The sustainability of the polymeric materials has become a fundamental challenge; therefore, development new biobased formulations gained increasing interest. Thermoset polyurethanes (PURs) present high performance and are competitive solution for structural composites. However, polyols used in PUR synthesis typically from petrochemical origin. Nowdays, broad range is available market, but ther...

Despite significant progress in the design of receptors and sensors for simple polyols and monosaccharides, few synthetic receptors discriminate among multiple saccharide units simultaneously, especially under physiological conditions. Described here is the three-dimensional structure of a supramolecular complex-a β-peptide bundle-designed for the potential to interact simultaneously with as ma...

Yeast alcohol dehydrogenase is an example of a protein in which the K-m for substrate is substantially decreased by the presence of glycerol. The polyol has the effect at pH 8.0 or above of decreasing K-m and K-s for substrate and of altering both the protein's intrinsic fluorescence and ultraviolet absorption difference spectrum. The relationship between each of thse parameters and glycerol co...

Symbiodinolide is a polyol marine natural product with a molecular weight of 2860. Herein, a streamlined synthesis of the C79-C97 fragment of symbiodinolide is described. In the synthetic route, a spiroacetalization, a Julia-Kocienski olefination, and a Sharpless asymmetric dihydroxylation were utilized as the key transformations.

The highly dispersed Ni nanoparticles in mesoporous silica were achieved via using polyol as new delivery conveyors and removable carbon templates. The catalyst exhibits excellent coking- and sintering-resistance in dry reforming of methane attributed to the controlled size and location of Ni nanoparticles.

A novel method of enantioselective 1,3-dioxane construction via a hemiacetalization/intramolecular oxy-Michael addition cascade by a chiral phosphoric acid catalyst was developed. The product was successfully transformed into an optically active 1,3-polyol motif, indicating that the proposed reaction can provide useful chiral building blocks for the de novo synthesis of polyketides.

The effect of aromatic ring substitution in the polyester polyol molecule on its physicochemicalproperties and conditions synthesis, fire resistance thermal stability polyurethanefoams was investigated. greater number terephthalic units results viscosityand reactivity during foam formation. obtained foams were characterized by higher thermalstability (TGA) (oxygen index, single flame test).

Five new polyol monoterpenes (1-5) and seven new sesquiterpene lactones (6-12), along with five previously identified compounds, were isolated from the aerial parts of Artemisia suksdorfii. The structures of the new compounds were established by high-field NMR techniques (1H, 13C, 1H-1H DEPT, COSY, HMQC, and HMBC) and in case of 6 confirmed by X-ray analysis.