Synthesis of proline-modified analogues of the neuroprotective agent glycyl-l-prolyl-glutamic acid (GPE)
摘要:
The synthesis of ten proline-modified analogues of the neuroprotective tripeptide GPE is described. Five of the analogues incorporate a proline residue with a hydrophobic group at C-2 and two further analogues have this side chain locked into a spirolactam ring system. The pyrrolidine ring was also modified by replacing the gamma-CH2 group with sulfur and/or incorporation of two methyl groups at C-5. (c) 2005 Elsevier Ltd. All rights reserved.