Quaternary Ammonium Salt-Promoted Multi-Component Reaction in Water: Access to 3-Alkyl-2, 3-Dihydro-1H-Isoindolin-1-One Derivatives
作者:Fu-Zhong Han、Bo-Bo Su、Li-Na Jia、Peng-Wei Wang、Xiang-Ping Hu
DOI:10.1002/adsc.201600944
日期:2017.1.4
A concise synthesis of alkyl‐2,3‐dihydro‐1H‐isoindolin‐1‐one derivatives from 2‐formyl benzoic acid, β‐keto acid, and ammonia or primary amine was developed via a quaternary ammonium salt‐promoted multi‐component sequence of decarboxylative alkylation/lactamization reaction in water, in which the target products were obtained in good to excellent yields.
One-Pot Synthesis of Isoindolinones via Three-Component Mannich/Lactamization Cascade Reaction
作者:Haoyi Zhang、Yixin Leng、Wenjing Liu、Wenhu Duan
DOI:10.1080/00397911.2010.535948
日期:2012.4.15
3-substituted 2,3-dihydroisoindolin-1-ones was achieved with good yields (up to 88%). The process features broad substrate scope, high efficiency, and simplicity, using an one-pot, three-componentMannich/lactamization cascade reaction in the absence or presence of p-toluenesulfonic acid. GRAPHICAL ABSTRACT
Unified Approach to Isoindolinones and THIQs via Lewis Acid Catalyzed Domino Mukaiyama–Mannich Lactamization/Alkylations: Application in the Synthesis of (±)-Homolaudanosine
作者:Sivasankaran Dhanasekaran、Anirban Kayet、Arun Suneja、Vishnumaya Bisai、Vinod K. Singh
DOI:10.1021/acs.orglett.5b01197
日期:2015.6.5
variety of isoindolinones and tetrahydroisoquinolines via a Lewis acid catalyzed domino Mukaiyama–Mannich lactamization/alkylation is achieved. This transformation comprises a sequential formation of three new bonds through a one-pot, three-component procedure to afford product in moderate to high yields. A concise synthesis of (±)-homolaudanosine (2b) has been achieved using this method.