The invention relates to new 6-phenylpyrrolopyrimidine derivatives of formula (I): wherein -X-C-Y- represents (A) or -X-C-Y- represents (B) and to their use as selective cyclic GMP specific phosphodiesterase (PDE 5)inhibitors, processes for producing them, intermediates used in their production, compositions containing them and their applicability in medical treatment of the human or animal body.
