6-Alkyl-N,N-disubstituted-2-pyridinamines as anticonvulsant agents
摘要:
The anticonvulsant effect of a series of 6-alkyl-N,N-disubstituted-2-pyridinamines is described. An investigation was carried out to optimize the anticonvulsant activity and reduce behavioral side effects in this series. Three compounds (7, 8, 10; Table I) were selected from initial screening for a more complete pharmacological evaluation. While each of these compounds was a potent anticonvulsant agent with ED50 values from 5 to 10 mg/kg, the activity was accompanied by significant behavioral side effects including decreased spontaneous locomotion, ataxia, and ptosis.
Practical Routes to 2,6-Disubstituted Pyridine Derivatives
作者:Lucie Vandromme、Hans-Ulrich Reißig、Susie Gröper、Jürgen P. Rabe
DOI:10.1002/ejoc.200701200
日期:2008.4
starting from readily available 2-substituted pyridines. The main sequence involves a selective α-lithiation reaction with halogen functionalization followed by a Grignard reaction catalyzed by Fe(acac)3. After demonstration of the easy feasibility of this strategy by synthesizing 2,6-disubstituted pyridines 1, the route was applied to obtain pyridine derivatives bearing electron-donating or electron-withdrawing