Аннотация:
2-(Ethoxalylmethyl)chromones undergo dimerization to dichromonyl derivatives of isotetronic acid in 62–89% yields on refluxing with 2,3-diaminopyridine in ethanol for 1–2h.
Образец цитирования:
V. Ya. Sosnovskikh, D. A. Vetyugova, A. V. Safrygin, O. S. Eltsov, P. A. Slepukhin, “Self-condensation of 2-(ethoxalylmethyl)chromones into new derivatives of isotetronic acid”, Mendeleev Commun., 28:4 (2018), 434–436