Synthesis of Some Novel <i>N</i>-Substituted Phthalazinone and Pyridopyridazinone Derivatives
作者:Zbigniew Malinowski、Dariusz Sroczyński、Aleksandra K. Szcześniak
DOI:10.1080/00397911.2015.1025282
日期:2015.8.3
Abstract Phthalazinone and pyridopyridazinone derivatives 3, 5, and 9 were prepared via reaction ofappropriate lactams 2 and 8 with 2-bromoethylphthalimide, N-tosylaziridine, and N,O-ditosyl derivatives of N-methylethanolamine in a two-step process in the presence of MeONa/MeOH or NaH/dimethylformamide (DMF). Starting compounds 2 and 8 were obtained by reaction of hydrazine hydrate with isoindolinones
摘要 通过合适的内酰胺 2 和 8 与 2-溴乙基邻苯二甲酰亚胺、N-甲苯磺酰氮丙啶和 N-甲基乙醇胺的 N,O-二甲苯磺酰衍生物在两步法存在下反应制备了酞嗪酮和吡啶并哒嗪酮衍生物 3、5、9。 MeONa/MeOH 或 NaH/二甲基甲酰胺 (DMF)。通过水合肼与异吲哚酮1或氮杂异吲哚酮6反应得到起始化合物2和8。选择的N-(2-邻苯二甲酰亚胺乙基)-酞嗪酮通过处理以令人满意的收率转化为相应的2-[2-(甲氨基)乙基]-衍生物用肼。图形概要