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 ______      ___     __   __     ___      _  __  
|      \\   / _ \\   \ \\/ //   / _ \\   | |/ // 
|  --  //  / //\ \\   \   //   | / \ ||  | ' //  
|  --  \\ |  ___  ||  / . \\   | \_/ ||  | . \\  
|______// |_||  |_|| /_//\_\\   \___//   |_|\_\\ 
`------`  `-`   `-`  `-`  --`   `---`    `-` --`

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Text this: Metal-free synthesis of 3,3′-bisindolylmethanes in water using Ph₃C⁺[B(C₆F₅)₄]⁻as the pre-catalyst