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Bibliografie tematiche / Pyrrole

Letteratura scientifica selezionata sul tema "Pyrrole"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 10 marzo 2023

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Articoli di riviste sul tema "Pyrrole"

1

Mohamed, Mosaad, Ramdan El-Domany e Rania Abd El-Hameed. "Synthesis of certain pyrrole derivatives as antimicro-bial agents". Acta Pharmaceutica 59, n. 2 (1 giugno 2009): 145–58. http://dx.doi.org/10.2478/v10007-009-0016-9.

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Synthesis of certain pyrrole derivatives as antimicro-bial agentsIn an effort to establish new pyrroles and pyrrolo[2,3-d] pyrimidines with improved antimicrobial activity we report here the synthesis andin vitromicrobiological evaluation of a series of pyrrole derivatives. A series of new 2-aminopyrrole-3-carbonitriles (1a-d) were synthesized from the reaction of benzoin, primary aromatic amines and malononitrile, from which a number of pyrrole derivatives (2a-dto5a-d) and pyrrolo[2,3-d]pyrimidines (6a-dto10a, d) were synthesized. Thein vitroantimicrobial testing of the synthesized compounds was carried out against Gram-positive, Gram-negative bacteria and fungi. Some of the prepared compounds, [2-amino-1-(2-methylphenyl)-4,5-diphenyl-1H-pyrrole-3-carbonitriles (1b), 2-amino-3-carbamoyl-1-(3-methylphenyl)-4,5-diphenyl-1H-pyrroles (2b),N-(3-cyano-1-(2-methylphenyl)-4,5-diphenyl-1H-pyrrol-2-yl)-acetamides (3b),N-(3-cyano-1-(3-methylphenyl)-4,5-diphenyl-1H-pyrrol-2-yl)-acetamides (3c), 2-amino-1-(4-methoxyphenyl)-4,5-diphenyl-3-tetrazolo-1H-pyrroles (5d),7-(4-methoxyphenyl)-5,6-diphenyl-7H-pyrrolo [2,3-d]pyrimidin-4(3H)-ones (7d), 7-(3-methylphenyl)-5,6-diphenyl-7H-pyrrolo[2,3-d]pyrimidin-4(3H)-thione (9b) andN-(7-(2-methylphenyl)-5,6-diphenyl-7H-pyrrolo[2,3-d] pyrimidine)-N-aryl amines (10a)] showed potent antimicrobial activity.

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2

Ta, Daniel D., Jeanne M. Favret e Sergei V. Dzyuba. "Facile Synthesis of Pyrrolyl-Containing Semisquaraines in Water as Precursors for Non-Symmetric Squaraines". Compounds 3, n. 1 (28 dicembre 2022): 17–26. http://dx.doi.org/10.3390/compounds3010002.

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One-step reactions between squaric acid and pyrroles, such as 3-ethyl-2,4-dimethyl-pyrrole and 1,2,5-trimethylpyrrole, in water provide the corresponding pyrrol-2-yl- and pyrrol-3-yl-containing semisquaraines in high yields. These semisquaraines serve as useful precursors for the synthesis of various non-symmetric pyrrole-containing squaraine dyes.

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3

Gao, Meng, Wenting Zhao, Hongyi Zhao, Ziyun Lin, Dongfeng Zhang e Haihong Huang. "An efficient and facile access to highly functionalized pyrrole derivatives". Beilstein Journal of Organic Chemistry 14 (20 aprile 2018): 884–90. http://dx.doi.org/10.3762/bjoc.14.75.

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A straightforward and one-pot synthesis of pyrrolo[3,4-c]pyrrole-1,3-diones via Ag(I)-catalyzed 1,3-dipolar cycloaddition of azomethine ylides with N-alkyl maleimide, followed by readily complete oxidation with DDQ, has been successfully developed. Further transformation with alkylamine/sodium alkoxide alcohol solution conveniently afforded novel polysubstituted pyrroles in good to excellent yields. This methodology for highly functionalized pyrroles performed well over a broad scope of substrates. It is conceivable that this efficient construction method for privileged pyrrole scaffolds could deliver more active compounds for medicinal chemistry research.

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4

Quiclet-Sire, Béatrice, e Samir Zard. "Convergent Routes to Pyrroles Exploiting the Unusual Radical Chemistry of Xanthates – An Overview". Synlett 28, n. 20 (21 luglio 2017): 2685–96. http://dx.doi.org/10.1055/s-0036-1590809.

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Convergent routes to a variety of pyrroles involving radical additions of xanthates are described. Emphasis is placed on reactions leading to the formation of 1,4-diketones or 1,4-ketoaldehydes or their synthetic equivalents, which can then be condensed with ammonia or primary amines in a variation of the classical Paal–Knorr synthesis of pyrroles. The modification of pyrroles by direct radical addition is also discussed.1 Introduction2 Earlier Routes to Pyrroles3 The Xanthate Radical Addition–Transfer Process4 Application to Pyrrole Synthesis5 Further Variations6 Direct Modification of Existing Pyrrole Rings7 Outlook and Perspectives

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5

Black, DS, e RJ Strauch. "Nitrones and Oxaziridines. XL. Oxidation of 2H-Pyrroles and 3-Benzoyloxy-1-pyrrolines". Australian Journal of Chemistry 42, n. 5 (1989): 699. http://dx.doi.org/10.1071/ch9890699.

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Peracid oxidation of 2H-pyrroles (1a-d) gave the related 2H-pyrrole 1-oxides (2a-d). Similar oxidation of the 3-benzoyloxy-1-pyrroline (7a) also gave a 2H-pyrrole 1-oxide (9), while other benzoyloxy pyrrolines (7b,c) yielded the related oxaziridines (8b,c). Some other oxygenated by-products were also identified.

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6

Taniguchi, Masahiko, e Jonathan S. Lindsey. "Diversity, isomer composition, and design of combinatorial libraries of tetrapyrrole macrocycles". Journal of Porphyrins and Phthalocyanines 16, n. 01 (gennaio 2012): 1–13. http://dx.doi.org/10.1142/s1088424612004628.

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Combinatorial libraries of substituted tetrapyrrole macrocycles, which can now be prepared via a variety of approaches, typically are rich in isomers. Terminology for describing such isomers (due to distinct patterns of peripheral substituents) is delineated in several illustrative examples. A hierarchical relationship exists of molecular formula, condensed formula(s) of substituents, set(s) of pyrrole collocates (conveying each pair of β-pyrrolic substituents), and isomers of substituted tetrapyrrole macrocycles. Isomers with identical pyrrole collocate sets can arise owing to distinct positions or orientations of the (homo- or hetero-substituted) pyrrolic units in a macrocycle. Consideration of a handful of virtual combinatorial libraries illustrates tradeoffs of library size, chemical richness, and isomeric content. As one example, octa-derivatization of a tetrapyrrole scaffold with eight reactants A–H affords 2,099,728 members (99.7% isomers, 82,251 pyrrole collocate sets, and 6,435 condensed formulas) whereas the reversible self-condensation of four pyrroles that bear the same eight entities (AB, CD, EF, GH) affords 538 members (93.5% isomers, 35 pyrrole collocate sets, and 35 condensed formulas). Derivatization affords all combinations and permutations whereas self-condensation of substituted pyrroles carries collocational restrictions. Understanding such tradeoffs and the structural origin of isomerism are important aspects in the design of tetrapyrrole combinatorial libraries.

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7

Iqbal, Sarosh, Hina Rasheed, Rabiya Javed Awan, Ramsha Javed Awan, Asma Mukhtar e Mark G. Moloney. "Recent Advances in the Synthesis of Pyrroles". Current Organic Chemistry 24, n. 11 (11 settembre 2020): 1196–229. http://dx.doi.org/10.2174/1385272824999200528125651.

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: Pyrroles are the most prevalent heterocyclic compounds, which are present as the basic cores in many natural products, such as vitamin B12, bile pigments like bilirubin and biliverdin, the porphyrins of heme, chlorophyll, chlorins, bacteriochlorins, and porphyrinogens. The biological activities of compounds having pyrrole analogs include antimicrobial (antibacterial, antifungal), anti-cancer (anti-cytotoxic, antimitotic), anti-tumor, anti-hyperlipidemic, anti-depressant, anti-inflammatory, antihyperglycemic, antiproliferative, anti-HIV and anti-viral activities. Accordingly, significant attention has been paid to develop competent methods for the synthesis of pyrroles with improved yields in short times. This review gives an overview of different methods for the synthesis of pyrrole using easily available precursors using the following routes. . Synthesis of monosubstituted pyrrole using 2,5-dimethoxyfuran . Synthesis of pyrrole using dialkylacetylene dicarboxylate . Synthesis of pyrroles using β-ketoester . Synthesis of pyrrole using 1,2-dicarbonyl compounds . Synthesis of pyrroles using 1,3-dicarbonyl compounds . Synthesis of pyrroles using 1,3-dicarbonyl, amine, nitro and aldehyde group . Synthesis of pyrroles using 1,4-dicarbonyl compound and amines . Synthesis of pyrrole using enones . Synthesis of pyrroles using moieties having acetylene group

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8

Tam, Teck Lip Dexter, Ting Ting Lin e Steven Lukman. "Understanding the Excited State Photophysics of Pyrrolopyrrole-Dione Isomers and Derivatives Using Time-Dependence Density Functional Theory". Journal of Molecular and Engineering Materials 05, n. 03 (settembre 2017): 1750009. http://dx.doi.org/10.1142/s2251237317500095.

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The ability to understand and predict excited state photophysics is vital for the development of photo- and electroluminescence materials, as well as light harvesting materials and photodynamic therapy. Herein, we demonstrate that single determinant time-dependent density functional theory can be computationally cost-effective and has the ability to explain both experimental singlet and triplet dynamics of pyrrolo[3,4-[Formula: see text]]pyrrole-1,4-dione and pyrrolo[3,2-b]pyrrole-2,5-dione isomers with intriguing photophysical properties. We also used the methodology to predict the photophysical properties of pyrrolo[3,4-c]pyrrole-1,3-dione and a hypothetical hybrid pyrrolo[3,4-b]pyrrole-2,4-dione isomers.

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9

Bi, Wenzhao, Geeng-Fu Jang, Lei Zhang, John W. Crabb, James Laird, Mikhail Linetsky e Robert G. Salomon. "The Adductomics of Isolevuglandins: Oxidation of IsoLG Pyrrole Intermediates Generates Pyrrole–Pyrrole Crosslinks and Lactams". High-Throughput 8, n. 2 (10 maggio 2019): 12. http://dx.doi.org/10.3390/ht8020012.

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Isoprostane endoperoxides generated by free radical-induced oxidation of arachidonates, and prostaglandin endoperoxides generated through enzymatic cyclooxygenation of arachidonate, rearrange nonenzymatically to isoprostanes and a family of stereo and structurally isomeric γ-ketoaldehyde seco-isoprostanes, collectively known as isolevuglandins (isoLGs). IsoLGs are stealthy toxins, and free isoLGs are not detected in vivo. Rather, covalent adducts are found to incorporate lysyl ε-amino residues of proteins or ethanolamino residues of phospholipids. In vitro studies have revealed that adduction occurs within seconds and is uniquely prone to cause protein–protein crosslinks. IsoLGs accelerate the formation of the type of amyloid beta oligomers that have been associated with neurotoxicity. Under air, isoLG-derived pyrroles generated initially are readily oxidized to lactams and undergo rapid oxidative coupling to pyrrole–pyrrole crosslinked dimers, and to more highly oxygenated derivatives of those dimers. We have now found that pure isoLG-derived pyrroles, which can be generated under anoxic conditions, do not readily undergo oxidative coupling. Rather, dimer formation only occurs after an induction period by an autocatalytic oxidative coupling. The stable free-radical TEMPO abolishes the induction period, catalyzing rapid oxidative coupling. The amine N-oxide TMAO is similarly effective in catalyzing the oxidative coupling of isoLG pyrroles. N-acetylcysteine abolishes the generation of pyrrole–pyrrole crosslinks. Instead pyrrole-cysteine adducts are produced. Two unified single-electron transfer mechanisms are proposed for crosslink and pyrrole-cysteine adduct formation from isoLG-pyrroles, as well as for their oxidation to lactams and hydroxylactams.

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10

Isbera, Mostafa, Balázs Bognár, Ferenc Gallyas, Attila Bényei, József Jekő e Tamás Kálai. "Syntheses and Study of a Pyrroline Nitroxide Condensed Phospholene Oxide and a Pyrroline Nitroxide Attached Diphenylphosphine". Molecules 26, n. 14 (19 luglio 2021): 4366. http://dx.doi.org/10.3390/molecules26144366.

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The reaction of a diene nitroxide precursor with dichlorophenylphosphine in a McCormac procedure afforded 1,1,3,3-tetramethyl-5-phenyl-1,2,3,4,5,6-hexahydrophospholo[3,4-c]pyrrole-5-oxide-2-oxyl. Lithiation of the protected 3-iodo-pyrroline nitroxide followed by treatment with chlorodiphenylphosphine after deprotection afforded (1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)diphenylphosphine oxide, and after reduction, (1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)diphenylphosphine was realized, which was also supported by X-ray single crystal diffraction measurements. This pyrroline diphenylphosphine derivative was converted to hexadecylphosphonium salt, which is an analogue of antineoplastic agent, MITO-CP.

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Tesi sul tema "Pyrrole"

1

Scott, Mark Simon. "Pyrrole carbinols". Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615301.

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2

Armitage, Georgina Kate. "The Zav'yalov pyrrole synthesis revisited : some derivatives of 3-hydroxy- and 3-amino-pyrroles". Thesis, University of Huddersfield, 2017. http://eprints.hud.ac.uk/id/eprint/34175/.

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The objective of this study was to investigate the acylative-cyclisation-decarboxylation reactions of enamino acids derived from 1,3-difunctional compounds. Remarkably little is known regarding the generality of these variants of the Zav’yalov pyrrole synthesis, despite their considerable scope for the synthesis of functionalised pyrroles. The cyclisation of diethyl 2-(1-carboxyalkylaminomethylene)malonates provided access to a range of 5-(un)substituted-4-acetoxypyrrole-3-carboxylates. However, in some instances the corresponding 4-ethoxypyrrole-3-carboxylates also accounted for up to 20% of the reaction product. 1-Acetyl-4-ethoxy-5-ethylpyrrole-3-carboxylate was characterised by X-ray crystallography. Some of the (aminomethylene)malonates from bifunctional α-amino acids provided anomalous products. For example, the glutamine-derived enamino malonate gave a 5-acetylpyrrolidin-2-one via a Dakin-West-type reaction. The asparagine-enamino malonate cyclised to 4-acetoxy-1-acetyl-5-cyanomethylpyrrole-3-carboxylate probably via an isosuccinimide intermediate. Several mechanisms for the formation of the pyrrole products have been discussed. A 13C-labelling experiment confirmed that the carboxyl function in the starting material is not incorporated in the product. Evidence for the involvement of a 1,3-oxazolium-5-olate (münchnone) accrued from cyclisation of diethyl 2-(1-carboxymethylaminomethylene)malonate with Ac2O in the presence of dimethyl acetylenedicarboxylate which provided a novel 1-alkenylpyrrole, characterised by X-ray crystallography. An alternative pathway supervenes in the Zav’yalov reaction when α,α-disubstitution of the amino acid prevents münchnone and thus pyrrole formation to afford an N-alkenyloxazolidin-5-one. Novel ethyl 4-(di)acetamido-5-(un)substituted-pyrrole-3-carboxylates and the corresponding 3-carbonitriles have been obtained in good yields via the cyclisation of ethyl 2-(1-carboxyalkylaminomethylene)cyanoacetates and (1-carboxyalkylaminomethylene)malononitriles respectively. Evidence for a different cyclisation pathway, in the former, involving intramolecular acylation of the enaminonitrile moiety was observed. Thus, ethyl (2R*,3S*)-1-acetyl-3-cyano-2,4-diacetoxy-5-methyl-2,3-dihydropyrrole-3-carboxylate was characterised by X-ray crystallography. A wide range of novel 2-alkanoyl- and 2-aroyl-3-(1-carboxyalkylamino)acrylonitriles has been obtained via aminomethylenation of β-ketonitriles. The products from their cyclisations (Ac2O-NEt3) were largely independent of the nature of the acyl group but determined by the substituent in the α-amino acid moiety. The 3-(1-carboxy-1-phenylmethylamino)acrylonitriles provided mixtures of 3-acyl-4-(di)acetamido-5-phenylpyrroles in which the 4-acetamido- derivatives predominated. Contrasting behaviour was displayed by the 3-(1-carboxyalkylamino)acrylonitriles derived from alanine, 2-aminobutyric acid and valine in which the cyclisation followed an unexpected course, via enaminone acylation, to the novel 4-acetoxy-1-acetyl-5-alkylpyrrole-3-carbonitriles in high yields. The acylative cyclisation of the 2-acyl-3-(1-carboxymethylamino)acrylonitriles furnished mixtures of pyrroles. In two cases, 3-acetamido-6-aryl-5-cyanopyran-2-ones, generated by a unique cyclisation pathway were isolated. The structure of the 6-phenyl- derivative was confirmed by unambiguous synthesis. The synthesis and acylative cyclisation of (Z)-2-benzoyl-3-(1-carboxyalkylamino)crotononitriles was investigated. Whereas the 3-(1-carboxyethylamino)- derivative provided 4-acetoxy-1-acetyl-2,5-dimethylpyrrole-3-carbonitrile exclusively, the 3-(1-carboxy-1-phenylmethylamino)crotononitrile afforded a mixture of pyrroles. A remarkable minor component was characterised as 4-acetoxy-1-benzoyl-2-methyl-5-phenylpyrrole-3-carbonitrile, the result of sequential [1,5]-benzoyl migrations of a 3H-pyrrole intermediate. The acylative cyclisation of 3-(1-carboxyalkylamino)-2-tosylacrylonitriles provides access to hitherto unknown 3-diacetamido-4-tosyl- and 3-acetamido-4-tosylpyrroles. Cyclisation of 2-(1-carboxyalkylaminomethylene)dibenzoylmethanes offers an excellent, complementary approach to access 5-(un)substituted-3-benzoyl-4-phenylpyrroles, to the existing tosylmethyl isocyanide-based protocols.

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3

Watt, Esther Jane. "Poly(pyrrole) based gas sensors". Thesis, Birkbeck (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338770.

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4

Oussaid, Boualem. "Thiophène, pyrrole : synthèse, conformation, macrocycles". Toulouse 3, 1992. http://www.theses.fr/1992TOU30198.

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De nouveaux composes, derives du thiophene ou du pyrrole ont ete synthetises en plusieurs etapes. La conformation de divers composes thiopheniques ou pyrroliques a ete etablie a partir de calculs theoriques, de mesures de moments dipolaires et a partir du couplage stereospecifique a travers cinq liaisons. Quelques macrocycles possedant deux, trois ou quatre restes thiophene ou pyrrole a 18, 20, 30, 34 ou 40 chainons ont ete obtenus par des cyclisations de type 2+2, 3+3 ou 4+4

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5

Olivier, Andrew John. "Novel carbene complexes with pyrrole ligands". Diss., Pretoria : [s.n, 2001. http://upetd.up.ac.za/thesis/available/etd-02242006-125303/.

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6

Law, Ho. "Synthèse et étude conformationnelle d'hétérocycles soufrés radioprotecteurs : mécanisme réactionnel de formation du cycle thiazolidine : obtention de pyrrole N-éthanethiols". Université Joseph Fourier (Grenoble), 1992. http://www.theses.fr/1992GRE18003.

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7

Ekinci, Olcun. "Immobilization Of Glucose Oxidase And Polyphenol Oxidase In Conducting Copolymer Of Pyrrole Functionalized Polystyrene With Pyrrole". Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12607373/index.pdf.

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Electrochemical polymerization of pyrrole functionalized polystyrene (PStPy) with pyrrole was carried out in water-sodium dodecyl sulfate solvent-electrolyte couple. Characterization of the resulting copolymer was performed via Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and four probe conductivity measurements. Glucose oxidase and polyphenol oxidase enzymes were immobilized in polypyrrole (PPy) and conducting copolymer of pyrrole functionalized polystyrene with pyrrole (P(PStPy-co-Py). Resulting enzyme electrodes were characterized by kinetic parameters
Vmax and Km. Behavior of enzyme electrodes upon temperature and pH changes were investigated. Glucose oxidase electrode was used for the determination of glucose in orange juice and polyphenol oxidase electrode was used for the determination of polyphenolic compounds in red wine.

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8

Addie, Matthew Stuart. "Synthetic strategies towards pyrrole marine alkaloids". Thesis, University of East Anglia, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267273.

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9

Millan, Barrios Enrique Jose. "Synthesis and electrochemistry of pyrrole derivatives". Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.242418.

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10

鍾惠玲 e Chung Wai-ling Margaret Chiu. "The synthesis and reactions of 3, 5-diaryl-2, 2-bis(ethoxycarbonyl)-2H-pyrroles". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1986. http://hub.hku.hk/bib/B31230829.

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Libri sul tema "Pyrrole"

1

Alan, Jones R., a cura di. Pyrroles. New York: Wiley, 1990.

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2

1929-, Bean Gerritt Post, a cura di. The chemistry of pyrroles. London: Academic Press, 1997.

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3

T͡Sveniashvili, V. Sh. Ėlektrokhimii͡a azolov. Tbilisi: "Met͡sniereba", 1990.

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4

Kawamoto, Yusuke. Synthesis and Biological Evaluation of Pyrrole–Imidazole Polyamide Probes for Visualization of Telomeres. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6912-4.

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5

Dietz, Wolfram Georg. 2,5-Hexandion und Pyrrole im Urin des Menschen: Analytische Bestimmung und Untersuchung der Ausscheidung nach Exposition gegen n-Hexan. Neuherberg: GSF-Forschungszentrum für Umwelt und Gesundheit, 1994.

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6

Scott, Andrew William. Preparation of fluorinated pyrrolo[2,3-d]pyrimidine. Birmingham: University of Birmingham, 1995.

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7

Mwashimba, Paul Guyo. The Birch reduction of electron-deficient pyrroles. Manchester: University of Manchester, 1996.

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8

Voro, Tevita N. Synthesis of potentially biologically active indoles and pyrroles. Norwich: Universityof East Anglia, 1990.

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9

Zirngibl, Ludwig. Antifungal azoles: A comprehensive survey of their structures and properties. Weinheim: Wiley-VCH, 1998.

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10

M, Jordan P., a cura di. Biosynthesis of tetrapyrroles. Amsterdam: Elsevier, 1991.

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Capitoli di libri sul tema "Pyrrole"

1

Li, Jie Jack. "Hantzsch pyrrole synthesis". In Name Reactions, 174. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05336-2_132.

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2

Li, Jie Jack. "Knorr pyrrole synthesis". In Name Reactions, 222. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05336-2_163.

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3

Kishbaugh, Tara L. S. "Metalation of Pyrrole". In Topics in Heterocyclic Chemistry, 1–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/7081_2012_76.

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Li, Jie Jack. "Hantzsch pyrrole synthesis". In Name Reactions, 302–3. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03979-4_128.

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5

Li, Jie Jack. "Hantzsch pyrrole synthesis". In Name Reactions, 154. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04835-1_123.

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Li, Jie Jack. "Knorr pyrrole synthesis". In Name Reactions, 197. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04835-1_153.

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7

Li, Jie Jack. "Hantzsch pyrrole synthesis". In Name Reactions, 276. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-01053-8_120.

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8

Li, Jie Jack. "Paal-Knorr pyrrole synthesis". In Name Reactions, 295. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05336-2_220.

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9

Mal, Dipakranjan, Brateen Shome e Bidyut Kumar Dinda. "Pyrrole and Its Derivatives". In Heterocycles in Natural Product Synthesis, 187–220. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527634880.ch6.

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10

Schomburg, Dietmar, e Dörte Stephan. "Indoleamine-pyrrole 2,3-dioxygenase". In Enzyme Handbook, 195–97. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-57942-4_41.

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Atti di convegni sul tema "Pyrrole"

1

Blunk, D., Klaus Praefcke, M. Jachmann e M. Horn. "1,4-diketo-pyrrolo[3,4-c]pyrrole: a novel core system for liquid crystals". In Liquid Crystals, a cura di Marzena Tykarska, Roman S. Dabrowski e Jerzy Zielinski. SPIE, 1998. http://dx.doi.org/10.1117/12.301281.

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2

Otero, T. F., e J. Rodriguez. "Free solvent electropolymerization of pyrrole". In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835317.

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3

Peres, Rosa C. D., Marco-Aurelio De Paoli, Stefania Panero e Bruno Scrosati. "Electrochromic properties of poly(pyrrole)/dodecylbenzenesulfonate". In San Diego, '91, San Diego, CA, a cura di Roger A. Lessard. SPIE, 1991. http://dx.doi.org/10.1117/12.50665.

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4

Vernitskaya, T. V., O. N. Efimov e A. B. Gavrilov. "Catalysis of pyrrole electropolymerization by tetrachloroferrate anion". In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835355.

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5

Lee, Ka Yeung Terence, Hani Naguib, Keryn Lian e Elaine Biddiss. "The Application of Multiwall Carbon Nano-Tubes/Polypyrrole Composite Electrode in Flexible Energy Storage System for Electronic Textile and Wearable Electronics". In ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-7986.

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Abstract (sommario):

A nanocomposite of Multi-walled Carbon nanotubes (MWCNT) and Polypolypyrrole (PPy) is fabricated and characterized for supercapacitor application. PPy is uniformly coated on the MWCNT surface by mean of in-situ chemical polymerization. MWCNT content is varied to control the thickness of deposited Pyrrole layer. Ferric chloride solution (FeCl3.6H2O) is used as oxidant to polymerize Pyrrole. Highly conductive nickel foam is used as a current collector for the electrode. Scanning Electron Microscopy (SEM) and Transmission Electron (TE) imaging were used in characterizing composite surface morphology. Electrochemical behavior is studied by mean of Cyclic Voltammetry (CV) and AC Impedance Spectrometry. The effect of varying monomer to MWCNT weight ratio in composite electrical properties was studied in this paper.

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Khare, Kirtesh Pratap, Rachana Kathal, Neelima Shukla, Reena Srivastava e Anurag Srivastava. "6 thioguanine sensing using poly pyrrole: DFT study". In ADVANCED MATERIALS AND RADIATION PHYSICS (AMRP-2020): 5th National e-Conference on Advanced Materials and Radiation Physics. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0052388.

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De Bruyne, A., R. Winand e J. L. Delplancke. "Electropolymerization of pyrrole and characterization of the obtained films". In The proceedings of the 53rd international meeting of physical chemistry: Organic coatings. AIP, 1996. http://dx.doi.org/10.1063/1.49461.

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8

Masuda, H., e K. Kaeriyama. "Electrochemical polymerization of pyrrole with water-soluble polymeric electrolytes". In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835304.

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9

"Three-component Heterocyclization Reaction Leading to Polyfunctionalized Pyrrole Derivatives". In 3rd International Conference on Biological, Chemical and Environmental Sciences. International Institute of Chemical, Biological & Environmental Engineering, 2015. http://dx.doi.org/10.15242/iicbe.c0915049.

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Wang, Wei, Zhuoyu Ji, Congyan Lu, Long Wang, Guangwei Xu, Ling Li e Ming Liu. "An organic rectifier diode based on poly-pyrrole (PPy) electrode". In 2014 IEEE 12th International Conference on Solid -State and Integrated Circuit Technology (ICSICT). IEEE, 2014. http://dx.doi.org/10.1109/icsict.2014.7021534.

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Rapporti di organizzazioni sul tema "Pyrrole"

1

Allcock, Harry R., Jeffrey A. Dodge, Leon S. Van Dyke e Charles R. Martin. Polyphosphazenes Bearing Polymerizable Pyrrole, Thiophene and Furan Side Groups: Synthesis and Chemical Oxidation. Fort Belvoir, VA: Defense Technical Information Center, aprile 1992. http://dx.doi.org/10.21236/ada249747.

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2

Shu, Ching-Fong, e Mark S. Wrighton. Synthesis and Charge Transport Properties of Polymers Derived from Oxidation of 1-H-1'(6-pyrrol-1-yl)-hexyl-4,4'-bipyridinium. Fort Belvoir, VA: Defense Technical Information Center, agosto 1988. http://dx.doi.org/10.21236/ada198070.

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3

[Studies of hydrogen-hydrogen and carbon-sulfur bond cleavage; Lewis acid modified molybdenum sulfide complexes; and Syntheses and reactions of pyrrole complexes]. Final report. Office of Scientific and Technical Information (OSTI), gennaio 1998. http://dx.doi.org/10.2172/650154.

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