127118-65-4Relevant academic research and scientific papers
CYCLIZATION REACTIONS OF NITRILES
Matrosova, S. V.,Zav'yalova, V. K.,Litvinov, V. P.,Sharanin, Yu. A.
, p. 1456 - 1459 (1991)
The interaction of 2-thienylidene derivatives of malononitrile and cyanothioacetamide with methylene active nitriles gives 2,6-diamino-3,5-dicyano-4-(2-thienyl)-4H-thiopyran which is smoothly recrystallized into 6-amino-3,5-dicyano-4-(2-thienyl)-2(1H)-pyridinethione.The latter is easily alkylated at the sulfur atom by α-halocarbonyl compounds.This reaction was used in the synthesis of 3,6-diamino-4-(2-thienyl)thienopyridines.
Multicomponent Synthesis of 4-Alkyl(Aryl, Hetaryl)-2-alkoxycarbonyl(aroyl, carbamoyl)- 3,6-diamino-5-cyanothieno[2,3-b]pyridines
Dyachenko,Dyachenko,Dorovatovskii,Khrustalev,Nenajdenko
, p. 1435 - 1445 (2019/01/04)
The condensation of malononitrile with hydrogen sulfide and aldehydes in the presence of triethylamine in ethanol at room temperature afforded 4-alkyl(aryl, hetaryl)-2,6-diamino-3,5-dicyano-4H-thiopyrans. Treatment of the latter in situ with alkali in DMF, followed by addition of an alkylating agent, led to the formation of 4-alkyl(aryl, hetaryl)-2-alkoxycarbonyl(aroyl, carbamoyl)-3,6-diamino-5-cyanothieno[2,3-b]- pyridines.
Bis(4-pyridylamino)triazine-stabilized magnetite nanoparticles: preparation, characterization and application as a retrievable catalyst for the green synthesis of 4H-pyran, 4H-thiopyran and 1,4-dihydropyridine derivatives
Bodaghifard,Mobinikhaledi,Asadbegi
, (2017/02/05)
Synthesis of bis(4-pyridylamino)triazine stabilized on silica-coated nano-Fe3O4 particles, and their feasibility as a reusable heterogeneous basic catalyst are reported. The catalytic performance of this novel material was studied fo
