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An Air‐ and Water‐Tolerant Zinc Hydride Cluster That Reacts Selectively With CO 2
Author(s) -
Ermert David M.,
Ghiviriga Ion,
Catalano Vincent J.,
Shearer Jason,
Murray Leslie J.
Publication year - 2015
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201501539
Subject(s) - chemistry , hydride , zinc , methanol , cluster (spacecraft) , nuclear magnetic resonance spectroscopy , cyclophane , tris , medicinal chemistry , inorganic chemistry , nuclear chemistry , metal , stereochemistry , crystallography , crystal structure , organic chemistry , biochemistry , computer science , programming language
The reaction of [Zn 3 Cl 3 L ], in which L 3− is a tris(β‐diketiminate) cyclophane, with K( s Bu) 3 BH afforded [Zn 3 (μ‐H) 3 L ] ( 2 ), as confirmed by NMR spectroscopy, NOESY, and X‐ray crystallography. The complex 2 was air‐stable and unreactive towards water, methanol, and other substrates (e.g., nitriles) at room temperature over 24 h but reacted with CO 2 (ca. 1 atm) to generate [Zn 3 (μ‐H) 2 (μ‐1,1‐O 2 CH)] ( 3 ). In contrast, [Zn 3 (OH) 3 L ] ( 4 ) was found to be unreactive toward CO 2 over the course of several days at 90 °C.
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