Diastereoselective One-Pot Tandem Synthesis of 3-Substituted Isoindolinones: A Mechanistic Investigation
作者:Marcus Angelin、Martin Rahm、Andreas Fischer、Tore Brinck、Olof Ramström
DOI:10.1021/jo100868z
日期:2010.9.3
base-catalyzed one-pot reaction of 2-cyanobenzaldehyde and primary nitroalkanes, to produce 3-substituted isoindolinones, has been investigated. A route starting with a nitroaldol (Henry) reaction, followed by a subsequent cyclization and rearrangement, was supported by intermediate analogue synthesis and DFT calculations. Direct diastereoselective crystallization from the reaction mixture was also
已经研究了2-氰基苯甲醛和伯硝基烷烃的碱催化的一锅反应产生3-取代的异吲哚满酮的机理。中间体类似物合成和DFT计算可支持从硝基醛(Henry)反应开始,随后环化和重排的路线。还可以从反应混合物中直接进行非对映选择性结晶,并研究了多种底物。此外,3-取代的异吲哚啉酮是一组有趣的化合物,既是重要的天然产物,又是其他有价值的结构单元的前体。