Tosylaten
Tosylaten, also known as para-toluenesulfonate, is an anion with the chemical formula CH₃C₆H₄SO₃⁻. It is the conjugate base of *p*-toluenesulfonic acid. The tosyl group, abbreviated as Ts or Tos, is a chemical substituent with the formula CH₃C₆H₄SO₂-. This group is derived from *p*-toluenesulfonic acid. Tosylates are commonly encountered as salts or esters of *p*-toluenesulfonic acid.
In organic chemistry, tosylate is an excellent leaving group. This property makes it useful in nucleophilic
Tosylates are also utilized in the protection of alcohols during multi-step organic syntheses. By converting an