Gala coach Fatih Terim has already declared he wants to see the Brazilian signed.
Unal said: "My colleagues and I will work with all our strength to fulfill his desire. Terim said he needed a player. So if we have to sign in January, we'll do that.
"Terim is very important to us and we want him to be happy. Now if only the club (Real) are prepared to sell the player ..."