Relevant bibliographies by topics / Bromo-nitro derivative

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Academic literature on the topic 'Bromo-nitro derivative'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Bromo-nitro derivative"

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Makhsumov Abdulhamid and Auesbaev Alisher. "SYNTHESIS AND PROPERTIES OF THE DIPROPARGYL DIETER DERIVATIVE 2-BROMINE-2- NITRO-PROPANDIOL-1,3 (BRONOPOL)." International Academy Journal Web of Scholar, no. 12(42) (December 30, 2019): 3–12. http://dx.doi.org/10.31435/rsglobal_wos/30122019/6839.

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 The article is devoted to a comprehensive study of 2-bromo-2-nitro- propanediol - 1,3 (bronopol) in order to expand the derivatives of bronopol as food products, preservatives, in all sectors of the national economy. The derivatives of dipropargyl diester 2 - bromo -, 2 - nitro - propanediol - 1,3, γ,γ ́-dicopper (2-bromo-,2-nitro-dipropargyl diester) propanediol-1,3 (II), γ,γ ́-bis- (silver 2-bromo-, 2-nitro-dipropargyl ether) - propanediol-1,3 (III), mercury-bis- (propargyl ether) - 2 - bromo-, 2- nitro-propanediol - 1, 3 (IV), (γ,γ ́-dibromo-dipropargyl diester)
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2

Arnold, Dennis P., Raymond C. Bott, Helen Eldridge, Fiona M. Elms, Graham Smith, and Mike Zojaji. "Functionalization of 5,15-Diphenylporphyrin: Preparation and X-Ray Crystal Structures of meso Nitro, Bromo, and Trimethylsilylethynyl Derivatives." Australian Journal of Chemistry 50, no. 5 (1997): 495. http://dx.doi.org/10.1071/c96193.

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Substitutions on 5,15-diphenylporphyrin led to the isolation of mono- and di-bromo and mono- and di-nitro derivatives, which were converted into their respective nickel(II) complexes. Reaction of the bromoporphyrins with iodine/silver nitrite resulted in nitrodebromination as well as conventional nitration. The nickel(II) complex of 5-nitro-10,20-diphenylporphyrin was reduced to the 5-amino derivative. The nickel(II) complexes of the bromoporphyrins were converted into the respective mono- and bis-(trimethylsilylethynyl) species. The crystal structures of 5-nitro-10,20-diphenylporphyrin, 5-bro
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CORTES, H. C. E., N. MUELLER, M. ESPOSITO, A. LEITÃO, A. NAGULESWARAN, and A. HEMPHILL. "In vitro efficacy of nitro- and bromo-thiazolyl-salicylamide compounds (thiazolides) against Besnoitia besnoiti infection in Vero cells." Parasitology 134, no. 7 (2007): 975–85. http://dx.doi.org/10.1017/s0031182007002417.

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SUMMARYNitazoxanide (NTZ) and its deacetylated metabolite tizoxanide (TIZ) exhibit considerable in vitro activity against Besnoitia besnoiti tachyzoites grown in Vero cells. Real-time-PCR was used to assess B. besnoiti tachyzoite adhesion, invasion, and intracellular proliferation in vitro. A number of NTZ-derivatives, including Rm4822 and Rm4803, were generated, in which the thiazole-ring-associated nitro-group was replaced by a bromo-moiety. We here show that replacement of the nitro-group on the thiazole ring with a bromo (as it occurs in Rm4822) does not impair the efficacy of the drug, bu
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Krebs, HD. "Thienoisothiazoles. III. The Synthesis and Reactions of 3-Phenyl-5-alkylthioisothiazole-4-carbonitriles and 3-Phenylthieno[3,2-d]isothiazoles." Australian Journal of Chemistry 42, no. 8 (1989): 1291. http://dx.doi.org/10.1071/ch9891291.

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Oxidation of the alkyl 3-amino-4-cyano-3-phenylpropenedithioates (1), obtained by alkylation of the condensation product of 3-amino-3-phenylpropenenitrile and carbon disulfide, produced 3-phenyl-5-alkylthioisothiazole-4-carbonitriles (2a-d). The ease of nucleophilic displacement of the S-alkyl group in the isothiazole (2a) was utilized to synthesize the isothiazoles (2f-j). 3-Phenylthieno[3,2-d] isothiazole (3e) was prepared by deamination, hydrolysis and decarboxylation of the intermediate ethyl 4-amino-3-phenylthieno[3,2-d]isothiazole-5-carboxylate (3a), which was obtained by ring-closure of
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Chand, P. B., and R. Manohar. "Synthesis, Characterization and Unusual Dielectric Behaviour of λ-Shaped Mesogenic Homologous Series With Polar Substituents." Himalayan Physics 2 (July 31, 2011): 16–25. http://dx.doi.org/10.3126/hj.v2i2.5204.

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A new λ-shaped mesogenic homologous series with polar bromo and nitro substituent was synthesized by fixing rigid 2-bromo-4-nitrophenylazo groups to a resorcinol moiety. 4-n-alkoxybenzoyl groups esterify both the phenolic -OH groups. In the present series, methoxy and ethoxy derivatives are non-mesogenic, n-propyloxy to n-octyloxy derivatives exhibit enantiotropic nematic mesophase. Smectic C (SmC) mesophase commences from the n- octyloxy derivative as an enantiotropic phase and is retained up to the last member synthesized. The effect of polar bromo and nitro substituent on mesomorphic proper
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Tallarita, Roberto, Lukas Manuel Jacobsen, Benedict J. Elvers, et al. "Synthesis of Seven Indolizine-Derived Pentathiepines: Strong Electronic Structure Response to Nitro Substitution in Position C-9." Molecules 29, no. 1 (2023): 216. http://dx.doi.org/10.3390/molecules29010216.

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Seven new 1,2,3,4,5-pentathiepino[6,7-a]indolizines were synthesized in which the pentathiepine moieties bear an indolizine backbone that is derivatized from C–H to F-, Cl-, Br-, I-, NO2-, and CH3-substitutions, respectively, in a meta position relative to the aza group on the pyridine moiety. Their preparation took place via two common steps: (i) a Sonogashira coupling between (4-substituted) 2-bromo- or 2-chloropyridines and propynyl 3,3-diethylacetal, and (ii) a ring closing reaction mediated by a molybdenum oxo-bistetrasulfido complex and elemental sulfur. The latter simultaneously facilit
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Mikra, Chrysoula, Maria Bairaktari, Marina-Theodora Petridi, Anastasia Detsi, and Konstantina C. Fylaktakidou. "Green Process for the Synthesis of 3-Amino-2-methyl-quinazolin-4(3H)-one Synthones and Amides Thereof:DNA Photo-Disruptive and Molecular Docking Studies." Processes 10, no. 2 (2022): 384. http://dx.doi.org/10.3390/pr10020384.

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Eleven 3-amino-2-methyl-quinazolin-4(3H)-ones have been synthesized, in good to excellent yields, via their corresponding benzoxazinones using an efficient tandem microwave-assisted green process. Representative acetamides have been thermally derived from their functional free 3-amino group, whereas for the synthesis of various arylamides, a novel green microwave-assisted protocol has been developed, which involved the attack of hydrazides on benzoxazinones. Eight out of the eleven 3-amino-2-methyl-quinazolin-4(3H)-ones were found photo-active towards plasmid DNA under UVB, and four under UVA
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8

Al-Abboodi1, Doaa Hashim, and Naeemah Al-lami. "NEW METHDOLOGY OF SYNTHESIS PYRAZOLO- THIAZOLO DERIVATIVES WITH STUDY ANTIMICROBAL ACTIVITIES." iraqi journal of market research and consumer protection 16, no. 1 (2024): 1–12. http://dx.doi.org/10.28936/jmracpc16.1.2024.(1).

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In this contribution, new derivatives of thiosemicarbazon, cyclic thiazolidinone, yilidine thiazolidinone, and parazolo-thiazole were synthesized, starting from the reaction of 2 -aminobenzothiazole with p-bromo phenacyl bromide to give the first step of 2(4-bromo phenyl) imidazole (2,1 -b) benzo thiazole (1). Compound (1) then was subjected under Viels Myer Haack to yield 3-carbaldehyde linking with imidazo-benzothiazol (2). Compound (2) condensed with thiosemicarbazide togivenewsynthesis of thiosemicarbazon derivative (3). Compound 4-Oxo-1,3-thiazolidine (4) was constituted from reacting com
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Huppatz, JL. "Systemic Fungicides. The Synthesis of Pyrazolo[1,5-a]pyrimidine Analogues of Carboxin." Australian Journal of Chemistry 38, no. 1 (1985): 221. http://dx.doi.org/10.1071/ch9850221.

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The synthesis of a series of pyrazolo [1,5-a] pyrimidine derivatives, structural analogues of the systemic fungicide carboxin, is described. A common intermediate incorporating structural features desirable for fungicidal activity, N-phenyl-3(5)-amino-5(3)-methylpyrazole-4- carboxamide (6), was used to prepare pyrazolo [1,5-a] pyrimidines variously substituted in positions 5 and 7 of the ring system. Bromination of N-phenyl-2-methylpyrazolo[1,5-a]pyrimidine-3-carboxamide (8) occurred preferentially in the phenyl ring and the 6-bromo derivative was prepared by bromination of the corresponding 3
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10

TAVMAN, Aydin, Demet GÜRBÜZ, Ayça Aktaş KARAÇELİK, Dilşat Nigar ÇOLAK, Derya EFE, and Adem ÇINARLI. "Spectral characterization, antibacterial and antioxidant activity of 2-(5-bromo-1H-benzimidazol-2-yl)-(3’/4’/5’-substituted)phenols and some transition metal complexes." Revue Roumaine de Chimie 69, no. 3-4 (2024): 201–14. http://dx.doi.org/10.33224/rrch.2024.69.3-4.10.

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2-(5-Bromo-1H-benzimidazol-2-yl)-3'/4'/5'-substituted-phenols (HL1 – HL25) were synthesized and characterized using various spectroscopic techniques. Then, Fe(III), Co(II), Ni(II), Cu(II), Zn(II), Ru(III) complexes of 2-(5-bromo-1H-benzimidazol-2-yl)phenol (HL1) were prepared and the methods such as elemental analysis, thermogravimetric analysis (TGA), molar conductivity and magnetic moment measurements, FT-IR, fluorescence and NMR spectroscopy were used to make suggestions about structures of the complexes. It is interesting that the compounds HL12 and HL22 showed stronger fluorescence effect
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Dissertations / Theses on the topic "Bromo-nitro derivative"

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Sheu, Biing-Jahn. "The synthesis and characterization by use of spectroscopic and x- ray methods of bromo, phosphine, and nitro derivatives of 13-phenyl- 1,4,7,10-tetraoxa-13-azacyclopentadecane." Virtual Press, 1992. http://liblink.bsu.edu/uhtbin/catkey/834528.

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The phenyl ring in the crown ether, 13-phenyl-1,4,7,10-tetraoxa-13-azacyclopentadecane (I), was used a site for functionalizing the compound. Electrophilic bromination of the ring with tribromide ion gave a 95% yield of the product substituted in the para position. This product underwent lithium-bromine exchange when reacted with n-butyllithium. The resulting anion was used to prepare PhZPX and PhPX2 derivatives, X p-C6H4NCH2(CH2OCH2)4&12 The oxide of PhZPX was completely characterized by an x-ray diffraction study which showed, in general, that the phosphorus was tetrahedral, the nitrogen pla
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Conference papers on the topic "Bromo-nitro derivative"

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Kepeňová, Martina, Michaela Benediková, Mária Vilková, Miroslava Litecká, and Ivan Potočňák. "Ionic palladium(II) complexes with nitro and halogen derivatives of 8-hydroxyquinoline." In 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.443k.

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Four commercially unavailable derivatives of 8-hydroxyquinoline with different functional groups (nitro and halogen) in positions 5 and 7 were prepared: 5-nitro-7-iodo-8-hydroxyquinoline (HNIQ), 5-nitro-7-bromo-8-hydroxyquinoline (HNBrQ), 5-iodo-7-bromo-8-hydroxyquinoline (HIBrQ) and 5-chloro-7-bromo-8-hydroxyquinoline (HClBrQ). Their characterization was performed by IR and NMR spectroscopy, elemental analysis and in the case of HIBrQ and HClBrQ by single crystal X-ray structure analysis. Prepared compounds were used for the synthesis of new palladium(II) complexes NH2(CH3)2[PdCl2(XQ)], where
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