Sachdeva G, Bamal Y, Ladan A, Tiwari OS, Rawat V, Yadav P, Verma VP. Calixarene-Metal Complexes in Lactide Polymerization: The Story so Far.
ACS OMEGA 2023;
8:13479-13491. [PMID:
37091416 PMCID:
PMC10116533 DOI:
10.1021/acsomega.2c08028]
[Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 03/28/2023] [Indexed: 05/03/2023]
Abstract
Polylactide synthetic procedures have lately gained attention, possibly due to their biocompatibility and the environmental problems associated with fossil-fuel-based polymers. Polylactides can be obtained from natural sources such as cassava, corn, and sugar beet, and polylactides can be manufactured in a laboratory using a variety of processes that begin with lactic acid or lactide. One of the most effective synthetic pathways is through a Lewis acid catalyzed ring-opening polymerization of lactides to obtain a well-defined polymer. In this regard, calixarenes, because of their easy functionalization and tunable properties, have been widely considered to be a suitable 3D molecular scaffold for new metal complexes that can be used for lactide polymerization. This review summarizes the progress made in applying some metal-calixarene complexes in the ring-opening polymerization of lactide.
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