What are tautomers? What applications do they have in modern chemistry?
Tautomers are constitutional isomers, that readily interconvert. The classic tautomerism is keto-enol tautomerism, which I will illustrate.
A ketone, for instance, acetone, has a enol tautomer:
These are clearly constitutional isomers as they each have the same
As to the applications, such enol tautomerism allows for