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Heterolysis of Dihydrogen by Silver Alkoxides and Fluorides.

Chemistry (Weinheim an der Bergstrasse, Germany) (2015-06-11)
Brandon K Tate, Jenna T Nguyen, John Bacsa, Joseph P Sadighi
PMID26059331
ABSTRACT

Alkoxide-bridged disilver cations react with dihydrogen to form hydride-bridged cations, releasing free alcohol. Hydrogenolysis of neutral silver fluorides affords hydride-bridged disilver cations as their bifluoride salts. These reactions proceed most efficiently when the supporting ligands are expanded N-heterocyclic carbenes (NHCs) derived from 6- and 7-membered cyclic amidinium salts. Kinetics studies show that silver fluoride hydrogenolysis is first-order in both silver and dihydrogen.

MATERIALI
N° Catalogo
Marchio
Descrizione del prodotto
151882
Sigma-Aldrich
Ossido di deuterio, 99.9 atom % D
271004
Sigma-Aldrich
Acetonitrile, anhydrous, 99.8%
450510
Sigma-Aldrich
Ossido di deuterio, 99.9 atom % D, contains 0.05 wt. % 3-(trimethylsilyl)propionic-2,2,3,3-d4 acid, sodium salt
199877
Sigma-Aldrich
Lithium aluminum hydride, powder, reagent grade, 95%
401765
Sigma-Aldrich
Benzene, anhydrous, 99.8%
293040
Sigma-Aldrich
Ossido di deuterio, 99.9 atom % D, contains 0.75 wt. % 3-(trimethylsilyl)propionic-2,2,3,3-d4 acid, sodium salt
D131350
Sigma-Aldrich
1,4-Dimethoxybenzene, ReagentPlus®, 99%
361860
Sigma-Aldrich
Deuterium, 99.8 atom % D
756822
Sigma-Aldrich
Ossido di deuterio, filtered, 99.8 atom % D
323403
Sigma-Aldrich
Lithium aluminum hydride, pellets, reagent grade, 95%
280704
Sigma-Aldrich
Sodium tert-pentoxide, 95%
343773
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Ossido di deuterio, 99.9 atom % D, contains 1 % (w/w) 3-(trimethylsilyl)-1-propanesulfonic acid, sodium salt (DSS)
368407
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Deuterium, 99.96 atom % D
W238600
Sigma-Aldrich
1,4-Dimethoxybenzene, 99%, FG
617474
Sigma-Aldrich
Deuterium, 99.9 atom % D
733466
Sigma-Aldrich
Acetonitrile, electronic grade, 99.999% trace metals basis
208027
Sigma-Aldrich
Calcium hydride, reagent grade, 95% (gas-volumetric)
752096
Sigma-Aldrich
Sodium tert-pentoxide solution, 40% in toluene
213268
Sigma-Aldrich
Calcium hydride, powder, 0-2 mm, reagent grade, ≥90% (gas-volumetric)
275611
Sigma-Aldrich
Rhein, technical grade
558257
Sigma-Aldrich
Calcium hydride, 99.9% trace metals basis
613428
Sigma-Aldrich
Ossido di deuterio, 70 atom % D
702765
Sigma-Aldrich
Sodium tert-pentoxide solution, 1.4 M in THF
R7269
Sigma-Aldrich
Rhein
21170
Sigma-Aldrich
Calcium hydride, purum p.a., ≥97.0% (gas-volumetric), powder
686034
Sigma-Aldrich
Lithium aluminum hydride, hydrogen-storage grade
497355
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Calcium hydride, powder, 99.99% trace metals basis
488690
Sigma-Aldrich
Deuterium hydride, extent of labeling: 96 mol% DH, 98 atom % D
62420
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Lithium aluminum hydride, ≥97.0% (gas-volumetric)
62421
Sigma-Aldrich
Lithium aluminum hydride, ≥97.0% (gas-volumetric), tablet (5 g each)