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Cover Picture: Alkali and Alkaline Earth Metal Complexes as Versatile Catalysts for Ring‐Opening Polymerization of Cyclic Esters (Chem. Rec. 8/2021)
Author(s) -
Bhattacharjee Jayeeta,
Sarkar Alok,
Panda Tarun K.
Publication year - 2021
Publication title -
the chemical record
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.61
H-Index - 78
eISSN - 1528-0691
pISSN - 1527-8999
DOI - 10.1002/tcr.202180801
Subject(s) - polymerization , alkaline earth metal , catalysis , chemistry , alkali metal , ring opening polymerization , ring (chemistry) , polyester , transition metal , ligand (biochemistry) , polymer chemistry , lactide , combinatorial chemistry , organic chemistry , polymer , biochemistry , receptor
The cover picture shows the design of a series of new catalysts based on complexation of earth abundant alkali and alkaline earth metals with different functionalized ligand systems to achieve synthesis of polyesters. Various functionalized cyclic esters were efficiently polymerized in a controlled, efficient, and predictable manner. The fact that these complexes can selectively catalyze the ring opening polymerization of readily available racemic lactide to give isoselective polylactides make them attractive eco‐friendly alternatives to rare earth and transition‐metal catalysts. See the Personal Account by T. K. Panda and co‐workers (DOI: 10.1002/tcr.202100148).