With the volume and accessibility of scientific research increasing across the world, it has never been more important to continue building the reputation for quality and ethical publishing we’ve spent the past two centuries establishing. 499-40-1, Name is (2R,3S,4R,5R)-2,3,4,5-Tetrahydroxy-6-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexanal, molecular formula is C12H22O11. In a Article，once mentioned of 499-40-1, Application In Synthesis of (2R,3S,4R,5R)-2,3,4,5-Tetrahydroxy-6-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexanal
A mononuclear CuII complex [Cu(IDA)(2,2?-dypam)(H 2O)]·H2O (1) where H2IDA and 2,2?-dypam are iminodiacetic acid and 2,2?-dipyridylamine, respectively, has been synthesized and characterized by X-ray single crystal structure analysis. The Cu(II) atom exhibits an unsymmetrical elongated octahedral coordination type 4 + 1 + 1. X-ray crystallography reveals that complex (1) has an unprecedented fac-O2 + N(apical) IDA conformation, in the trans-site of Cu-N (IDA-like) bond, in contrast with structural co-relations for complexes with Cu/(IDA or IDA-like)/N-heterocyclic donor ratio 1/1/2 and closely related compounds fac-NO + O(apical) IDA-like conformation and one N-heterocyclic donor in the trans-site to the Cu-N (IDA-like) bond. These findings are attributed to the influence of pi-pi stacking, C-H?pi interactions in the molecular recognition process. Moreover, the aromatic moieties of 2,2?-dypam are engaged in carbonyl?pi interaction with the non-coordinated carbonyl groups of IDA ligand and giving rise to a remarkable supramolecular carbonyl-pi/pi-pi/pi-carbonyl interactions.
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Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics