13475-38-2

Upstream product

• 10172-70-0 4-hydroxy-3-[(4-hydroxy-2-oxo-2H-chromen-3-yl)-(4-nitro-phenyl)-methyl]-chromen-2-one 
• 1076-38-6 4-hydroxy[1]benzopyran-2-one 
• 555-16-8 4-nitrobenzaldehdye 

Relevant academic research and scientific papers

P2O5/SiO2 as a new, efficient and reusable catalyst for preparation of 4,4'-epoxydicoumarins under solvent-free conditions

An efficient solvent-free procedure for the preparation of 4,4'-epoxydicoumarins via the ondensation of 4-hydroxycoumarin with aldehydes in the presence of catalytic amount of phosphorus pentoxide/silica gel at 110 °C is described. The advantages of this

DABCO-modified super-paramagnetic nanoparticles as an efficient and water-compatible catalyst for the synthesis of pyrano[3,2-c:5,6-c']dichromene-6,8-dione derivatives under mild reaction conditions

In this paper, a novel catalyst is introduced based on the immobilization of 1,4-diazabicyclo[2.2.2] octane (DABCO) on super-paramagnetic iron oxide nanoparticles. For the synthesis of the catalyst, silica-magnetic iron oxide core-shell nanoparticles were

Evaluation of Antibacterial Activities of 4-Hydroxycoumarin Derivatives

Three kinds of 4-hydroxycoumarin derivatives, namely, biscoumarins (1-4), epoxydicoumarins (5-8) and dihydropyrans (9-12), were synthesized and the antibacterial activity of each of them was evaluated. The result of preliminary bioassay shows that the low

Reaction of dimethyl sulfoxide-acetic anhydride with 4-hydroxy-coumarin, its derivatives under microwave conditions

4-Hydroxycoumarin and various biscoumarins synthesized under microwave conditions were treated with the DMSO-Ac2O reagent under the same conditions to yield different products. A comparative account of the reactions with conventional procedure, as reporte

Cyanuric chloride-catalyzed one-pot synthesis of 4,4'-epoxydicoumarins

A simple, green and efficient solvent free procedure for the synthesis of 4,4'-epoxydicoumarins from 4-hydroxycoumarin and aldehydes | in the presence of catalytic amount of cyanuric chloride at 120° C is described. Using this method, 4,4'-epoxydicoumarin

Synthesis, structure, antimicrobial and antioxidant investigations of dicoumarol and related compounds

Different substituted 3,3′-arylidenebis-4-hydroxycoumarins (1-7) and tetrakis-4-hydroxycoumarin derivative 8 are the final products when 4-hydroxycoumarin and aromatic aldehydes containing different groups in ortho, meta or para positions condense in boil

Synthesis, toxicological, and pharmacological assessment of some oximes and aldehyde condensation products of 4-hydroxycoumarin

The synthesis of condensation products of 4-hydroxycoumarin and nitro- substituted aromatic aldehydes as well as oximes of drugs with anticoagulant activity is described. The acute toxicity of the compound was studied in mice by oral and intraperitoneal a