The quasi-antiaromatic 2H-indol-2-one ring system is readily generated by treating a 3-hydroxy-substituted 1,3-dihydroindol-2-one with a Lewis acid. Stepwise addition of various pi-nucleophiles to the highly reactive 2H-indol-2-one system occurs smoothly to afford substituted oxindoles. The cyclization was also carried out in an intramolecular fashion to give spiro-substituted oxindoles in good yield.
机构:
Lilly Corp Ctr, Lilly Res Labs, Chem Proc Res & Dev, Indianapolis, IN 46285 USALilly Corp Ctr, Lilly Res Labs, Chem Proc Res & Dev, Indianapolis, IN 46285 USA
Zhang, TY
;
Zhang, HB
论文数: 0引用数: 0
h-index: 0
机构:
Lilly Corp Ctr, Lilly Res Labs, Chem Proc Res & Dev, Indianapolis, IN 46285 USALilly Corp Ctr, Lilly Res Labs, Chem Proc Res & Dev, Indianapolis, IN 46285 USA
机构:
Lilly Corp Ctr, Lilly Res Labs, Chem Proc Res & Dev, Indianapolis, IN 46285 USALilly Corp Ctr, Lilly Res Labs, Chem Proc Res & Dev, Indianapolis, IN 46285 USA
Zhang, TY
;
Zhang, HB
论文数: 0引用数: 0
h-index: 0
机构:
Lilly Corp Ctr, Lilly Res Labs, Chem Proc Res & Dev, Indianapolis, IN 46285 USALilly Corp Ctr, Lilly Res Labs, Chem Proc Res & Dev, Indianapolis, IN 46285 USA