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Chemical Structure| 1883-75-6 Chemical Structure| 1883-75-6

Structure of 2,5-Furandimethanol
CAS No.: 1883-75-6

Chemical Structure| 1883-75-6

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2,5-Furandimethanol is a furan derivative with antioxidant and antibacterial activity.

Synonyms: 5-(Hydroxymethyl)furfuryl Alcohol; NSC 524614; NSC 40737

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Gey, Marten Niklas ; Schröder, Uwe ;

Abstract: One of the major challenges in the oxidation of the carbohydrate-based (HMF) to (FDCA) – a reaction of great relevance for the production of biopolymers – is the need for alkaline conditions. Many of the published oxidation systems operate at pH 13–14, at which a self-polymerization of HMF to strongly colored humic substances occurs. To date, this side reaction has only been investigated to a limited extent. This study presents a first investigation of the humic substance formation of alkaline HMF solutions upon storage over a period of more than 200 hours. A comparison of the HMF degradation with that of its benzyl analog (HMB) showed that humic substance formation is caused by the opening of the furan ring, which subsequently induces linking of the individual HMF molecules. Parallel to this, the Cannizzaro reaction proceeds, which, in the observed concentration range of 20–100 mM, converted approx. 20% of the initial HMF. Further analysis of the humic substance formation by UV/Vis spectroscopy revealed that this process can be separated into a “build-up” phase (within the first 24 h) and an “aging” phase (after 24 h), in which the colored humic material is decolorized again due to the presence of dissolved atmospheric O2. Based on the solubility at different pH values, the formed humic material was classified as a mixture of humic acids and fulvic acids, while (fully insoluble) humins were not formed. Finally, FTIR spectroscopy was utilized to carry out a structural investigation of the acid-insoluble humic acid fraction.

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Weers, Marco ; von Seggern, Aaron R. ; Vocke, Heinrich ; Taffa, Dereje H. ; Wark, Michael ;

Abstract: Polymeric carbon nitride (PCN) can be prepared by heating of nitrogen rich precursors and is used as a photocatalyst for hydrogen evolution and transformation of organic mols. This work gives a deeper understanding of the different properties of PCN and the observed intermediates when or are chosen as precursors and heated to temperatures in the range of 350-575°C. Melem or a melem-tetramer are the main intermediates when is used as starting material, while urea-based PCN is formed via a supramol. assembly of and . This leads to crucial differences in properties such as surface area, amount of NH2-groups and photocatalytic activity. PCN from , loaded with Pt nanoparticles, shows higher activities for photocatalytic hydrogen evolution due to more NH2-groups. The melem-tetramer shows nanosheetlike structure combined with a high amount of NH2-groups and has the highest activity of all prepared catalysts for the photocatalytic of (HMF) to (BHMF). Thus, this research demonstrates the formation mechanism and the design of PCN based catalysts with a large amount of NH2-groups and a high photocatalytic reduction ability.

Keywords: polymeric carbon nitride ; melem tetramer ; photocatalysis ; 5-hydroxymethylfurfuralreduction ; hydrogen evolution

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Piao, Guangxia ; Yoon, Sun Hee ; Cha, Hyun Gil ; Han, Dong Suk ; Park, Hyunwoong ;

Abstract: The electrocatalytic hydrogenation of 5-hydroxymethylfurfural (HMF) to 2,5-bis(hydroxymethyl)furan (BHMF) is an alternative to conventional heterogeneous catalysis with H2 at high temperatures and pressures. Although Ag is the most representative electrocatalyst, it works only under limited conditions. This study synthesizes highly porous dendritic Bi, Sn, and BiSn electrocatalysts using an in situ generated hydrogen bubble template. Density functional theory computations on the adsorption energy and elementary hydrogenation reaction steps of HMF predict the superiority of Bi to Sn and the intermediate behavior of BiSn between Bi and Sn. The dendritic BiSn catalyst generates a current density of ∼144 mA cm−2 at a faradaic efficiency (FE) of ∼100% for BHMF production at pH ∼ 7 (corresponding to the BHMF production rate of ∼2.7 mmol h−1 cm−2) in prolonged electrolysis. Considering the material cost (

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Alternative Products

Product Details of 2,5-Furandimethanol

CAS No. :1883-75-6
Formula : C6H8O3
M.W : 128.13
SMILES Code : OCC1=CC=C(CO)O1
Synonyms :
5-(Hydroxymethyl)furfuryl Alcohol; NSC 524614; NSC 40737
MDL No. :MFCD00003253
InChI Key :DSLRVRBSNLHVBH-UHFFFAOYSA-N
Pubchem ID :74663

Safety of 2,5-Furandimethanol

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H332-H335
Precautionary Statements:P261-P280-P305+P351+P338

Related Pathways of 2,5-Furandimethanol

DNA

Isoform Comparison

Protocol

Bio Calculators
Preparing Stock Solutions 1mg 5mg 10mg

1 mM

5 mM

10 mM

7.80mL

1.56mL

0.78mL

39.02mL

7.80mL

3.90mL

78.05mL

15.61mL

7.80mL

Dissolving Methods
Please choose the appropriate dissolution scheme according to your animal administration guide.For the following dissolution schemes, clear stock solution should be prepared according to in vitro experiments, and then cosolvent should be added in turn:

in order to ensure the reliability of the experimental results, the clarified stock solution can be properly preserved according to the storage conditions; The working fluid for in vivo experiment is recommended to be prepared now and used on the same day;

The percentage shown in front of the following solvent refers to the volume ratio of the solvent in the final solution; If precipitation or precipitation occurs in the preparation process, it can be assisted by heating and/or ultrasound.
Protocol 1
Protocol 2
 

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