Parallel Synthesis of 1-Substituted 5-(5-Oxopyrrolidin-3-yl)-1H-pyrazole-4-carboxamides
作者:Jurij Svete、Peter Perdih、Jernej Baškovč、Georg Dahmann、Uroš Grošelj、Drago Kočar、Ana Novak、Branko Stanovnik
DOI:10.1055/s-0030-1261034
日期:2011.9
parallel solution-phase synthesis of 5-(5-oxo-1-phenylpyrrolidin-3-yl)-1H-pyrazole-4-carboxamide derivatives as conformationally constrained pyrazole analogues of histamine starting from itaconic acid was developed. The synthetic method comprises a five-step preparation of 1-substituted 5-(5-oxo-1-phenylpyrrolidin-3-yl)-1H-pyrazole-4-carboxylic acids followed by parallel amidation with various primary
从衣康酸开始,开发了5-(5-氧代-1-苯基吡咯烷基-3-基)-1 H-吡唑-4-羧酰胺衍生物的平行溶液相合成,这是组胺的构象受约束的吡唑类似物。合成方法包括五步制备1-取代的5-(5-氧代-1-苯基吡咯烷基-3-基)-1 H-吡唑-4-羧酸,然后与各种伯胺和仲胺平行酰胺化,得到具有24个组胺类似物的文库,具有很高的总收率和很高的纯度。该方法是通用的并且与底物无关。所有酰胺化反应均顺利进行,并且在反应物的结构上未观察到反应性的主要差异。 吡咯烷酮-吡唑-环缩合-酰胺化-组胺类似物