Synthesis of compounds 7–9.

 
 
  Part of: Al-Mahadeen MM, Jaber AM, Al-Najjar BO (2024) Design, synthesis and biological evaluation of novel 2-hydroxy-1 H-indene-1,3(2 H)-dione derivatives as FGFR1 inhibitors. Pharmacia 71: 1-9. https://doi.org/10.3897/pharmacia.71.e122127