name: (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 homogeneous catalysis, catalysts are in the same phase as the reactants. Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. Introducing a new discovery about 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
Six new nickel(II) complexes have been synthesized by the reaction of the nitrogen donor coligand 2,2?-dipyridylamine (dipyam) and three different alpha-hydroxyacids (H2L?) with different levels of bulkiness, namely lactic, 2-methyllactic and mandelic acids. Two types of compounds have been obtained: neutral complexes of formula [Ni(HL?)2(dipyam)] and the cationic metal complexes of general formula [Ni(HL?)(dipyam)2](HL?). The structures of the cationic metal complexes have been elucidated by single-crystal X-ray diffraction. The role of the second coordination sphere in the metallosupramolecular organization through different hydrogen-bonding patterns has been analysed. The thermal behaviour of all new compounds has been investigated.
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Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics