approach to the macromonomer synthesis using modified aluminum complexes as catalysts of ring-opening polymerization (ROP) of ε-caprolactone and D,L-lactide was developed. The syntheses, structures, and catalytic activities of a wide range of aluminum salen complexes, 3a-c, functionalized with unsaturated alcohol (HO(CH[sub.2])[sub.4]OCH=CH[sub.2]) are reported. X-Ray diffraction studies revealed a tetragonal pyramidal structure for 3c. Among the complexes 3a-c, the highest activity in bulk ROP of ε-caprolactone and D,L-lactide was displayed by 3b, affording polyesters with controlled molecular weights at low monomer to initiator ratios (Mn up to 15,000 g mol[sup.−1]), relatively high polydispersities (Ð~1.8) and high number-average functionalities (Fn up to 85%).
  • Publisher: MDPI AG
  • Language: English
  • Identifier: ISSN: 1420-3049
    EISSN: 1420-3049
    DOI: 10.3390/molecules28031262
  • Source: Geneva Foundation Free Medical Journals at publisher websites
    PubMed Central
    Alma/SFX Local Collection
    ProQuest Central
    DOAJ Directory of Open Access Journals

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