In an article, published in an article, once mentioned the application of 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, is a conventional compound. this article was the specific content is as follows.Computed Properties of C12H22O11
The synthetic details and characterization data of three mononuclear complexes of the type [Cd(dpa)2X2] (dpa = 2,2?-dipyridylamine; X = N3-, 1; X = NCS -, 2 and X = NCO-, 3) are described. In one case, [Cd(dpa)2(NCS)2] (2), X-ray structure determination has been made for the exact definition of the coordination sphere. Structural analysis reveals that the cadmium(II) centre is in a distorted octahedral environment with a CdN5S chromophore with two dpa units roughly perpendicular to one another and the two thiocyanates in mutual cis orientation with one in S-bound and the other in N-bound states. The mononuclear unit packs through N-H…S and N-H…N hydrogen bonding to have a one-dimensional (ID) chain. Spectroscopic and other physicochemical data show that compounds 1 and 3 have the cognate structure. The compounds display high energy intraligand 1(pi-pi*) fluorescence and intraligand 3(pi- pi*) phosphorescence in glassy solutions (DMF at 77 K). A band (near 375 nm) observed for all the complexes in their solid state emission spectra is an excimeric emission. The role of dpa, a tailored diimine with active amine hydrogen and aromatic pyridine ring, is discussed towards functionalisation on crystal engineering and luminescence behaviour.
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Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics