001009001 001__ 1009001 001009001 005__ 20240712084614.0 001009001 0247_ $$2doi$$a10.1080/07366299.2023.2221290 001009001 0247_ $$2ISSN$$a0736-6299 001009001 0247_ $$2ISSN$$a1532-2262 001009001 0247_ $$2datacite_doi$$a10.34734/FZJ-2023-02570 001009001 0247_ $$2WOS$$aWOS:001023475100001 001009001 037__ $$aFZJ-2023-02570 001009001 041__ $$aEnglish 001009001 082__ $$a540 001009001 1001_ $$00000-0001-9617-7123$$aZarzana, Christopher A.$$b0$$eCorresponding author 001009001 245__ $$aGamma Radiolysis of Phenyl-Substituted TODGAs: Part II 001009001 260__ $$aPhiladelphia, PA$$bTaylor & Francis$$c2023 001009001 3367_ $$2DRIVER$$aarticle 001009001 3367_ $$2DataCite$$aOutput Types/Journal article 001009001 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1692364975_8448 001009001 3367_ $$2BibTeX$$aARTICLE 001009001 3367_ $$2ORCID$$aJOURNAL_ARTICLE 001009001 3367_ $$00$$2EndNote$$aJournal Article 001009001 520__ $$aThe radiolytic degradation chemistry of three phenylated analogs of N,N,N’,N’-tetraoctyl diglycolamide (TODGA) was investigated: 2-(2-(di-n-octylamino)-2-oxoethoxy)-N,N-di-n-octyl-2-phenylacetamide (PhTODGA), which has a phenyl substituent bound to a central methylene, 2-(2-(di-n-octylamino)-2-oxo-1-phenylethoxy)-N,N-di-n-octylpropanamide (PhMeTODGA), which also contains a methyl substituent bound to the methylene on the other side of the ether moiety, and, 2-(2-N-n-hexyl-N-phenylamino)-2-oxoethoxy)-N-n-hexyl-N-phenylacetamide (DHDPDGA), which has phenyl substituents located on the amide groups instead of the central methylenes. In Part II of this series of papers radiolytic degradation products were identified after separation with liquid chromatography by High Resolution, Accurate-Mass mass spectrometry and collision-induced dissociation. At least twenty-two radiolytic degradation products were identified for PhTODGA, twenty-nine for PhMeTODGA, and over three dozen for DHDPDGA. The suite of radiolytic degradation products of these three investigated ligands was significantly larger than has been reported for previously studied diglycolamides, owing to their asymmetric nature, and to the identification of several new degradation mechanisms, including addition of methyl, hydroxyl, and nitrogen oxide radicals, that have not been previously reported for diglycolamides. Degradation products that contained addition of a NO2 or NO3 group were particularly prevalent for DHDPDGA, likely due to the phenyl side-groups. Several of these newly observed mechanisms do not appear to depend on the presence of the phenyl groups, suggesting these novel mechanisms may apply to other diglycolamides 001009001 536__ $$0G:(DE-HGF)POF4-1412$$a1412 - Predisposal (POF4-141)$$cPOF4-141$$fPOF IV$$x0 001009001 536__ $$0G:(EU-Grant)323282$$aSACSESS - Safety of ACtinide Separation proceSSes (323282)$$c323282$$fFP7-Fission-2012$$x1 001009001 536__ $$0G:(EU-Grant)755171$$aGENIORS - GEN IV Integrated Oxide fuels recycling strategies (755171)$$c755171$$fNFRP-2016-2017-1$$x2 001009001 588__ $$aDataset connected to CrossRef, Journals: juser.fz-juelich.de 001009001 7001_ $$0P:(DE-HGF)0$$aMcAlpine, Jack$$b1 001009001 7001_ $$0P:(DE-Juel1)130438$$aWilden, Andreas$$b2 001009001 7001_ $$0P:(DE-Juel1)142389$$aHupert, Michelle$$b3 001009001 7001_ $$0P:(DE-Juel1)133855$$aStärk, Andrea$$b4$$ufzj 001009001 7001_ $$00000-0002-9830-8235$$aIqbal, Mudassir$$b5 001009001 7001_ $$00000-0002-6863-8655$$aVerboom, Willem$$b6 001009001 7001_ $$0P:(DE-HGF)0$$aVandevender, Aspen N.$$b7 001009001 7001_ $$00000-0003-3108-2590$$aMincher, Bruce J.$$b8 001009001 7001_ $$00000-0001-9027-0490$$aGroenewold, Gary S.$$b9 001009001 7001_ $$0P:(DE-Juel1)130383$$aModolo, Giuseppe$$b10 001009001 773__ $$0PERI:(DE-600)2043256-2$$a10.1080/07366299.2023.2221290$$gp. 1 - 24$$n5$$p582-605 $$tSolvent extraction and ion exchange$$v41$$x0736-6299$$y2023 001009001 8564_ $$uhttps://juser.fz-juelich.de/record/1009001/files/Authors%20fulltext.pdf$$yPublished on 2023-07-06. 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