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. Chemistry graduates have much scope to use their knowledge in a range of research sectors, including roles within chemical engineering, chemical and related industries, healthcare and more. Like 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. In a document type is Article, introducing its new discovery.
The preparation and characterization of some copper(II)nitrito complexes with 2,2′-dipyridylamine (dipyam) are reported. The X-ray diffraction crystal structures of the [Cu(CH3COO)(dipyam)(ONO-O,O’)] (I) and [Cu(dipyam)(ONO-O,O’)(mu-ONO-O)]2·2CH3CN (II) complexes have been investigated. I consists of two crystallographically independent [Cu(acetato)(dipyam)-(ONO)] neutral complexes, self-assembled by cooperative N-H···O and C-H···O intermolecular interactions in supramolecular tetrameric units. Each copper atom exhibits a tetrahedrally-distorted square-basal geometry of the N2O2 donor set, with the second oxygen atoms of the cis-monodentate nitrito and of the acetato group weakly bound in nearly axial positions. II is a rare example of a dinuclear nitrito copper(II) derivative containing both cis-monodentate and O-bridging nitrito ligands. Each metal ion shows a distorted square-pyramidal coordination with the basal oxygen from the nitrito bridge occupying the axial site of the centrosymmetric complex. The H-bonding between the dipyam amino groups and acetonitrile molecules prevents the self-assembling of the dinuclear complexes. (C) 2000 Elsevier Science B.V.
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Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics