Molecular diversity of the reactions of MBH carbonates of isatins and various nucleophiles

• Zi-Ying Xiao,
• Jing Sun and
• Chao-Guo Yan

Beilstein J. Org. Chem. 2025, 21, 286–295, doi:10.3762/bjoc.21.21

• diastereomeric ratios. The relative configurations of the various polycyclic compounds were clearly elucidated by determination of several single crystal structures. Keywords: allylic SN2 reaction; dimerization; isatin; MBH carbonate; 3-methyleneoxindole; Introduction Isatins (indoline-2,3-diones) possessing

• triphenylphosphine with MBH nitriles of isatins in acetonitrile at room temperature quickly gave red solid products 6a–d in high yields (Scheme 3). In this reaction, triphenylphosphine acted as a nucleophile to finish an allylic SN2 reaction. The obtained triphenylphosphaneylidenes are stable, which can be isolated