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Cover Picture: Facially Dispersed Polyhydride Cu 9 and Cu 16 Clusters Comprising Apex‐Truncated Supertetrahedral and Square‐Face‐Capped Cuboctahedral Copper Frameworks (Angew. Chem. Int. Ed. 6/2020)
Author(s) -
Nakamae Kanako,
Nakajima Takayuki,
Ura Yasuyuki,
Kitagawa Yasutaka,
Tanase Tomoaki
Publication year - 2020
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201915467
Subject(s) - formate , hydride , copper , catalysis , chemistry , crystallography , ligand (biochemistry) , inorganic chemistry , organic chemistry , metal , biochemistry , receptor
Catalytic hydrogenation of CO 2 to formate is promoted by copper hydride clusters. Cage‐type copper hydride clusters prepared by using a tetraphosphine ligand, dpmppm, can have apex‐truncated supertetrahedral {Cu 9 H 7 } 2+ and square‐face‐capped cuboctahedral {Cu 16 H 14 } 2+ frameworks, or an unsymmetrical {Cu 8 H 6 } 2+ structure. As reported by T. Tanase and co‐workers in their Communication on page 2262, the kinetically trapped {Cu 8 H 6 } 2+ species promotes catalytic hydrogenation of CO 2 to formate in the presence of strong base.