Synthesis of Indeno[2′,1′:5,6]pyrido[2,3‐d]pyrimidine Derivatives and Their Recognition Properties as New Type Anion Receptors

Abstract

A new type anion receptors containing indeno[2′,1′:5,6]pyrido[2,3‐d]pyrimidine have been synthesized via three‐component reaction of aldehyde, 6‐aminopyrimidine‐2,4‐dione, and 1,3‐indanedione in aqueous media. The binding properties of the receptors with anions such as F−, Cl−, Br−, AcO−, HSO4−, and H2PO4− have been investigated by UV–vis spectroscopy methods. The results have shown that receptors have good selectivity to F− and AcO−, and a 1:1 stoichiometry complex has been formed between compounds and anions.

Tetrazol-Cu(i) immobilized on nickel ferrite catalyzed green synthesis of indenopyridopyrimidine derivatives in aqueous media

“…With this view, we have considered the preparation of indenopyridine, 28 pyridopyrimidines, 29 and pyrimidines, 30 in addition to the consideration of the usual preparation method for indenopyridopyrimidines. 31,32 With this approach, the product is obtained using barbituric acid and ammonium acetate, instead of uracil, in a four-component reaction.…”

Clean and Efficient Synthesis of Isoxazole Derivatives in Aqueous Media

“…However, these syntheses are usually carried out in organic solvents. As part of our current studies on the development of new routes to heterocyclic systems in aqueous media [21,22,23,24,25,26,27,28], we now report an efficient and clean synthetic route to isoxazole derivatives via the reaction of 3-(dimethylamino)-1-arylprop-2-en-1-ones with hydroxylamine hydrochloride in aqueous media.…”