000517394 001__ 517394 000517394 005__ 20250715180018.0 000517394 0247_ $$2doi$$a10.1021/acs.inorgchem.2c03278 000517394 0247_ $$2ISSN$$a0020-1669 000517394 0247_ $$2ISSN$$a1520-510X 000517394 0247_ $$2datacite_doi$$a10.3204/PUBDB-2023-00429 000517394 0247_ $$2altmetric$$aaltmetric:140654207 000517394 0247_ $$2pmid$$a36580657 000517394 0247_ $$2WOS$$aWOS:000907025800001 000517394 0247_ $$2openalex$$aopenalex:W4313273055 000517394 037__ $$aPUBDB-2023-00429 000517394 041__ $$aEnglish 000517394 082__ $$a540 000517394 1001_ $$0P:(DE-HGF)0$$aTseng, Yu-Ting$$b0$$eFirst author 000517394 245__ $$aSubstrate-Gated Transformation of a Pre-Catalyst into an Iron-Hydride Intermediate [(NO)$_2$ (CO)Fe(μ-H)Fe(CO)(NO)$_2$]$^−$ for Catalytic Dehydrogenation of Dimethylamine Borane 000517394 260__ $$aWashington, DC$$bAmerican Chemical Society$$c2023 000517394 3367_ $$2DRIVER$$aarticle 000517394 3367_ $$2DataCite$$aOutput Types/Journal article 000517394 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1727096065_1802689 000517394 3367_ $$2BibTeX$$aARTICLE 000517394 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000517394 3367_ $$00$$2EndNote$$aJournal Article 000517394 520__ $$aContinued efforts are made on the development of earth-abundant metal catalysts for dehydrogenation/hydrolysis of amine boranes. In this study, complex [K-18-crown-6-ether][(NO)$_2$Fe(μ-$^{Me}$Pyr)(μ-CO)Fe(NO)$_2$] (3-K-crown, $^{Me}$Pyr = 3-methylpyrazolate) was explored as a pre-catalyst for the dehydrogenation of dimethylamine borane (DMAB). Upon evolution of H$_{2(g)}$ from DMAB triggered by 3-K-crown, parallel conversion of 3-K-crown into [(NO)$_2$Fe(N,N′-$^{Me}$PyrBH$_2$NMe$_2$)]− (5) and an iron-hydride intermediate [(NO)$_2$(CO)Fe(μ-H)Fe(CO)(NO)$_2$]$^−$ (A) was evidenced by X-ray diffraction/nuclear magnetic resonance/infrared/nuclear resonance vibrational spectroscopy experiments and supported by density functional theory calculations. Subsequent transformation of A into complex [(NO)$_2$Fe(μ-CO)$_2$Fe(NO)$_2$]$^−$ (6) is synchronized with the deactivated generation of H$_{2(g)}$. Through reaction of complex [Na-18-crown-6-ether][(NO)$_2$Fe(η$^2$-BH$_4$)] ($_4$-Na-crown) with CO(g) as an alternative synthetic route, isolated intermediate [Na-18-crown-6-ether][(NO)$_2$(CO)Fe(μ-H)Fe(CO)(NO)$_2$] (A-Na-crown) featuring catalytic reactivity toward dehydrogenation of DMAB supports a substrate-gated transformation of a pre-catalyst [(NO)$_2$Fe(μ-$^{Me}$Pyr)(μ-CO)Fe(NO)$_2$]$^−$ (3) into the iron-hydride species A as an intermediate during the generation of H$_{2(g)}$. 000517394 536__ $$0G:(DE-HGF)POF4-632$$a632 - Materials – Quantum, Complex and Functional Materials (POF4-632)$$cPOF4-632$$fPOF IV$$x0 000517394 536__ $$0G:(DE-HGF)POF4-6G3$$a6G3 - PETRA III (DESY) (POF4-6G3)$$cPOF4-6G3$$fPOF IV$$x1 000517394 536__ $$0G:(DE-H253)I-20210059$$aFS-Proposal: I-20210059 (I-20210059)$$cI-20210059$$x2 000517394 536__ $$0G:(DE-H253)I-20211258$$aFS-Proposal: I-20211258 (I-20211258)$$cI-20211258$$x3 000517394 536__ $$0G:(GEPRIS)390540038$$aDFG project 390540038 - EXC 2008: Unifying Systems in Catalysis "UniSysCat" (390540038)$$c390540038$$x4 000517394 536__ $$0G:(GEPRIS)390677874$$aDFG project 390677874 - EXC 2033: RESOLV (Ruhr Explores Solvation) (390677874)$$c390677874$$x5 000517394 536__ $$0G:(GEPRIS)390919832$$aDFG project 390919832 - EXC 2186: Das Fuel Science Center – Adaptive Umwandlungssysteme für erneuerbare Energie- und Kohlenstoffquellen (390919832)$$c390919832$$x6 000517394 588__ $$aDataset connected to CrossRef, Journals: bib-pubdb1.desy.de 000517394 693__ $$0EXP:(DE-H253)P-P01-20150101$$1EXP:(DE-H253)PETRAIII-20150101$$6EXP:(DE-H253)P-P01-20150101$$aPETRA III$$fPETRA Beamline P01$$x0 000517394 7001_ $$0P:(DE-HGF)0$$aPelmenschikov, Vladimir$$b1$$eCorresponding author 000517394 7001_ $$0P:(DE-HGF)0$$aIffland-Mühlhaus, Linda$$b2 000517394 7001_ $$0P:(DE-H253)PIP1101067$$aCalabrese, Donato$$b3 000517394 7001_ $$0P:(DE-HGF)0$$aChang, Yu-Che$$b4 000517394 7001_ $$0P:(DE-H253)PIP1097324$$aLaun, Konstantin$$b5 000517394 7001_ $$0P:(DE-HGF)0$$aPao, Chih-Wen$$b6 000517394 7001_ $$0P:(DE-H253)PIP1016663$$aSergeev, Ilya$$b7$$udesy 000517394 7001_ $$0P:(DE-HGF)0$$aYoda, Yoshitaka$$b8 000517394 7001_ $$0P:(DE-HGF)0$$aLiaw, Wen-Feng$$b9 000517394 7001_ $$0P:(DE-HGF)0$$aChen, Chien-Hong$$b10$$eCorresponding author 000517394 7001_ $$0P:(DE-HGF)0$$aHsu, I-Jui$$b11$$eCorresponding author 000517394 7001_ $$0P:(DE-H253)PIP1032991$$aApfel, Ulf-Peter$$b12$$eCorresponding author 000517394 7001_ $$0P:(DE-H253)PIP1092788$$aCaserta, Giorgio$$b13$$eCorresponding author 000517394 7001_ $$0P:(DE-H253)PIP1024012$$aLauterbach, Lars$$b14$$eCorresponding author 000517394 7001_ $$0P:(DE-HGF)0$$aLu, Tsai-Te$$b15$$eCorresponding author 000517394 773__ $$0PERI:(DE-600)1484438-2$$a10.1021/acs.inorgchem.2c03278$$gVol. 62, no. 2, p. 769 - 781$$n2$$p769 - 781$$tInorganic chemistry$$v62$$x0020-1669$$y2023 000517394 8564_ $$uhttps://bib-pubdb1.desy.de/record/517394/files/Post_referee.pdf$$yPublished on 2022-12-29. 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