hydrazone


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hy·dra·zone

(hī'dră-zōn),
A substance derived from aldehydes and ketones by reaction with hydrazine or a hydrazine derivative to give the grouping R'R"C=N-NHR.
References in periodicals archive ?
They react rapidly with each other, however, to form stable hydrazone bonds; therefore, we had to introduce hydrazine groups in the hTf protein after biotinylation via reaction with the bifunctional reagent SANH.
Summary: Different analogs of 1-ethyl-1, 4-dihydro-7-methyH-4-oxo-1, 8-naphthyridine-3-carbohydrazide (carbonyl hydrazone derivatives of Nalidixic acid, H 1-10) and their copper complexes have been synthesized from reaction of Nalidixic acid hydrazide with substituted benzaldehyde.
Under the conditions given, hydrazine is thought to cleave covalently linked SA-protein adducts (4) and to simultaneously form a hydrazone derivative (Fig.
22 mmol/L 3-methyl-2-benzothiazolinone hydrazone along with buffer (pH 3.
The brown colored fraction of activated HRP was directly collected in a vial containing 100 mg of ADH; the reaction mixture was vortexmixed and kept overnight at 4 [degrees]C to form a hydrazone bond (Fig.
Enzyme activity was measured with a 3-methyl-2-benzothiazoline hydrazone assay for the keto product of the [alpha],[gamma]-elimination reaction (19).
Al-Shaalan, Synthesis, Characterization and Biological Activities of Cu(II), Co(II), Mn(II), Fe(II), and UO2(VI) Complexes with a New Schiff Base Hydrazone: O- Hydroxyacetophenone-7-chloro-4-quinoline Hydrazone, Molecules 16, 8629 (2011).
Cholesterol esters of HDL-C and VLDL-C are preferentially hydrolyzed by a cholesterol esterase (Chromobacterium); cholesterol oxidase and hydrazine then convert the accessible cholesterol to cholestenone hydrazone.
Reversed-phase high-performance liquid chromatographic analysis of branched-chain keto acid hydrazone derivatives: optimization of techniques and application to branched-chain keto acid balance studies across the forearm.
The Schiff bases or hydrazone scaffold with extensive pharmacological properties [13] exhibited activity against malaria [14].