What will be the efficient route for synthesis of 2-hydroxy-5-nitroisophthalaldehyde??

I found difficulty in synthesizing of 2-hydroxy-5-nitroisophthalaldehyde from p-nitrophenol by using duff reaction(HMTA, Trifloroacetic acid at 110 oC) having yield around 4-6 % please provide...

07 July 2023 2,550 0 View