1157-93-3

Upstream product

• 108-24-7 acetic anhydride 
• 67870-16-0 pyridin-2-yl-acetic acid; sodium salt 
• 95-01-2 2,4-Dihydroxybenzaldehyde 
• 1148-28-3 7-hydroxy-3-(2-pyridinyl)-2H-1-benzopyran-2-one 
• 2739-97-1 pyridine-2-acetonitrile 
• 673-22-3 2-Hydroxy-4-methoxybenzaldehyde 
• 98805-37-9 7-methoxy-3-(2-pyridinyl)-2H-1-benzopyran-2-one 
• 2739-98-2 ethyl 2-(pyridinyl-2)acetate 
• 1001226-97-6 C₁₄H₁₀N₂O₂ 

Relevant academic research and scientific papers

3-(2-Pyridyl)coumarins

3-(2-Pyridyl)coumarins were prepared by reaction of substituted salicylaldehydes and 2-pyridylacetonitrile. Benzylation, acylation, and aminomethylation of 7-hydroxy-3-(2-pyridyl)coumarin was studied. 2005 Springer Science+Business Media, Inc.

Syntheses, Absorption and Fluorescence Spectra of 7-Hydroxy-3-pyridylcoumarins, their Esters, Ethers, and Quaternized Derivatives

7-Hydroxycoumarins 4 with a 2-, 3- or 4-pyridyl substituent in position 3, their ethers (3), esters (5, 6), and quaternized derivatives (7-9) have been synthesized by a generally applicable method starting from 2-hydroxy-4-methoxybenzaldehyde (1).The absorption and fluorescence spectra in methanol and water of different pH values are reported, and the effects of substituents on spectra and pKa values are discussed.