Synthesis and antinociceptive activity of pyrazolyl isoxazolines and pyrazolyl isoxazoles
作者:K. Karthikeyan、T. Veenus Seelan、K.G. Lalitha、P.T. Perumal
DOI:10.1016/j.bmcl.2009.05.055
日期:2009.7
Pyrazolyl isoxazolines and isoxazoles were synthesised in moderate to good yields using 1,3-dipolar cycloaddition of pyrazole derived nitrile oxide with various dipolarophiles such as N-substituted maleimide, diethylacetylene dicarboxylate and phenylacetylene. The synthesized compounds were evaluated for antinociceptive activities. The 3-pyrazolyl-4,5-dicarbethoxy isoxazoles (9a-c) exhibited the maximum antinociceptive activity. (C) 2009 Elsevier Ltd. All rights reserved.