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Journals and Conferences
The larvicidal potential of several dopamine 1-phenylisoquinoline derivatives against Culex quinquefasciatus third instar larvae was investigated in a rational search for insecticides. The results showed that these isoquinolines presented moderate larvicidal activity, that the presence of a substituent is needed on carbon 1 for such activity to be presented… (More)
Bioassay-guided fractionation of Berberis tabiensis against Culex quinquefasciatus third instar larvae afforded a new bisbenzyltetrahydroisoquinoline alkaloid having an unusual head-head binding pattern. This new alkaloid (tabienine B) is the first member of this family found to possess a diphenyl ether bridge in C-6 and C-7'.
The title compound, C(12)H(17)NO(3), adopts a folded conformation with a C-C(NH(2))-C(=O)-O torsion angle of -95.9 (2)°. In the crystal, mol-ecules are linked by an O-H⋯N hydrogen bond, forming helical chains along the b-axis direction. Weak N-H⋯O and C-H⋯O hydrogen bonds are observed between the chains.