| abstract |
In the present invention, the 2,5-position OH group bonded to the 1,3-cyclohexadiene ring from the compound of the formula (II) is represented by the following (1) to (4): (1) a Sn (II) compound, (2) Fe (II) compound (3) Low-valent inorganic metal salt compound selected from Cu, CuCl, CuBr, Mn, TiCl 3 or CrCl 3 (4) A process for producing a compound represented by the following formula (I), wherein the compound is reductively eliminated in the presence of the reducing agent according to any one of cyclohexadiene and led to a paraphenylene ring. [Chemical 1] (Wherein l, m, n, o, R, A 1 and A 2 are as defined in the specification, provided that when l = n = 2, p in A 1 and A 2 are both Except when it is 0.) I will provide a. |