Abstract
A series of well-defined mono- and dimeric Zn(ii)-complexes were prepared and fully characterised by X-ray crystallography and NMR spectroscopy.
Highlights
Paper recycling.4,7 Mechanical recycling is one possible solution but is limited by eventual material downgrading due to thermomechanical degradation, resulting in material repurposing to applications that require polymer of lower quality
Petrus et al.43 prepared a series of lactate esters from a variety of different alcohols, reporting reaction temperatures as low as 80 °C in the presence of earth abundant metal-based catalysts, including Mg(II) and Ca(II)
A range of simple Schiff-base ligands were prepared via an imine condensation reaction (Scheme 2) and characterised by 1H NMR spectroscopy and mass spectrometry.1H NMR singlets at ca. δ = 8 and 14 ppm were assigned to characteristic HCvN and O–H resonances respectively
Summary
Paper recycling.4,7 Mechanical recycling is one possible solution but is limited by eventual material downgrading due to thermomechanical degradation, resulting in material repurposing to applications that require polymer of lower quality. We report the synthesis of a series of mono- and dimeric Zn(II)-Schiff-base complexes, and their application to the ROP of rac-lactide in both solution and under industrially preferred melt conditions is demonstrated. All initiators demonstrated rapid polymerisation at 130 °C, achieving high conversion within minutes {[rac-LA] : [Init] : [BnOH] = 300 : 1 : 1} (Table 2).
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
