Insight into the Synthesis, Biological Impact and Convenient Routes of Hydrazonoyl Halides for Synthesis of Novel Bioactive Heterocycles: Mini-Review [PDF]
Egyptian Journal of Chemistry, 2023 The present survey review focuses on the synthetic methods of hydrazonoyl halides published during the past 20 years. The review covers also the pharmaceutical and biological activities of some hydrazonoyl halides.
Shrouk Osman +3 more
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Design, Synthesis, and Biological Evaluations of Novel Azothiazoles Based on Thioamide [PDF]
Current Issues in Molecular Biology, 2022 Herein we studied the preparation of different thiazoles via the reaction of 2-(3,4-dimethoxybenzylidene)hydrazine-1-carbothioamide (1) with hydrazonoyl halides under base-catalyzed conditions.
Abdelwahed R. Sayed +4 more
doaj +2 more sources
Reactions with Hydrazonoyl Halides. Part 21. Reinvestigation of the Reactions of Hydrazonoyl Bromides with 1,1-Dicyanothioacetanilide [PDF]
Journal of Chemical Research, 1999 AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Abdou O. Abdelhamid +2 more
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Angular Regioselective Synthesis of Varied Functionalized Hexahydro-1,2,4-triazolo[4,3-a]quinazolin-9-ones and Their Antiproliferative Action. [PDF]
Molecules, 2023 New 2-thioxopyrimidin-4-ones capable of participating in regioselective reactions with functionally diverse hydrazonoyl chlorides towards angular regioisomers, rather than linear ones, were designed and synthesized to form stereoisomeric cis- and trans ...
Said AI +4 more
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Reactions with Hydrazonoyl Halides. 31. Synthesis of Some New Pyrrolidino[3,4-c]pyrazolines, Pyrazoles, and Pyrazolo[3,4-d]pyridazines [PDF]
Molecules, 2000 Pyrrolidino[3,4-c]pyrazoline and pyrazole derivatives were synthesized via reactions of a substituted hydrazonoyl bromide with N-arylmaleimides and active methylene reagents, respectively. Synthesized pyrazoles were reacted with hydrazine hydrate to give
Nagla A. Ahmed +3 more
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Reaction of Nitrilimines with Pyruvaldehyde Hydrazones: Synthesis and Antimicrobial Evaluation of Some New 1,2,4-Triazole Derivatives [PDF]
Journal of Chemistry, Volume 2015, Issue 1, 2015., 2015 A new series of 1,3,4,5,5‐pentasubstituted‐1,2,4‐triazoles (4a–j, 6a–j) have been synthesized by the 1,3‐dipolar cycloaddition of suitable nitrilimines 2 to pyruvaldehyde (2‐oxopropanal) hydrazones having (COPh, COOMe, COOEt, Me/Me, and Me/Ph) groups 3 and 5.
Hany M. Dalloul, Sevgi Kolaylı
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Synthesis and In Silico Study of Some New bis-[1,3,4]thiadiazolimines and bis-Thiazolimines as Potential Inhibitors for SARS-CoV-2 Main Protease [PDF]
Current Issues in Molecular Biology, 2022 A novel series of bis-[1,3,4]thiadiazolimines, and bis-thiazolimines, with alkyl linker, were synthesized through general routes from cyclization of 1,1′-(hexane-1,6-diyl)bis(3-phenylthiourea) and hydrazonoyl halides or α-haloketones, respectively ...
Sobhi M. Gomha +7 more
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Concomitant colour polymorphs of (Z)-N-(4-fluorophenyl)-2-oxopropanehydrazonoyl chloride. [PDF]
Acta Crystallogr C Struct Chem(Z)‐N‐(4‐Fluorophenyl)‐2‐oxopropanehydrazonoyl chloride forms concomitant colour polymorphs, namely, block‐shaped pale‐orange crystals of form I (space group P21/n, Z = 4) and needle‐shaped pale‐yellow crystals of form II (space group P21/c, Z = 4).The title compound, (Z)‐N‐(fluorophenyl)‐2‐oxopropanehydrazonoyl chloride, C9H8ClFN2O, was found to form ...
Müller L +3 more
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Electrochemical synthesis of pyrazolines and pyrazoles via [3+2] dipolar cycloaddition [PDF]
Angewandte Chemie International Edition, Volume 62, Issue 9, February 20, 2023., 2023 Pyrazolines and pyrazoles are common and important motifs of pharmaceutical agents and agrochemicals. Herein, the first electrochemical approach for their direct synthesis from easily accessible hydrazones and dipolarophiles up to decagram scale is ...
Bär, Robin M. +5 more
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Synthesis of Two Isomeric Thiadiazine and Thiazole Derivatives from a Hydrazonoyl Halide
Polycyclic Aromatic Compounds, 2021 Thiadiazine and thiazoles have attracted importance due to their broad applicability as biologically active compounds.
Yasair S. Al‐Faiyz +1 more
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