1,1'-[Oxybis(3,1-propanediyloxymethylene)]bis-benzene is an intermediate in the synthesis of 3,3'-[Oxybis(3,1-propanediyloxy)]bis[1-propanol] (O870290). 3,3'-[Oxybis(3,1-propanediyloxy)]bis[1-propanol] is derived from 3-(Benzyloxy)propyl 4-Toluenesulfonate (B288830), which is used as a reagent in the synthesis of Silodosin (S465000); an antidysuria drug. 3-(Benzyloxy)propyl 4-Toluenesulfonate is also used as a reagent in the preparation of aryloxyalkyl derivatives of adenine which have antiviral activity.