Topic
Hydrazone
About: Hydrazone is a research topic. Over the lifetime, 4853 publications have been published within this topic receiving 65160 citations. The topic is also known as: hydrazone.
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TL;DR: A series of phosphine-functionalized hydrazone/thiosemicarbazone ligands and their corresponding ruthenium(II) carbonyl complexes of the type [RuCl(CO)(AsPh3)(L)] were characterized by elemental analyses and various spectral methods as discussed by the authors.
36 citations
TL;DR: In this paper, Naphthalene-diazonium chloride with the appropriate passive components and their 1 H, 13 C and 15 N N NMR spectra were measured and analysed.
35 citations
TL;DR: A practical asymmetric synthesis of the estrogen receptor beta selective agonist (7β-9aβ)-1,4-dichloro-2-hydroxygibba-1(10a),2,4,4b-tetraen-6-one (1), proceeding by way of six isolated intermediates and without recourse to chromatography, is described.
35 citations
TL;DR: Two receptors for fluoride ions based on acyl hydrazone are synthesized from the corresponding ketones and benzoic acid hydrazide and characterized spectroscopically by UV-visible, IR and 1HNMR techniques, indicating the participation of -NH proton of the receptors in the sensing action through the hydrogen bonding.
35 citations
TL;DR: In this paper, a mixture of aldehydes with α-halocarbamoyl reagents was used to synthesize pyridinethiones and enaminonitrile derivatives.
Abstract: The novel hydrazone derivatives 2a-c were prepared by treatment of aldehydes la,b with some hydrazines. Thiocarbamoyl functional group in compound 2a was subjected to cyclization reactions with some α-halocarbonyl reagents and furnished the novel thiazoles 4-6, 8 and 9. Enaminonitrile 10 and pyridinone 13 derivatives were synthesized by interaction of active methylene compound 2b with N,N-dimethylform-amide-dimethylacetal and ketene dithioacetal 11, respectively. Aliphatic, aromatic and heteroaromatic active methylene compounds were condensed with aldehydes la,b to afford the new ylidenes 15a-d, 19a,b, 20 and 21. Substituted pyridinethiones 22 and 23 were prepared in high yields by cyclocondensation of 15c with malononitrile and ethyl cyanoacetate, respectively. Indeno[1,2-b]pyridines 26a,b were obtained by the reaction of ylidenes 19a,b with cyanothioacetamide in ethanol and in the presence of sodium ethoxide under reflux. The structures of the synthesized compounds were established from their analytical and spectral data. The prepared compounds were also screened for their antimicrobial activity.
35 citations