Category: 3326-71-4

Safety of 2-Furoic hydrazide. 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 new hetrocyclic compounds derived from fouroic acid. Author is Alheety, Kawther A.; Jassim, Wissam Khalifa; Jassim, Ibtissam Khalifa.

The preparation of new comounds starting from acid (furoic). The acid was converted to five membered ring (oxadiazole). The acid was reacted with ethanol in presence of sulfuric acid then converted to hydrazide compound by reacting it with hydrazine hydrate. The hydrazide also reacted with CS2 carbon disulfide to obtain oxadiazole ring. Then the oxadiazole ring reacted with hydrazine hydrate to give hydrazino oxadiazole. Derivativies of oxadiazole obtained from the reaction of different aldehydes with hydrazine oxadiazole to have Schiff’s bases and the diazonium salts was prepared from the reaction of hydrazino oxadiazole with derivatives of phenols then the (OH)group of phenols was reacted with acid chloride to obtain ester compounds The prepared compounds were characterized by FT-IR, 1H-NMR spectra and the m.ps. were recorded and the purity was checked besides the biol. activity was evaluated.

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 3326-71-4, is researched, SMILESS is O=C(C1=CC=CO1)NN, Molecular C5H6N2O2Journal, Wuji Huaxue Xuebao called Synthesis, crystal structures, and characterization of three zinc complexs with different acylhydrazone-type schiff base ligands, Author is Xie, Qing-fan; Chen, Yan-min, the main research direction is crystal structure zinc complex acylhydrazone type schiff base ligand.COA of Formula: C5H6N2O2.

Three zinc complexes, namely [Zn(Lss)(phen)(DMF)] (1), {[Zn (HLdis)]2·2CH3OH}n (2) and [Zn(Baf)2]·CH3OH (3), formed from different acylhydrazone-type Schiff base ligands were synthesized by using different methods, and the compounds were characterized by IR, UV-Vis spectra and TGA. The X-ray diffraction analyses revealed that 1 and 3 crystallized in the triclinic space group P1̅ while 2 in monoclinic system space group P21/n. In 1 and 3, coordination number of the Zn (II) was six, and the centric atom located in a distorted octahedron geometry, while in 2 Zn (II) was five-coordination in a distorted square-pyramidal geometry. The precursor of 3 was pyrazoline derivative with the formula C15H14N2O3 (Pzl) crystallizing in monoclinic system space group P21/c. Due to the coordination of Zn (II) causing the intramol. rearrangement of Pzl, the ring open product HBaf in the form of an acylhydrazone structure coordinated with Zn (II) to form complex 3.

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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 Design and synthesis of new pyranoquinolinone heteroannulated to triazolopyrimidine of potential apoptotic antiproliferative activity, published in 2020-12-31, which mentions a compound: 3326-71-4, mainly applied to pyranoquinolinone triazolopyrimidine apoptosis antiproliferative formimidic acid; Antiproliferative; Apoptosis; Caspase; Formimidic acid; Pyrano[3,2-c]quinoline; Triazolopyrimidine, Application In Synthesis of 2-Furoic hydrazide.

Pyrano[3,2-c]quinoline derivatives have been synthesized and utilized to obtain various new hetero-annulated triazolopyrimidine, containing quinoline, pyran, 1,2,4-triazine and pyrimidine in good yields. Newly synthesized compounds have been characterized by spectral data and elemental anal. Most of the synthesized compounds showed moderate to weak antiproliferative activity on most cancer cell lines, especially leukemia and breast cancer cell lines. The open chain formimidic acid Et ester is slightly more potent than hetero-annulated systems. The most active compounds were further investigated for caspase activation, Bax activation and Bcl-2 down regulation compared to doxorubicin as a standard, and indeed exhibited mainly cell cycle arrest at the Pre-G1 and G2/M phases. The transcription effects of 5a and 5b on the p53 were assessed and compared with the reference doxorubicin. The results revealed an increase of 12-19 in p53 level compared to the test cells and that p53 protein level of 5a and 5b was significantly inductive (991, and 639 pg/mL, resp.) in relation to doxorubicin (1263 pg/mL).

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Recommanded Product: 3326-71-4. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about One-pot activation-alkynylation-cyclization synthesis of 1,5-diacyl-5-hydroxypyrazolines in a consecutive three-component fashion. Author is Goergen, Christina; Boden, Katharina; Reiss, Guido J.; Frank, Walter; Mueller, Thomas J. J..

A consecutive three-component activation-alkynylation-cyclization reaction of (hetero)aryl glyoxylic acids, oxalyl chloride, arylacetylenes, and hydrazides efficiently forms 1,5-diacyl-5-hydroxypyrazolines in moderate to good yields. The structures were unambiguously corroborated by comprehensive NMR spectroscopy and X-ray structure analyses of selected derivatives

If you want to learn more about this compound(2-Furoic hydrazide)Recommanded Product: 3326-71-4, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(3326-71-4).

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

COA of Formula: C5H6N2O2. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Synthesis of potential antiexudative preparations for 2-((4-amino-5-(furan-2-yl)-1,2,4-triazole-(4h)-3-yl)-sulfanyl)-N-acetamide series. Author is Chalenko, N.; Demchenko, A.; Syrova, G..

The aim of the study was to synthesize new potential biol. active substances of derivatives of 2-((4-amino-5-(furan-2-yl)-1,2,4-triazole(4H)-3-yl)-sulfanyl)-N acetamides and determination of their structure, physico-chem. properties and anti-exudative activity (AEA). Reactions were started with furan-2-carboxylic acid hydrazide with carbon disulfide in Et alc. in the presence of potassium hydroxide to form potassium dithiocarbazinate intermediate, followed by cyclical condensation with excess hydrazine, yielding tiotriazole (1) as a white solid with a good yield. Twenty-one new compounds were synthesized in the series of derivatives of 2-((4-amino-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl) sulfanyl)-N-acetamides, their phys. and chem. characteristics have been established. The structure of the synthesized compounds is confirmed by data from elemental anal., 1H NMR spectra and chromatog. mass spectrometry. Fifteen compounds have shown antiexudative activity, among the leaders were identified seven compounds: 3.1, 3.2, 3.5, 3.9, 3.11, 3.12, 3.19, which significantly suppressed swelling by 81.5 %; 61.1 %; 70.3 %; 55.5 %; 62.9 %; 53.0 %, resp., and significantly exceeded the activity of sodium diclofenac (44 %).

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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 Michael addition mediated domino cyclization of hydrazide embedded pyrazolyl derivatives: biological and its molecular docking examinations, published in 2021, which mentions a compound: 3326-71-4, mainly applied to quinoline pyrazoline preparation antitumor antibacterial human mol docking, Electric Literature of C5H6N2O2.

Three quinolinyl-tethered pyrazolines I (R = 3-MeOC6H4, 2-furyl, 4-pyridyl) were synthesized in good yields by domino Michael-addition/cyclization of (E)-2-chloro-3-[2-(4-methylphenyl)ethenyl]-8-methylquinoline, prepared from 2-chloro-8-methyl-3-quinolinecarboxaldehyde and 4-methylacetophenone, with arylhydrazides RC(O)NHNH2. The newly synthesized compounds have been examined for the antimicrobial and anticancer activities by MTT assay as well as mol. docking studies.

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

HPLC of Formula: 3326-71-4. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about 4,6-Diacetyl Resorcinol Based Vanadium(V) Complexes: Reactivity and Catalytic Applications. Author is Maurya, Mannar R.; Jangra, Nancy; Avecilla, Fernando; Correia, Isabel.

Four ONO donor ligands are isolated from the condensation of 4,6-diacetyl resorcinol with isonicotinoyl hydrazide (H2dar-inh, I), nicotinoyl hydrazide (H2dar-nah, II), benzoyl hydrazide (H2dar-bhz, III), and 2-furoyl hydrazide (H2dar-fah, IV) on refluxing in MeOH. The reaction of in situ generated aqueous K[H2VVO4] with ligands I-IV at neutral pH gives complexes [K(H2O)2][VO2(dar-inh)] (1), [K(H2O)2][VO2(dar-nah)] (2), [K(H2O)2][VO2(dar-bhz)] (3), and [K(H2O)2][VO2(dar-fah)] (4), resp. The reaction of [VIVO(acac)2] (acac = acetylacetonato) with these ligands (I-IV) under aerobic conditions in methanol yields oxidomethoxidovanadium(V) complexes [VO(OMe)(MeOH)(dar-inh)] (5), [VO(OMe)(MeOH)(dar-nah)] (6), [VO(OMe)(MeOH)(dar-bhz)] (7), and [VO(OMe)(MeOH)(dar-fah)] (8). All the isolated complexes are characterized by elemental, thermal, electrochem., and spectroscopic techniques [FTIR, UV/Vis, NMR (1H, 13C and 51 V NMR)], and single-crystal X-ray diffraction anal. (for 1, 6, 7, and 8). X-ray anal. confirms the coordination of the ligands through Ophenolate, Nazomethine, and Oenolate to the metal center. In the mol. structure of [K(H2O)(EtOH)][VVO2(dar-inh)] (abbreviated as 1a where one mol. of water is replaced by EtOH), water mols. act as bridges between two K+ ions and the complex shows a dimeric structure due to the presence of electrostatic interactions between V=O oxygen atoms with K+ ions. These complexes are active catalysts for the oxidative bromination of thymol in the presence of KBr, HClO4, and H2O2 and give 2-bromothymol, 4-bromothymol, and 2,4-dibromothymol as major products. Complexes 1-4 were also tested as catalysts for the epoxidation of various alkenes (namely styrene, cyclohexene, cis-cyclooctene, 1-hexene, 1-octene, cyclohexenone, and trans-stilbene) with H2O2 in the presence of NaHCO3 as promoter, giving the corresponding epoxides selectively.

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

Rani Gupta, Shraddha; Yadav, Pranjalee; Singh, Priya; Koch, Biplob; Singh, Vinod P. published an article about the compound: 2-Furoic hydrazide( cas:3326-71-4,SMILESS:O=C(C1=CC=CO1)NN ).Formula: C5H6N2O2. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:3326-71-4) through the article.

A furan-based water soluble fluorescent probe (E)-N′-(2,4-dihydroxybenzylidene)furan-2-carbohydrazide (DBF) has been synthesized and characterized by 1H NMR, 13C NMR, ESI-mass spectroscopy and single crystal X-ray diffraction techniques. The synthesized probe exhibits a “”turn-on”” fluorescence response towards Al3+ in Tris-HCl buffer (10 mM) with no significant interference from other metal ions. The strong fluorescence in the presence of Al3+ is attributed to the CHEF (chelation enhanced fluorescence), inhibition of PET (photo-induced electron transfer) and C=N isomerization. 1 : 1 stoichiometric ratio between DBF and Al3+ was rationalized by Job′s plot. Binding constant and LOD were calculated to be 1.031×105 M-1 and 6.34×10-8 M, resp. MTT assay on live A549 cells indicated no serious cytotoxicity in the cells even at higher concentration Further, DBF was successfully used for the detection of accumulated Al3+ in the cytoplasm of cells.

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 3326-71-4, is researched, Molecular C5H6N2O2, about A new fluorescent chemosensor for Al(III) detection with highly selective in aqueous solution and solid test paper, the main research direction is fluorescent chemosensor Al detection test paper.Name: 2-Furoic hydrazide.

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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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Formula: C5H6N2O2. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Preparation and acetylcholinesterase inhibitory activities of pyridine-based 1,3,4-oxadiazole derivatives. Author is Yu, Xiang; Yang, Wude; Huang, Ling; Zhou, Xingji; Chen, Yafang.

Fourteen pyridine-based 1,3,4-oxadiazole derivatives I [R = n-Bu, Ph, 3-pyridyl, etc.] were synthesized from pyridine-2-carboxaldehyde via iodine-mediated oxidative cyclization with substituted hydrazides by using the impregnation method. Their structures were confirmed by m.p., 1H NMR, 13C NMR and HRMS. Preliminary bioassay of these derivatives I, inhibition of acetylcholinesterase (AChE) was also evaluated in-vitro at the concentration of 1μmol/mL. The result showed that compounds I [R = 3-methoxyphenyl, 3-pyridyl, 4-pyridyl] had moderate inhibitory activities with 52%, 59% and 59%, resp. The preliminary structure-activity relationships revealed that the introduction of pyridine ring could enhance the activity. Mol. docking study demonstrated that compound I [R = 4-pyridyl] possessed an optimal docking pose with interactions at the middle of the catalytic active site (CAS) and peripheral anionic site (PAS) of AChE.

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