Synthesis of new 3H-pyrrole derivatives from 3-aryl-2-oxa-7-azaspiro[4.4]nona-3,6,8-trienes
作者:M. Yu. Belikov、I. V. Belikova、O. V. Ershov、S. V. Fedoseev、O. E. Nasakin
DOI:10.1134/s1070428016090104
日期:2016.9
piro[4.4]nona-3,6,8-triene-9-carbonitriles reacted with acetic anhydride to give different products, depending on the solvent. The reaction in tetrahydrofuran gave the corresponding N-acyl derivatives at the imino group, whereas in pyridine 5-amino-2-morpholin-4-yl-3-(1-aryl-1-oxopropan-2-yl)-3H-pyrrole-3,4-dicarbonitriles were formed as a result of opening of the furan ring.
反应的8-氨基-3-芳基-1-亚氨基-4-甲基-6-(吗啉-4-基)-2-氧杂-7-氮杂螺[4.4]壬娜-3,6,8-三烯-9-腈与乙酸酐反应生成不同的产物,具体取决于溶剂。在四氢呋喃中反应,得到相应的Ñ酰基衍生物在亚氨基,而在吡啶5-氨基-2-吗啉-4-基-3-(1-芳基-1-氧代丙-2-基)-3 ħ -由于呋喃环的打开,形成了吡咯-3,4-二腈。