NDLI: The synthesis, structure, topology and catalytic application of a novel cubane-based copper(II) metal–organic framework derived from a flexible amido tripodal acid

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Roy, Somnath Oliver, Clive L. Öhrström, Lars Karmakar, Anirban
Description	Author Affiliation: Karmakar A ( Chemical and Biological Engineering, Physical Chemistry, Chalmers University of Technology, SE-412 96, Gothenburg, Sweden. ohrstrom@chalmers.se.)
Abstract	A novel chiral metal–organic framework, $[Cu_{4}(HL)_{2}(H_{2}O)_{4}(MeO)_{4}]_{n}$ (1), has been successfully synthesized from a tripodal flexible ligand (2S,2′S,2′′S)-2,2′,2′′-(benzenetricarbonyltris(azanediyl))tripropanoic acid $(H_{3}L).$ Compound 1 was characterized by IR and X-ray powder diffraction analysis. The structure was determined by X-ray single crystal diffraction analysis revealing that 1 possesses a 3D network, featuring a tetranuclear cubane-type secondary building block $[Cu_{4}(MeO)_{4}]^{4+},$ formed via the connection of four metal ions to four methoxide ions. These secondary building blocks are linked by four different $HL^{2−}$ ligands to construct a porous three dimensional framework of the dia topology with one-dimensional channels. Compound 1 also acts as a heterogeneous catalyst for the diastereoselective nitroaldol (Henry) reaction, providing high yields (up to 91%) and good diastereoselectivities under ambient conditions. This catalyst can be recycled without significant loss of activity.
ISSN	14779226
Issue Number	22
Journal	Dalton Trans.
Volume Number	44
e-ISSN	13645447
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2015-06-14
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Chemistry
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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