Synthesis and analgesic activities of urea derivatives of α-amino-N-pyridyl benzene propanamide
作者:E Sartori、F Camy、JM Teulon、F Camborde、J Meignen、F Hertz、A Cloarec
DOI:10.1016/0223-5234(94)90070-1
日期:1994.1
New urea L-phenyl alanine derivatives of 4-aminopyridine have been synthesized and evaluated for analgesic activity with the PBQ writhing test in mice and the Randall-Selitto test in rats. Potent oral activity (ID50 < 10 mg/kg) and good tolerance were found in alkyl, arylalkyl and carboxyalkyl urea derivatives. The analgesic activity was found to be totally dependent on the pyridine moiety and was at least partly inhibited by pretreatment with (alpha) methyltyrosine, as was the case for 4-aminopyridine. These compounds are therefore pharmacologically interesting as new analgesic derivatives of 4-aminopyridine. They have a higher oral activity and a better activity/tolerance profile.