Facile, Regio- and Diastereoselective Synthesis of Spiro-Pyrrolidine and Pyrrolizine Derivatives and Evaluation of Their Antiproliferative Activities
作者:Abdulrahman Almansour、Raju Kumar、Farzana Beevi、Amir Shirazi、Hasnah Osman、Rusli Ismail、Tan Choon、Brian Sullivan、Kellen McCaffrey、Alaa Nahhas、Keykavous Parang、Mohamed Ali
DOI:10.3390/molecules190710033
日期:——
A number of novel spiro-pyrrolidines/pyrrolizines derivatives were synthesized through [3+2]-cycloaddition of azomethine ylides with 3,5-bis[(E)-arylmethylidene]tetrahydro-4(1H)-pyridinones 2a-n. Azomethine ylides were generated in situ from the reaction of 1H-indole-2,3-dione (isatin, 3) with N-methylglycine (sarcosine), phenylglycine, or proline. All compounds (50 μM) were evaluated for their antiproliferative
许多新型螺-吡咯烷/吡咯烷衍生物是通过偶氮甲碱叶立德与 3,5-双 [(E)-芳基亚甲基]四氢-4(1H)-吡啶酮 2a-n 的 [3+2]-环加成反应合成的。Azomethine ylides 是通过 1H-indole-2,3-dione(靛红,3)与 N-甲基甘氨酸(肌氨酸)、苯基甘氨酸或脯氨酸的反应原位生成的。评估了所有化合物 (50 μM) 对人乳腺癌 (MDA-MB-231)、白血病淋巴细胞 (CCRF-CEM) 和卵巢癌 (SK-OV-3) 细胞的抗增殖活性。N-α-苯基取代的螺-吡咯烷衍生物 (5a-n) 在 MDA-MB-231 中显示出比其他癌细胞系更高的抗增殖活性。在螺-吡咯嗪 6a-n 中,包括 6a-c 和 6i-m 在内的许多衍生物在所有三种细胞系中都显示出与阿霉素相当的活性。在所有三类化合物中,6a、6b 和 6m 被发现是最有效的衍生物,在 MDA-MB-231、SK-OV-3