what-role-does-h3po2-play-in-the-use-of-diazole-compounds-for-ortho-substitution

Question

What role does H3PO2 play in the use of diazole compounds for ortho substitution?

Accepted Answer

It removes the diazole blocking group to allow ortho substitution.

Answer

It dissolves diazole compounds to increase solubility.

Answer

It adds more diazole groups to the compound.

Answer

It inhibits ortho substitution by strengthening diazole bonds.