α-[3,4-Bis[(tetrahydro-2H-pyran-2-yl)oxy]phenyl]-1,3-dithiane-2-methanol is an intermediate used in the synthesis of 3,4-Dihydroxyphenylglycolaldehyde (Dopegal) (D454655), which is the monoamine oxidase metabolite of dopamine which is toxic of in a concentrated amount and may be a target for Alzheimer or Parkinson’s therapy.