1,5-Bis-chloromethyl-naphthalene

1,5-Bis(chloromethyl)naphthalene is a reactant in the synthesis of 1,4-bis[-E-4-(N,N-diphenylamino)styryl]naphthalene (Np-G1) and 2,8-bis[-E-4-(N,N-diphenylamino) styryl]dibenzothiophene (ST-G1) which are used in organic light emitting devices (OLED).