Archives for Chemistry Experiments 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

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Reference of 499-40-1, An article , which mentions 499-40-1, molecular formula is C12H22O11. The compound – (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 played an important role in people’s production and life.

Unique Spectroscopic Properties of Mixed-Ligand Complexes with 2,2′-Dipyridylamine: A Dual Luminescence from a Ruthenium(II) Complex

The 77 K absorption, emission, excitation, photoselection, and time-resolved emission spectra and emission lifetimes were obtained in aprotic and protic systems for the series of complexes 2+ (n = 0-3) and 2+ (n = 0-3).The n = 2 species have d-?* MLCT emission characteristics indicative of the Ru-bpy and Ru-phen chromophores as do the n = 1 species in water, but in weak hydrogen-bonding solvents, as well as aprotic solvents, a second emission is observed producing a dual luminescence for the n = 1 species.This second emission is assigned to an nHDPA-?bpy* (or nHDPA-?phen*) interligand charge-transfer (ILCT) process.The absorption spectra for the deprotonated species (n-1)+ (n = 1, 2) were also obtained, and the absence of emission up to 800 nm for these complexes is discussed in terms of available emitting states and metal perturbations.

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Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics