Recent Advances in Asymmetric Addition Reactions to Isatins

K Xie, A Li, BR Kong, ZC Chen, W Du, YC Chen - Synthesis, 2024 - thieme-connect.com
The 3-substituted-3-hydroxy-2-oxindole scaffolds are not only widely encountered in
bioactive compounds but also serve as versatile building blocks for the construction of …

Base Mediated Formal [2+ 4] Annulation of 3‐Hydroxyoxindoles with 1, 2‐Bis (bromomethyl) benzene: Access to Spirooxindole‐Fused Oxacycles

J Feng, B Yang, X Wang, Y Wu, S Wang, Y Li… - …, 2024 - Wiley Online Library
Here a base‐mediated formal [2+ 4] annulation of 3‐hydroxyoxindoles with 1, 2‐bis
(bromomethyl) benzene have been accomplished, affording spirooxindole‐fused oxacycles …