Formation of bis-benzimidazole and bis-benzoxazole through organocatalytic depolymerization of poly(ethylene terephthalate) and its mechanism
Kazuki Fukushima, Gavin O. Jones, Hans W. Horn, Julia E. Rice, Takashi Kato, James L. Hedrick
Abstract
One-pot syntheses of bis-benzimidazole and bis-benzoxazole from poly(ethylene terephthalate) waste bottles were successful through two-step nucleophilic attacks promoted by TBD.
Topics & Concepts
BenzoxazoleBenzimidazoleDepolymerizationPoly ethyleneEthyleneChemistryNucleophilePolymer chemistryOrganic chemistryCatalysisbiodegradable polymer synthesis and propertiesSynthetic Organic Chemistry MethodsCatalytic Cross-Coupling Reactions