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Substituent Effects on Transient, Carbodiimide-Induced Geometry Changes in Diphenic Acids

https://doi.org/10.1021/acs.joc.1c01385

Jayalath, Isuru M. ; Gerken, Madelyn M. ; Mantel, Georgia ; Hartley, C. Scott ( September 2021 , The Journal of Organic Chemistry)
null (Ed.)
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Chemically Fueled Transient Geometry Changes in Diphenic Acids

https://doi.org/10.1021/acs.orglett.0c02757

Jayalath, Isuru M. ; Wang, Hehe ; Mantel, Georgia ; Kariyawasam, Lasith S. ; Hartley, C. Scott ( October 2020 , Organic Letters)
null (Ed.)
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Chemically fueled covalent crosslinking of polymer materials

https://doi.org/10.1039/C8CC09823A

Zhang, Borui ; Jayalath, Isuru M. ; Ke, Jun ; Sparks, Jessica L. ; Hartley, C. Scott ; Konkolewicz, Dominik ( February 2019 , Chemical Communications)

Transiently crosslinked dynamic polymer networks are developed, using carbodiimide hydration to link carboxylic acids as anhydrides. From aqueous polymer solutions, non-equilibrium hydrogels are transiently formed, which dissolve upon anhydride hydrolysis. The materials can be refueled using a subsequent injection of carbodiimide. The gels exhibit higher storage moduli compared to transient supramolecular gels as a result of their covalent crosslinks.
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