The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 1-(tert-Butyl)-1H-pyrrole-2,5-dione( cas:4144-22-3 ) is researched.Computed Properties of C8H11NO2.Li, Xin-Ran; Chen, Si-Qi; Fan, Juan; Li, Chao-Jun; Wang, Xue; Liu, Zhong-Wen; Shi, Xian-Ying published the article 《Controllable Tandem [3+2] Cyclization of Aromatic Aldehydes with Maleimides: Rhodium(III)-Catalyzed Divergent Synthesis of Indane-Fused Pyrrolidine-2,5-dione》 about this compound( cas:4144-22-3 ) in Organic Letters. Keywords: indane fused pyrrolidinedione diastereoselective synthesis tandem cyclization aldehyde maleimide. Let’s learn more about this compound (cas:4144-22-3).
Controllable rhodium(III)-catalyzed tandem [3+2] cyclization of aromatic aldehydes with maleimides is developed for the divergent synthesis of stereoselective indane-fused pyrrolidine-2,5-dione. Switchable access to different products could be achieved by employing different additives and varying the reaction time. This atom-economic transformation proceeds efficiently via the C-H bond activation directed by weakly coordinating aldehydes and is characterized by exclusive stereoselectivity, air atm., and being free of nitrogen-based transient directing groups.
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