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@ARTICLE{Tseng:517394,
author = {Tseng, Yu-Ting and Pelmenschikov, Vladimir and
Iffland-Mühlhaus, Linda and Calabrese, Donato and Chang,
Yu-Che and Laun, Konstantin and Pao, Chih-Wen and Sergeev,
Ilya and Yoda, Yoshitaka and Liaw, Wen-Feng and Chen,
Chien-Hong and Hsu, I-Jui and Apfel, Ulf-Peter and Caserta,
Giorgio and Lauterbach, Lars and Lu, Tsai-Te},
title = {{S}ubstrate-{G}ated {T}ransformation of a {P}re-{C}atalyst
into an {I}ron-{H}ydride {I}ntermediate [({NO})$_2$
({CO}){F}e(μ-{H}){F}e({CO})({NO})$_2$]$^−$ for
{C}atalytic {D}ehydrogenation of {D}imethylamine {B}orane},
journal = {Inorganic chemistry},
volume = {62},
number = {2},
issn = {0020-1669},
address = {Washington, DC},
publisher = {American Chemical Society},
reportid = {PUBDB-2023-00429},
pages = {769 - 781},
year = {2023},
abstract = {Continued 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$_{2(g)}$.},
cin = {DOOR ; HAS-User / FS-PET-S},
ddc = {540},
cid = {I:(DE-H253)HAS-User-20120731 /
I:(DE-H253)FS-PET-S-20190712},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3) /
FS-Proposal: I-20210059 (I-20210059) / FS-Proposal:
I-20211258 (I-20211258) / DFG project 390540038 - EXC 2008:
Unifying Systems in Catalysis "UniSysCat" (390540038) / DFG
project 390677874 - EXC 2033: RESOLV (Ruhr Explores
Solvation) (390677874) / DFG project 390919832 - EXC 2186:
Das Fuel Science Center – Adaptive Umwandlungssysteme für
erneuerbare Energie- und Kohlenstoffquellen (390919832)},
pid = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3 /
G:(DE-H253)I-20210059 / G:(DE-H253)I-20211258 /
G:(GEPRIS)390540038 / G:(GEPRIS)390677874 /
G:(GEPRIS)390919832},
experiment = {EXP:(DE-H253)P-P01-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {36580657},
UT = {WOS:000907025800001},
doi = {10.1021/acs.inorgchem.2c03278},
url = {https://bib-pubdb1.desy.de/record/517394},
}