One-Pot Catalyst-Free Domino Condensation/Intramolecular 1,3-Dipolar Cycloaddition: Highly Stereoselective Access to Phosphadihydrocoumarin-Fused N,N-Bicyclic Pyrazolidin-3-ones
作者:Mingshu Wu、Jie Jiang、Zhongxiang Zhu、Qinghe Wang、Dulin Kong
DOI:10.1055/s-0036-1590896
日期:2018.1
lar cycloaddition reaction of various substituted 2-(vinylphosphoryloxy)benzaldehydes with pyrazolidin-3-one took place at room temperature. Three new bonds (C–C, 2 × C–N) and two new nitrogen and phosphorus heterocycles were simultaneously constructed. The reaction is particularly attractive due to features such as low cost, mild conditions, atom economy, high stereoselectivity, and potential biological
摘要 为构建磷和氮稠合的多环骨架衍生物,开发了一种简洁,原子经济且具有高度区域/立体选择性的合成策略。各种取代的2-(乙烯基磷酰氧基)苯甲醛与吡唑烷丁-3-酮的一锅,两步,无催化剂的多米诺胺缩合/分子内环加成反应在室温下进行。同时构建了三个新的键(CC,2×C–N)和两个新的氮和磷杂环。由于诸如低成本,温和条件,原子经济,高立体选择性和产物的潜在生物活性的特征,该反应特别有吸引力。 为构建磷和氮稠合的多环骨架衍生物,开发了一种简洁,原子经济且具有高度区域/立体选择性的合成策略。各种取代的2-(乙烯基磷酰氧基)苯甲醛与吡唑烷丁-3-酮的一锅,两步,无催化剂的多米诺胺缩合/分子内环加成反应在室温下进行。同时构建了三个新的键(CC,2×C–N)和两个新的氮和磷杂环。由于诸如低成本,温和条件,原子经济,高立体选择性和产物的潜在生物活性的特征,该反应特别有吸引力。