An Efficient Synthesis of Bis-indolylindane-1,3-diones, Indan-1,3-diones, and Indene-1,3(2H)-denies Using [Hbim]BF<sub>4</sub> Ionic Medium

<table>Plausible mechanism for the synthesis of indene-1,3(2H)-denies in the presence of [Hbim]BF<sub>4</sub> ionic medium.</table>

International Scholarly Research Notices

sch3

Scheme 3

Scheme 3: An Efficient Synthesis of Bis-indolylindane-1,3-diones, Indan-1,3-diones, and Indene-1,3(2H)-denies Using [Hbim]BF<sub>4</sub> Ionic Medium 

International Scholarly Research Notices

An Efficient Synthesis of Bis-indolylindane-1,3-diones, Indan-1,3-diones, and Indene-1,3(2H)-denies Using [Hbim]BF4 Ionic Medium

Scheme 3

An Efficient Synthesis of Bis-indolylindane-1,3-diones, Indan-1,3-diones, and Indene-1,3(2H)-denies Using [Hbim]BF₄ Ionic Medium