Dehydration of Phenyl-1-propanol

[bell]

Dehydration of Phenyl-1-propanol with any suitable catalyst like p-Toluenesulfonic Acid or Potassium Hydrogen Sulfate will eliminate water from the alcohol

Reference:

https://www.thevespiary.org/rhodium/Rhodium/chemistry/p1pol.elimination.html#khso4

Now does that mean that it would work on MDP2POL that degraded to MDP1POL?

[Rhodium]

Yes, the same procedure would work for the conversion of MDP1Pol to Isosafrole.

Is is also used in Pihkal #94 for the synthesis of 1-(3,4-Methylenedioxyphenyl)-2-butene from 1-(3,4-methylenedioxyphenyl)-1-butanol.