Chiral Spirooxindole–Butenolide Synthesis through Asymmetric N‑Heterocyclic Carbene-Catalyzed Formal (3 + 2) Annulation of 3‑Bromoenals and Isatins
收藏NIAID Data Ecosystem2026-03-09 收录
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By using an N-heterocyclic carbene catalyst bearing a hydroxyl moiety, the asymmetric formal (3 + 2) cyclization of aryl 3-bromoenals and isatins was achieved to produce a series of chiral spirooxindole–butenolides including an alkenyl-substituted compound, which underwent benzannulations with benzynes to form intriguing spirocyclic scaffolds.
创建时间：
2016-02-16
