An Octa-Urea [Pd2L4]4+ Cage that Selectively Binds to n-octyl-α-D-Mannoside was written by Schaapkens, Xander;Holdener, Joel H.;Tolboom, Jens;Bobylev, Eduard O.;Reek, Joost N. H.;Mooibroek, Tiddo J.. And the article was included in ChemPhysChem in 2021.Related Products of 604-69-3 The following contents are mentioned in the article:
Designing compounds for the selective mol. recognition of carbohydrates is a challenging task for supramol. chemists. Macrocyclic compounds that incorporate isophtalamide or bisurea spacers linking two aromatic moieties have proven effective for the selective recognition of all-equatorial carbohydrates. Here, we explore the mol. recognition properties of an octa-urea [Pd2L4]4+ cage complex (4). It was found that small anions like NO3– and BF4– bind inside 4 and inhibit binding of n-octyl glycosides. When the large non-coordinating anion ′BArF′ was used, 4 showed excellent selectivity towards n-octyl-α-D-Mannoside with binding in the order of Ka≈16 M-1 vs. non-measurable affinities for other glycosides including n-octyl-β-D-Glucoside (in CH3CN/H2O 91 : 9). This study involved multiple reactions and reactants, such as (2S,3R,4S,5R,6R)-6-(Acetoxymethyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate (cas: 604-69-3Related Products of 604-69-3).
(2S,3R,4S,5R,6R)-6-(Acetoxymethyl)tetrahydro-2H-pyran-2,3,4,5-tetrayl tetraacetate (cas: 604-69-3) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Related Products of 604-69-3
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics