1993
DOI: 10.1002/poc.610060104
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Zn2+ complexes with N‐(2‐pyridyl)cinnamides: Characterization and UV studies

Abstract: Zinc(") complexes of N-pyridylcinnamides (H, m-OCH3, p-OCH, and /?-OH derivatives) were studied by spectrophotometric methods in aprotic media, and represent a chemical model inhibition by cinnamides of coniferyl alcohol dehydrogenase (CAD), a zinc enzyme involved in the lignilication process. The complexation of Npyridylcinnamide and m-methoxy-N-pyridylcinnamide with zinc ion is effected according to a 1 : 1 stoichiometry (ML), whereas a two-step equilibrium ( M + L = MLI='.ML*) is preferred with p-methoxy an… Show more

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“…Ces rCsultats ont Ct C confirmCs par la caracterisation a 1'Cchelle rnacroscopique de ces complexes (17).…”
Section: Complexes Des Alde'hydes 1 A-6aunclassified
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“…Ces rCsultats ont Ct C confirmCs par la caracterisation a 1'Cchelle rnacroscopique de ces complexes (17).…”
Section: Complexes Des Alde'hydes 1 A-6aunclassified
“…Les ligands aldehydes et amides sont prepares 2 une concentration de 4 X mol L-' dans le diCthylCther anhydre auxquels sont ajoutCs la seringue une solution de ZnBr, dans le diethylether Pre'pnrration des complexes des anlides 5b et 6b Les syntheses des complexes des amides 5b et 6b sont rCalisCes selon la mCthode prCcCdemment dCcrite ( 17).…”
Section: Conditions De L'e'tude Uvunclassified
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