Combining a Click–Multicomponent Reaction: One-Pot Synthesis of 1,2,3-Triazol-4-ylmethyl 3-Amino-5,10-dihydro-5,10-dioxo-1<i>H</i>-pyrazolo[1,2-<i>b</i>]phthalazine-2-carboxylate Derivatives
作者:Minoo Dabiri、David MaGee、Peyman Salehi、Laleh Torkian、Mahsa Fakharian、Jordan Donahue
DOI:10.1080/00397911.2014.888080
日期:2014.7.18
(1,2,3-Triazol-4-yl)methyl-3-amino-5,10-dihydro-5,10-dioxo-1H-pyrazolo[1,2-b]phthalazine-2-carboxylate derivatives were synthesized by a four-component, one-pot condensation reaction of benzaldehyde derivatives, an active methylene compound (prop-2-ynyl-2-cyanoacetate), azides, and phthalhydrazide in the presence of Cu(OAc)(2)/sodium ascorbate as catalysts and 1-methyl-1H-imidazolium trifluoroacetate ([Hmim]TFA) as an ionic liquid medium in good to excellent yields.
通过四组分、一锅缩合反应,在Cu(OAc)₂/抗坏血酸钠作为催化剂,并使用1-甲基-1H-咪唑𬭩三氟乙酸盐作为离子液体介质的情况下,以苯甲醛衍生物、活性亚甲基化合物(丙-2-炔基-2-氰基丙二酸酯)、叠氮化物和酞酰肼为原料,成功合成了一系列(1,2,3-三唑-4-基)甲基-3-氨基-5,10-二氢-5,10-二氧代-1H-吡唑[1,2-b]酞嗪-2-羧酸酯衍生物,产率良好至优秀。