Category: 3326-71-4

Quality Control of 2-Furoic hydrazide. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Investigation of DNA interaction and antiproliferative activity of mixed ligand dioxidomolybdenum(VI) complexes incorporating ONO donor aroylhydrazone ligands. Author is Dinda, Rupam; Panda, Arpita; Banerjee, Atanu; Mohanty, Monalisa; Pasayat, Sagarika; Tiekink, Edward R. T..

Four new mixed ligand dioxidomolybdenum(VI) [MoVIO2L1-3(Q)] (1-3), [MoVIO2L4(Q)]2 (H2O) (4) [where Q = MeOH for 1 and imidazole for 2-4] complexes were synthesized using four different ONO donor aroylhydrazone ligands (H2L1-4). All the derived ligands and complexes were characterized by different physicochem. techniques, i.e., elemental anal., spectroscopic methods (UV-Vis, NMR and IR), and cyclic voltammetry. The mol. geometries of 1-4 were established by X-ray crystallog. which reveals the Schiff base ligands coordinate – the distorted octahedral metal centers in a di-neg. tridentate fashion. The complexes indicated moderate binding affinity (103 to 104 M-1) towards CT-DNA. Further, in vitro cytotoxicity activity of all the complexes were determined against HT-29 (colon cancer) and HeLa (cervical cancer) cell lines. Complex 4, due to the presence of a heterocyclic 2-hydroxy-1-naphthyl moiety in the ligand backbone, was found to be more biol. active in comparison to the others in the series.

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Synthetic Route of C5H6N2O2. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Synthesis, structural characterization, and computational study of (E)-N’-(3,4-dimethoxybenzylidene)furan-2-carbohydrazide. Author is Mkadmh, Ahmed M.; Morjan, Rami Y.; Raftery, James; Awadallah, Adel M.; Gardiner, John M..

An efficient synthesis of the new (E)-N’-(3,4-dimethoxybenzylidene)furan-2-carbohydrazide is described. Its mol. structural features have been characterized by single crystal X-ray diffraction. Quantum chem. calculations including mol. geometry, intermol. H-bonds and vibrational frequencies were carried out for the structures to explain stability and geometry using the hybrid d. functional (DFT/B3LYP) in conjunction with 6-311 + G(d,p) basis set. The calculated structural and vibrational parameters are presented and compared with their exptl. X-ray and FTIR counterparts. The global min. and local min. ground states characteristics of the title compound and its rotamers have been theor. established through 2D potential energy scan and vibrational frequencies. Computational anal. predicted that head-to-tail E/E-dimer of the observed E-isomer has significantly stronger intermol. hydrogen bonding in solution rather than in the gaseous state. It is found that N-H and C=O vibrational bands suffering blue-shift due to intermol. hydrogen bonds (IHBs). Weak intramol. hydrogen bonds that have been detected in the monomeric form in the gaseous state and in solution are lacking in trimers and tetramers due to loss of planarity in the mol. structure. Optimization in solution clearly shows that the strength of the IHBs decreased exponentially with dielec. continuum of the solvent used. Inexistence of solvent/monomer intermol. hydrogen bonds has been explained in terms of Condensed Fukui Functions.

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Wu, Yuan-Yuan; Shao, Wu-Bin; Zhu, Jian-Jun; Long, Zhou-Qing; Liu, Li-Wei; Wang, Pei-Yi; Li, Zhong; Yang, Song researched the compound: 2-Furoic hydrazide( cas:3326-71-4 ).Product Details of 3326-71-4.They published the article 《Novel 1,3,4-Oxadiazole-2-carbohydrazides as Prospective Agricultural Antifungal Agents Potentially Targeting Succinate Dehydrogenase》 about this compound( cas:3326-71-4 ) in Journal of Agricultural and Food Chemistry. Keywords: oxadiazolecarbohydrazide agricultural antifungal targeting succinate dehydrogenase; 1,3,4-oxadiazole; bioactivity; carbohydrazide; succinate dehydrogenase inhibitor. We’ll tell you more about this compound (cas:3326-71-4).

A novel simple 1,3,4-oxadiazole-2-carbohydrazides was reported to discover low-cost and versatile antifungal agents. Bioassay results suggested that a majority of the designed compounds were extremely bioactive against four types of fungi and two kinds of oomycetes. This extreme bioactivity was highlighted by the applausive inhibitory effects of compounds 4b, 4h, 5c, 5g, 5h, 5i, 5m, 5p, 5t, and 5v against Gibberella zeae, affording EC50 values ranging from 0.486μg/mL to 0.799μg/mL, which were superior to that of fluopyram (2.96μg/mL) and comparable to those of carbendazim (0.947μg/mL) and prochloraz (0.570μg/mL). Meanwhile, compounds 4g, 5f, 5i, and 5t showed significant actions against Fusarium oxysporum with EC50 values of 0.652, 0.706, 0.813, and 0.925μg/mL, resp. Pharmacophore exploration suggested that the N’-phenyl-1,3,4-oxadiazole-2-carbohydrazide pattern is necessary for the bioactivity. Mol. docking of 5h with succinate dehydrogenase (SDH) indicated that it can completely locate the inside of the binding pocket via hydrogen-bonding and hydrophobic interactions, revealing that this novel framework might target SDH. This result was further verified by the significant inhibitory effect on SDH activity. In addition, SEM patterns were performed to elucidate the anti-G. zeae mechanism. Given these features, this type of frameworks is a suitable template for future exploration of alternative SDH inhibitors against plant microbial infections.

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Recommanded Product: 3326-71-4. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Microwave-Assisted TBHP-Mediated Synthesis of 2-Amino-1,3,4-oxadiazoles in Water. Author is Kumar Sigalapalli, Dilep; Kadagathur, Manasa; Sujat Shaikh, Arbaz; Jadhav, Govinda S.; Bakchi, Bulti; Nagendra Babu, Bathini; Tangellamudi, Neelima D..

A one-pot synthesis of 2-amino-1,3,4-oxadiazoles I [R1 = Ph, 4-FC6H4, 3-furylmethyl, etc.; R2 = Ph, 3-HOC6H4, 3-BrC6H4, etc.] was achieved from the corresponding isothiocyanates and hydrazides in the presence of tert-Bu hydroperoxide (TBHP) and water under microwave irradiation The thiosemicarbazides intermediate could be derived in situ which underwent an intramol. cyclodesulfurization under microwave irradiation Apart from being simpler and green, this method offered significant advantages, such as short reaction times, economy and no requirement for a catalyst, with easy workup procedures to afford a variety of 2-amino-1,3,4-oxadiazoles I in significantly high yields (85-98%). Spectroscopic techniques were employed to elucidate the chem. structures of the final compounds and ESI-MS technique was employed to establish the formation of thiosemicarbazide intermediate and requirement of oxygen source for the completion of reaction and the most plausible reaction mechanism.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called A KHSO4 mediated facile synthesis of 2-amino-1,3,4-oxadiazole derivatives, published in 2021-09-10, which mentions a compound: 3326-71-4, mainly applied to amino oxadiazole preparation; isothiocyanate hydrazide potassium catalyst intramol cyclization desulfurization green chem, Recommanded Product: 3326-71-4.

A novel, efficient and mild KHSO4 mediated synthesis for 2-amino-1,3,4-oxadiazoles were established via the cyclodesulfurization of benzoylhydrazine and isothiocyanate derivatives in one pot. The reactions proceeded smoothly at room temperature and produced corresponding products in moderate to good yields. This protocol also showed good functional group tolerance.

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Computed Properties of C5H6N2O2. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Design, Synthesis, and Antifungal Activity of Novel Longifolene-Derived Diacylhydrazine Compounds.

Succinate dehydrogenase (SDH) present in the inner mitochondrial membrane is an important target enzyme for the design of SDH inhibitor-type fungicides. Using SDH as the target enzyme, 22 novel longifolene-derived diacylhydrazine compounds were designed and synthesized using the renewable natural product longifolene as the starting material. Their structures were confirmed by IR, 1H NMR, 13C NMR, electrospray mass spectrometry, and elemental anal. In vitro antifungal activity of the target compounds was preliminarily evaluated. As a result, some of them showed better or comparable antifungal activity than that of the com. fungicide chlorothalonil, in which compound I had inhibitory rates of 97.5, 80.5, 72.1, and 67.1% against Physalospora piricola, Colletotrichum orbiculare, Alternaria solani, and Gibberella zeae, resp., presenting excellent and broad-spectrum activity that deserved further study. Besides, a reasonable and effective three-dimensional structure-activity quant. relationship model has been established. There was a significant pos. correlation between the antifungal activity and the docking-based binding energy analyzed using Spearman’s rank correlation algorithm. Also, the simulative binding pattern of the target compounds with SDH was investigated by mol. docking study. Furthermore, the diacylhydrazine and phenol groups of the target compounds were proposed to be the potential pharmacophores by frontier MO anal.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Catalytic oxidation of benzyl-alcohol with H2O2 in the presence of a dioxidomolybdenum(VI) complex, published in 2020-09-24, which mentions a compound: 3326-71-4, Name is 2-Furoic hydrazide, Molecular C5H6N2O2, Computed Properties of C5H6N2O2.

A new dioxidomolybdenum(VI) complex, [MoO2(L)(CH3OH)] (1), was synthesized by the reaction of MoO3 with ONO-donor hydrazone ligand that was obtained from the condensation of benzolyacetone and furan-2-carbohydrazide in methanol. Both of the ligand and complex were characterized by elemental anal. and FTIR, NMR and UV-visible spectroscopic methods. The structure of complex was also determined by single crystal x-ray anal. Structural anal. showed that the Mo(VI) ion has a distorted octahedral geometry and the ligand is coordinated to the metal ion as dineg. ONO-donor ligand. The obtained molybdenum(VI) complex was used as catalyst in oxidation of benzyl alc. with H2O2 as a green oxidant. The effects of some parameters such as temperature, solvent and ratio of materials were also studied. Catalytic studies indicated that complex 1 can efficiently catalyze the oxidation of benzyl alc. but its activity and selectivity are considerably dependent on the reaction condition.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 2-Furoic hydrazide(SMILESS: O=C(C1=CC=CO1)NN,cas:3326-71-4) is researched.Application In Synthesis of cis-Cyclohexane-1,2-dicarboxylic acid. The article 《Cytotoxic homoleptic Ti(IV) compounds of ONO-type ligands: synthesis, structures and anti-cancer activity》 in relation to this compound, is published in Dalton Transactions. Let’s take a look at the latest research on this compound (cas:3326-71-4).

Eight Ti(IV) compounds 1-8, of the type [Ti(Ln)2] where Ln is a variously substituted dianionic tridentate acylhydrazone, were synthesized by reacting the appropriate hydrazide with 2-hydroxybenzaldehyde or 2′-hydroxyacetophenone and titanium(IV) tetra(isopropoxide) in a 2 : 2 : 1 molar ratio. The solid-state structures of 1-6 and 7·CH2Cl2 were deduced from the single crystal X-ray diffraction data, which indicated that each L2- ligand is fully deprotonated and coordinated to the Ti(IV) cation via the enolic oxygen, the imino nitrogen and the phenolic oxygen atoms (ONO donor set) in an enol tautomeric form, the metal assuming the distorted octahedral geometry. The structures of pro-ligands H2L3 and H2L5 are also reported. All complexes displayed high hydrolytic stability. In vitro cytotoxicity assays towards human ovarian A2780 and colon HT-29 cancer cell lines revealed the activity dependence on the acylhydrazone substituents, with electron-donating groups on the phenolato units enhancing the solubility and promoting cytotoxicity. The lead compound 5 of this study presents IC50 values of 2.5 ± 0.2 and 4.2 ± 0.6 μM for ovarian A2780 and colon HT-29 human cancer cells, resp.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Application of 3326-71-4. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Systematic approach of chromone skeleton for detecting Mg2+, ion: Applications for sustainable cytotoxicity and cell imaging possibilities. Author is Yadav, Neetu; Kumar, Raj; Singh, Ashok Kumar; Mohiyuddin, Shanid; Gopinath, P..

The systematic studies of chromone appended novel chemosensors, favored to Mg2+ ion detection, these were analyzed and characterized by different spectroscopic techniques such as NMR, mass spectroscopy, FTIR and optical techniques. The binding demeanor of the ligands was executed with the library of metal ions and shown the good coordination with Mg2+ ion to the ligand′s cavity. Both ligands demonstrated good binding behavior with Mg2+ ion. The ligands represented 1: 1 stoichiometry with Mg2+ ions through Job′s plot. The low limit of detection of Mg2+ ion was determined as 2.56 × 10-6 and 1.28 × 10-6 for La and Lb, resp. No interference was occurred in Inference study by foreign metal ions that supported the specific detection of Mg2+ ion among the other metal ions. Further, the cytotoxicity assay test of these chromone appended ligands revealed that both ligands and their resp. compound with Mg2+ ion shown negligible toxicity with HeLa cancer cell line. Further, due to the fluorescence properties of the ligands, with or without Mg2+ ion was successfully tested in bioimaging experiment of HeLa cancer cell lines and found that ligands with Mg2+ ions represented good imaging with HeLa cancer cell.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Application In Synthesis of 2-Furoic hydrazide. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about A new fluorescent chemosensor for Al(III) detection with highly selective in aqueous solution and solid test paper. Author is Xiu, Deping; Shi, Junjie; Deng, Miaoran; Song, Huihua; Hao, Zhiqiang; Feng, Qi; Yu, Haitao.

A new fluorescent chemosensor (I) based on salicylaldehyde hydrazide was facilely synthesized through one-step reaction, which exhibited turn-on fluorescent response to Al(III) with 18-fold fluorescence enhancement in aqueous solution at pH 5.5. The binding stoichiometry of 1 toward Al(III) was in 1:1. High selectivity and sensitivity to Al(III) were achieved, which featured a detection limit of 67 nmol L-1 and a linear rang of 1-10 μmol L-1. More importantly, the sensing process could be also performed on solid test paper. After the addition of Al(III), a significant emission color change from yellow to cyan was observed by naked eye due to the intrinsic aggregation-induced emission (AIE) characteristic of 1.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics