Alkaline Earth Metal-Mediated Highly Iso-selective ROP of rac-Lactide

Bhattacharjee, Jayeeta and Harinath, Adimulam and Panda, Tarun K and et al, . (2020) Alkaline Earth Metal-Mediated Highly Iso-selective ROP of rac-Lactide. Chemistry An Asian journal. ISSN 1861-471X

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Abstract

Alkaline earth (Ae) metal complexes of the amidophosphine borane ligand are highly active and iso-selective catalysts for the ring opening polymerization (ROP) of rac -lactide (LA). The polymerization reactions are well controlled and produce polylactides with molecular weights that are precise and narrowly distributed. Kinetic studies reveal that the ROP of rac -LA catalyzed by all Ae metal complexes had first-order dependency on LA concentration as well as catalyst concentration. A plausible reaction mechanism for Ae metal complex-mediated ROP of rac -LA is discussed, based on controlled kinetic experiments and molecular chain mobility.

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IITH Creators:	IITH Creators ORCiD Panda, Tarun K http://orcid.org/0000-0003-0975-0118
Item Type:	Article
Subjects:	Chemistry
Divisions:	Department of Chemistry
Depositing User:	Team Library
Date Deposited:	13 Feb 2020 04:22
Last Modified:	13 Feb 2020 04:22
URI:	http://raiithold.iith.ac.in/id/eprint/7429
Publisher URL:	http://doi.org/10.1002/asia.201901751
Related URLs:	Google Scholar

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