The structure-based design and synthesis of a completely non-peptidic, micr
omolar antagonist of the SH2 domain of Grb2 is presented. The compound mimi
cs the two main pharmacophores of the natural ligand, the phenylphosphate o
f the phosphotyrosine residue and the beta-carboxamide of the X+2 asparagin
e, which are linked by a rigid aromatic spacer. (C) 1999 Elsevier Science L
td. All rights reserved.