• With heterocycles containing five atoms, the unsaturated compounds are frequently more stable because of aromaticity . (wikipedia.org)
  • Heterocycles incorporating elements other than C, H, halogen, N, O, S, Se or Te are classified in subclass C07F , but only if the metal-containing compound has a metal carbon bond or if the metal is attached to at least two different ligands. (uspto.gov)
  • Heterocyclic chemistry is the branch of organic chemistry dealing with the synthesis, properties, and applications of these heterocycles. (wikipedia.org)
  • More than half of known compounds are heterocycles. (wikipedia.org)
  • Analogs of the previously mentioned heterocycles for this third family of compounds are acridine, dibenzothiophene, carbazole, and dibenzofuran, respectively. (wikipedia.org)
  • Many natural soils contain a broad spectrum of organic compounds, including amino acids, amino sugars, and nitrogen heterocycles, particularly under conditions in which bacterial activity is inhibited. (plantcell.org)
  • A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two different elements as members of its ring(s). [1] Heterocyclic chemistry is the branch of organic chemistry dealing with the synthesis, properties, and applications of these heterocycles . (kiwix.org)
  • Heterocyclic chemistry is the chemistry branch dealing exclusively with synthesis, properties, and applications of heterocycles. (en-academic.com)
  • Important drugs (80% of top-selling drugs contain heterocycles: benzodiazepines, quinine, penicillin, etc.) * and even Food (sugar has heterocyclic rings too! (asmolgam.com)
  • The course of Chemistry of Heterocyclic Compounds is a preparative course to the course of Medicinal Chemistry I. Therefore the aim of this course is to study the main heterocycles (monocyclic, biciclic and policiclic) as basic components of pharmacologically active compounds. (uniss.it)
  • Nitrogen-containing heterocycles have been used as pharmaceutical compounds for centuries. (getnews.info)
  • Heterocyclic compounds have great diversity in chemical and physical properties, and that's why the heterocycles can be widely used in the fields of pharmacy, agrochemistry, electronics, and the like. (getnews.info)
  • Therefore, the study of heterocyclic chemistry focuses especially on unsaturated derivatives, and the preponderance of work and applications involves unstrained 5- and 6-membered rings. (wikipedia.org)
  • Other heterocyclic compounds can be envisioned similarly as derivatives of cyclopentane by substitution with other heteroatoms or of other carbocyclic compounds by substitution with nitrogen or other heteroatoms. (britannica.com)
  • The present disclosure refers to 10-(di(phenyl)methyl)-4- hydroxy-8,9,9a,10-tetrahydro-7H-pyrrolo[1';2':4,5]pyrazino[1 ,2- b]pyridazine-3,5-dione derivatives and related compounds of Formula (A) as inhibitors of the orthomyxovirus replic. (sumobrain.com)
  • The present invention relates to deuterated derivatives of 9-(2,5-difluorophenethyl)-4- ethyl-2-methyl-1-oxa-4,9-diazaspiro[5.5]undecan-3-one having pharmacological activity, to processes of preparation of such compounds, to pharmaceutic. (sumobrain.com)
  • The compounds are substituted derivatives of 6p-N-heterocyclic naltrexamine (NAP) and are used in the trea. (sumobrain.com)
  • Continuing their study of the possible radioprotective properties of heterocyclic nitrogenous compounds, the authors study certain derivatives of imidazole and other compounds of similar structure. (osti.gov)
  • Etude des proprietes radioprotectrices de composes heterocycliques azotes} author = {Rinaldi, R, and Bernard, Y} abstractNote = {Continuing their study of the possible radioprotective properties of heterocyclic nitrogenous compounds, the authors study certain derivatives of imidazole and other compounds of similar structure. (osti.gov)
  • Heterocyclic compounds with nitrogen only hetero-atom(s) containing an unfused imidazole ring excluding hydantoin and its derivatives. (statista.com)
  • Benzo[cicinnoline and its derivatives are important heterocyclic compounds with antirheumatoid, as well as antimitotic properties. (freethesaurus.com)
  • Buy Thiophene and Its Derivatives, Part 2 (The Chemistry of Heterocyclic Compounds, Vol. 44) on Amazon.com ✓ FREE SHIPPING on qualified orders. (plancul-belge.be)
  • This invention has as its purpose the provision of new compounds or new derivatives of condensed Pyh and exactlyonce heterocyclic compounds with low toxicity and high antitumor activity. (russianpatents.com)
  • A cyclic compound having as ring members atoms of at least two different elements. (ebi.ac.uk)
  • The only exception to this requirement is that the compounds may contain metal atoms, but only as the cations of heterocyclic organic acid salts, alcoholates, phenolates or mercaptides, or as chelating atoms, e.g. in porphyrins. (uspto.gov)
  • In six-membered heteroaromatic rings, the heteroatoms (usually nitrogen) are pyridine-like-for example, the compounds pyrimidine , which contains two nitrogen atoms, and 1,2,4-triazine, which contains three nitrogen atoms. (britannica.com)
  • The molecules of organic chemical compounds are built up from a framework or backbone of carbon atoms to which are attached hydrogen (H), oxygen, or other heteroatoms. (britannica.com)
  • Substitution of one or more of the ring carbon atoms in the molecules of a carbocyclic compound with a heteroatom gives a heterocyclic compound. (britannica.com)
  • When one of the carbon atoms of cyclopentane is replaced with an atom of nitrogen, the compound pyrrolidine, a chemical relative of pyrrole , is produced. (britannica.com)
  • Nonaromatic unsaturated compounds are highly reactive-that is, they readily undergo additions of atoms or groups of atoms to the carbon atoms of their double bonds, giving each carbon four substituents. (britannica.com)
  • A heterocyclic compound or ring structure is a cyclic compound that has atoms of at least two different elements as members of its ring(s). (wikipedia.org)
  • Heterocyclic compounds are a class of compounds that consist of carbon atoms and non-carbon atoms altogether forming a cyclic skeletal structure. (chemicalbook.com)
  • According to the number of hetero atoms, five-membered compounds and six-membered heterocyclic compounds can be divided into one-hetero-atom-containing heterocyclic compounds and two-hetero-atom-containing and several-hetero-atom-containing heterocyclic compounds. (chemicalbook.com)
  • purine, comprising more than two hetero atoms, is a several-hetero-atom-containing heterocyclic compound. (chemicalbook.com)
  • The Title "The Chemistry of Heterocyclic Compounds, Heterocyclic Systems with Bridgehead Nitrogen Atoms" is written by W.L. Mosby. (printsasia.com)
  • The Chemistry of Heterocyclic Compounds, Heterocyclic Systems with Bridgehead Nitrogen Atoms is currently Available with us. (printsasia.com)
  • heterocyclic compound - Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. (en-academic.com)
  • Heterocyclic compounds are organic compounds that contain a ring structure containing atoms in addition to carbon, such as sulfur, oxygen or nitrogen, as part of the ring. (primaryinfo.com)
  • The asymmetrical carbon atoms contained in the compounds of formula (I) can independently from one other have the R, S or RS configuration, and a subject of the invention is also therefore, the compounds of formula (I) presented in the form of pure enantiomers or pure diastereoisomers or in the form of a mixture of enantiomers in particular racemates, or diastereoisomer mixtures. (allindianpatents.com)
  • In contrast, the rings of homocyclic compounds consist entirely of atoms of the same element. (infogalactic.com)
  • Volume 20 deals with heterocyclic compounds which contain only one nitrogen atom as the ring-heteroatom and which bear no functional groups on the ring-carbon atoms. (bookdepository.com)
  • Organic chemistry is the chemistry subdiscipline for the scientific study of structure, properties, and reactions of organic compounds and organic materials (materials that contain carbon atoms ). (wikipedia.org)
  • Heterocyclic - denoting a compound whose molecule contains a ring of atoms of at least two elements (one of which is generally carbon). (larochelleairport.net)
  • Aromaticity denotes the significant stabilization of a ring compound by a system of alternating single and double bonds-called a cyclic conjugated system -in which six π electrons generally participate. (britannica.com)
  • Lactones, lactams, cyclic ethers that we've already learned are heterocyclic compounds. (chemicalbook.com)
  • and pyridine is a typical heterocyclic aromatic, or heteroaromatic, substance. (britannica.com)
  • 2-Bromopyridine is a 2-halogenated pyridine used in the preparation of a variety of biologically active compounds such as antimalarial agents and beta-adrenoceptor agonist. (echemi.com)
  • Comparability and repeatability of methods for estimating the dietary intake of the heterocyclic amine contaminant 2-amino-1-methyl-6-phenylimidazo[4,5b]pyridine (PhIP). (cdc.gov)
  • The most common and also the most important heterocyclic compounds are that with five-membered or six-membered heterocyclic ring and their fused heterocyclic compounds. (chemicalbook.com)
  • Therefore, according to the size of the ring, heterocyclic compounds can be divided into five-membered compounds and six-membered heterocyclic compounds. (chemicalbook.com)
  • Drugs containing an aromatic five-membered nitrogen heterocyclic compound include cholesterol-lowering Atorvastatin, anti-inflammatory Celecoxib, anti-ulcer Cimetidine, antifungal Fluconazole, and antihypertensive Losartan. (getnews.info)
  • Although heterocyclic chemical compounds may be inorganic compounds or organic compounds, most contain at least one carbon. (wikipedia.org)
  • Biocidal, pest attractant, or plant growth regulatory activity of chemical compounds or preparations is further classified in subclass A01P (this subclass does only exist in IPC).Therapeutic activity of chemical compounds is further classified in subclass A61P . (uspto.gov)
  • Edmonds United Methodist Church Where face I are for Promised pages, n't millions formed by the Court of High Commission during the chemistry of heterocyclic compounds isoxazoles part of James I? (octavachamberorchestra.com)
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  • The 5-membered ring compounds containing two heteroatoms, at least one of which is nitrogen, are collectively called the azoles . (wikipedia.org)
  • A large group of 5-membered ring compounds with three heteroatoms also exists. (wikipedia.org)
  • Six-membered heteroaromatic compounds cannot normally contain pyrrolelike heteroatoms. (britannica.com)
  • The hypothetical compound with six nitrogen heteroatoms would be hexazine. (wikipedia.org)
  • Compounds with one heteroatom include: Those with two heteroatoms include: Borazocine is an eight-membered ring with four nitrogen heteroatoms and four boron heteroatoms. (wikipedia.org)
  • Systems with two heteroatoms are usually constructed from two compounds of which one contains both heteroatoms as nucleophiles and the other contains two electrophilic groups. (taylorfrancis.com)
  • A large group of 5-membered ring compounds with two heteroatoms are collectively called the azole s. (en-academic.com)
  • With 5-heteroatoms, the compound may be considered inorganic rather than heterocyclic. (infogalactic.com)
  • The main direction of the group's research is the development of new approaches to the synthesis of heterocyclic compounds, as well as the application of these Chemistry of Heterocyclic Compounds - CRC Press Book Dec 22, 2014 This book discusses the structure, synthesis, and reactivity of heterocyclic compounds. (plancul-belge.be)
  • Paal-Knorr Reaction in the Synthesis of Heterocyclic Compounds. (plancul-belge.be)
  • Izumi, M 2006, ' Solid-phase organic synthesis of heterocyclic compounds ', Journal of Pesticide Science , vol. 31, no. 1, pp. 1-5. (elsevier.com)
  • Many heterocyclic compounds, including some amines , are carcinogenic . (en-academic.com)
  • Some heterocyclic amines (HCAs) found in cooked meat are known carcinogen s. (en-academic.com)
  • For example, heterocyclic amines are the carcinogenic chemicals formed from the cooking of muscle meats such as beef , pork , fowl , and fish . (en-academic.com)
  • Some heterocyclic amines (HCAs) found in cooked meat are known carcinogens. (primaryinfo.com)
  • The present disclosure relates to novel compounds and pharmaceutical compositions thereof, and methods for inhibiting the activity of SHP2 phosphatase with the compounds and compositions of the disclosure. (sumobrain.com)
  • This invention relates to novel oxazoles and thiazoles, to processes for the preparation thereof and to pharmaceutical compositions containing such compounds. (passivity.us)
  • The invention provides PDE9-inhibiting compounds of Formula (I), ##STR00001## and pharmaceutically acceptable salts thereof, wherein R 1 , R 2 , R 3 , A, and n are as defined herein. (patentsencyclopedia.com)
  • Pharmaceutical compositions containing the compounds of Formula I, and uses thereof in treating neurodegenerative and cognitive disorders, such as Alzheimer's disease and schizophrenia, are also provided. (patentsencyclopedia.com)
  • or b) a pharmaceutical composition comprising a compound of Formula I, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable vehicle, carrier or diluent. (patentsencyclopedia.com)
  • Journal of Heterocyclic Chemistry, 17, 1713-1717. (scirp.org)
  • Journal of Heterocyclic Chemistry, 17, 833-854. (scirp.org)
  • Journal of Heterocyclic Chemistry, 24, 1665-1668. (scirp.org)
  • Compounds, compositions and methods are provided for the inhibition of GBP1. (sumobrain.com)
  • Provided herein are oxa- and aza-tricyclic 4-pyridone-3-carboxylic acid compounds, their manufacture, pharmaceutical compositions comprising them, and their use as medicaments for inhibiting HBsAg secretion and HBV DNA production, and fo. (sumobrain.com)
  • The invention provides compounds, compositions, and methods for treating pain. (sumobrain.com)
  • The invention describes pharmaceutical compounds and compositions comprised of a ligand attached to the opioid oxymorphone, in a manner that substantially decreases or deters the potential for opioid abuse, addiction, illicit and illegal. (sumobrain.com)
  • The present invention relates to heterocyclic compounds, their compositions and medicaments containing the same, as well as processes for the preparation and use of such compounds, compositions and medicaments. (justia.com)
  • The invention also relates to pharmaceutical compositions containing such compounds in treating diseases disorders associated with calcium release-activated calcium (CRAC) channel modulators. (patentsencyclopedia.com)
  • The purpose of this invention is the provision of a method of obtaining these compounds and pharmaceutical compositions containing these compounds as active ingredient. (russianpatents.com)
  • Synthesis of pyrimidine nucleus from 1,3-dicarbonyl compounds (β-diketones + amidine, β-diketones + guanidine). (uniss.it)
  • Several heterocyclic compounds involved in biology include nucleic acids (nitrogen-containing purine and pyrimidine bases in DNA), vitamins (thiamine B1, riboflavin B2, nicotinamide B3), essential amino acids (proline, histidine and tryptophan) and heme (haemoglobin). (getnews.info)
  • The simplest organic compounds are the hydrocarbons , compounds of carbon and hydrogen only. (britannica.com)
  • A class of organic compounds containing two ring structures, one of which is made up of more than one kind of atom, usually carbon plus another atom. (umassmed.edu)
  • Nitro-carbon heterocyclic structures are found in various therapeutic agents, including numerous antihistamines, as well as antiseptic, antiarrythmic, antirheumatic, antibiotic and other pharmaceutical compounds. (primaryinfo.com)
  • The bonding patterns of carbon, with its valence of four-formal single, double, and triple bonds, plus structures with delocalized electrons-make the array of organic compounds structurally diverse, and their range of applications enormous. (wikipedia.org)
  • Heterocyclic compounds are presumably the largest class of organic compounds, obtaining great diversity in chemical and physical properties. (plancul-belge.be)
  • Sep 1, 2012 In general, the physical and chemical properties of heterocyclic compounds are best understood by comparing them with ordinary organic Chemistry of heterocyclic compounds . (plancul-belge.be)
  • This book covers the general properties of heterocyclic compounds and methods for their preparation to use in applications of green chemistry. (routledge.com)
  • All introduction of heterocyclic compounds wholesalers & introduction of heterocyclic compounds manufacturers come from members. (hfcletter.com)
  • We doesn't provide introduction of heterocyclic compounds products or service, please contact them directly and verify their companies info carefully. (hfcletter.com)
  • A possibility of introduction of heterocyclic ortho -aminoketones into promoted by TMSCI Friedländer reaction with a wide set of α-methylenecarbonyl compounds was studied. (enamine.net)
  • Various methods based on energetic, structural, and magnetic criteria have been widely used to measure the aromaticity of carbocyclic compounds. (britannica.com)
  • This chapter will mainly discuss heterocyclic compounds with relatively stable ring system and with a certain degree of aromaticity, also known as aromatic heterocyclic compound. (chemicalbook.com)
  • Once you get the basics we'll look at the trickier questions including fused rings, anion and cation aromaticity followed by heterocyclic compounds. (leah4sci.com)
  • All aromaticity in heterocyclic compounds wholesalers & aromaticity in heterocyclic compounds manufacturers come from members. (tjskl.org.cn)
  • The indole structure can be found in many organic compounds like the amino acid tryptophan and in tryptophan-containing protein, in alkaloids, and in pigments. (bayho.com)
  • Skatole - a mildly toxic white crystalline organic compound belonging to the indole family. (larochelleairport.net)
  • Cover compounds containing one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system, with or without other non-condensed hetero rings. (uspto.gov)
  • such substances often are referred to as carbocyclic or alicyclic compounds. (britannica.com)
  • Names in italics are retained by IUPAC and they do not follow the Hantzsch-Widman nomenclature Heterocyclic rings systems that are formally derived by fusion with other rings, either carbocyclic or heterocyclic, have a variety of common and systematic names. (wikipedia.org)
  • Pentazole is the all nitrogen heteroatom unsaturated compound. (infogalactic.com)
  • Aromatic heterocyclic compounds are those which have a heteroatom in the ring and acting in a manner similar to benzene in some properties. (getnews.info)
  • In this thesis, Anmber of heterocylic compound with five and six memberd, Such as substituted imidazole, triazin and thiazolidine. (iraqjournals.com)
  • From the reaction of compound(1) with phenyl thiourea attended imidazole -2-thione(7). (iraqjournals.com)
  • About half of the existing medicines have heterocyclic structures. (chemicalbook.com)
  • Alpha-helix mimetic structures and compounds represented by the formula (I) wherein the general formula and the definition of each symbol are as defined in the. (patents.com)
  • The structures of the compounds 2a-e were confirmed by their UV, IR, 1 H NMR, 13 C NMR and mass spectral data and elemental analyses. (banglajol.info)
  • That's why it's so useful to know the structures of major heterocyclic compounds for molecular biologists, pharmacists, organic chemists and for general public interested in what the stuff is made from. (asmolgam.com)
  • 1. This app has a bit aggressive "watermelon" design and its goal is not only to teach millions of iOS users about heterocyclic structures but also test the simplest possible "letter quiz" model. (asmolgam.com)
  • The purpose of the present invention is to provide a compound that is effective as a prophylactic agent or a therapeutic agent for various diseases and symptoms associated with the orexin receptor, as well as to provide a medical usage t. (sumobrain.com)
  • The present invention relates to novel compounds and probes which have a common chemical structure necessary to obtain potent inhibitory activity against KLK4. (patents.com)
  • The present invention is directed to a multi-sensor array compound including at least three chromophores, at least one receptor and an anchor. (patents.com)
  • The present invention provides a compound and a pharmaceutical composition for neuropsychological disorders or malignant tumors, the use of the compound and the. (patents.com)
  • An object of the present invention is to provide a compound and pharmaceutical composition showing superior stability and/or solubility, etc. and having superior FLT3 inhibitory activity. (patents.com)
  • The present invention is directed to certain amides and heterocyclic compounds. (justia.com)
  • The present invention also relates to uses of these compounds to treat several diseases including autoimmune disorders, cardiovascular disorders, inflammation, central nervous system disorders, arterial thrombotic disorders, fibrotic disorders, glaucoma, and neoplastic disorders. (justia.com)
  • The present invention relates to a novel process for preparing known heterocyclic compounds by alkylation of suitable precursors. (allindianpatents.com)
  • As a result, they have found that the new condensed Pyh and exactlyonce heterocyclic compounds having oralloy structure in their molecule, have high antitumor activity and low toxicity, which is the completion of the present invention. (russianpatents.com)
  • The invention relates to novel condensed polycyclic heterocyclic compounds of the formula I and the way they are received. (russianpatents.com)
  • According to the form of the ring in the molecule, heterocyclic compounds can be divided into single-heterocyclic compounds and fused heterocyclic compounds. (chemicalbook.com)
  • Heterocyclic compounds are organic compounds that contain a heterocyclic structure in the molecule and are the largest number of organic compounds. (echemi.com)
  • Salts, chelates, alcoholates (except Ti/Zr), phenates involving a single ligand are classified as the parent compound (metal containing porphyrin C07D 487/22 ). (uspto.gov)
  • Azabicyclic heterocyclic Compound of general formula (I), or one of its salts with a base or an acid: in which R1, R2, R3, X, A and n are as herein described in the specification and claims. (allindianpatents.com)
  • A subject of the invention is also the salts of these compounds which can be obtained with bases or organic or inorganic acids, together with the internal salts in which form certain compounds may, under certain conditions, be present. (allindianpatents.com)
  • The invention relates to compounds of Formula (I) and their pharmaceutically acceptable salts, wherein the substituents are as described herein, and their use in medicine for the treatment of diseases, disorders associated with the modulation of calcium release-activated calcium (CRAC) channel. (patentsencyclopedia.com)
  • IUPAC recommends the Hantzsch-Widman nomenclature for naming heterocyclic compounds. (wikipedia.org)
  • Naming heterocyclic compounds is complicated because of the existence of many common names in addition to the internationally agreed-upon systematic nomenclature . (britannica.com)
  • It covers nomenclature, conformational aspects, Heterocyclic Chemistry - MSU Chemistry Devising a systematic nomenclature system for heterocyclic compounds presented a formidable challenge, which has not been uniformly concluded. (plancul-belge.be)
  • This study includes the nomenclature, reactivity and synthesis of such compounds. (uniss.it)
  • 1951: Chargaff's rules are described, highlighting the role of heterocyclic compounds (purines and pyrimidines) in the genetic code. (wikipedia.org)
  • Over a period of a decade hundreds of compounds corresponding to several classes (thiosemicarbazone, metronidazole analogues, azoles, pyrimidines, hydrazones, and triazines) have been synthesized, screened, and evaluated for their antiamoebic activity. (springer.com)
  • This paper describes recent findings and a useful method for the synthesis of heterocycle and nitrogen heterocycle compounds. (elsevier.com)
  • It is the main resource of polycyclic compounds and homologous heterocyclic compounds containing oxygen, nitrogen and sulfur. (freethesaurus.com)
  • About one hundred and ninety volatile compounds were detected using GC-MS which includes aldehydes ketones esters alcohols hydrocarbons ethers nitrogen oxygen sulfur phenols free acids heterocyclic compounds and lactones. (freethesaurus.com)
  • We collected house dust and indoor air samples in 49 California homes and analyzed for 76 semivolatile organic compounds-phthalates, polybrominated diphenyl ethers, polychlorinated biphenyls, polycyclic aromatic hydrocarbons, and pesticides. (ctdbase.org)
  • Central Library, KUET catalog › Results of search for '(su:{Heterocyclic compounds. (ac.bd)
  • Organic compounds containing at least one heterocyclic ring, and with no ring comprising a steroid, saccharide or peptide moiety. (uspto.gov)
  • A facile and convenient synthesis of new heterocyclic compounds containing a sulfamoyl moiety suitable for use as antimicrobial agents was reported. (hindawi.com)
  • Certain polycyclic aromatic hydrocarbons and heterocyclic compounds / this publication is the outcome of the meeting of the IARC Working Group on the Evaluation of the Carcinogenic Risk of Chemicals to Man, Lyon, 5-11 December 1972. (who.int)
  • More particularly provided is a compound shown in formula (I), an isomer, a hydrate, a solvate, a pharmaceutically acceptable. (sumobrain.com)
  • Treatment of 3 with hydrazine hydrate in ethanol afforded amino imino compound 4. (scirp.org)
  • For example, heterocyclic structure exists in chlorophyll in plants, hemoglobin in animal blood, alkaloids and glycosides as the active ingredient in herbs, some antibiotics and vitamins, certain composition of amino acids in protein and bases in nucleotide. (chemicalbook.com)
  • Mahmood, Z., Ahmad, A. Synthesis of Some Heterocyclic Compounds Derived From 2-Amino Benzothiazole. (iraqjournals.com)
  • The N-(1,3-benzothiazol-2-yl)-2-chloro acetamide compound(1) was prepared from the reaction of the compound (2-amino benzothiazole) with chloroacetyl chloride. (iraqjournals.com)
  • Also from the reaction of (2-amino benzothiazole) with phthalic anhydride or malic anhydride attended compounds (8) and (9) ,respectively. (iraqjournals.com)
  • Recently, 4-thiazolidones and the related heterocyclic compounds have been demonstrated to be a perspective source of innovative anticancer agents (Havrylyuk et al. (freethesaurus.com)
  • Within the modified compounds 7 b (4-nitro-substituted pyrazole) turn to be more potent against all bacterial strains. (elsevier.com)
  • A great number of heterocyclic compounds were found to be excellent inhibitors of copper and steel corrosion. (lap-publishing.com)
  • Antimicrobial evaluation of some selected examples from the synthesized products was carried out whereby four compounds were found to have moderate activities and one compound showed the highest activity. (hindawi.com)
  • Demeunynck, M. Synthesis and in Vitro Antimicrobial Evaluation of New N-Heterocyclic Diquaternary Pyridinium Compounds. (mdpi.com)
  • Furdui B, Parfene G, Ghinea IO, Dinica RM, Bahrim G, Demeunynck M. Synthesis and in Vitro Antimicrobial Evaluation of New N-Heterocyclic Diquaternary Pyridinium Compounds. (mdpi.com)
  • 2014. "Synthesis and in Vitro Antimicrobial Evaluation of New N-Heterocyclic Diquaternary Pyridinium Compounds. (mdpi.com)
  • 2 The Stetter reaction (conjugate addition of an aldehyde to an α,β-unsaturated compound) is a superb method for the construction of 1,4-dicarbonyl compounds bearing quaternary stereocenters ( Scheme 1 ). (sigmaaldrich.com)
  • And by reaction compound(8) or (9) with o-phenylene diamine attended compounds (10) and (11) ,respectively. (iraqjournals.com)
  • The present disclosure provides compounds of Formula (I-a), Formula (I), and Formula (II). (patents.com)
  • Chemistry of Heterocyclic Compounds publishes articles, letters to the Editor, reviews, and minireviews on the synthesis, structure, reactivity, and biological activity of heterocyclic compounds including natural products. (springer.com)
  • Chemistry of Heterocyclic Compounds - CRC Press Book Dec 22, 2014 This book discusses the structure, synthesis, and reactivity of heterocyclic compounds. (plancul-belge.be)
  • For polycyclic heterocyclic compounds containing one or more heterocyclic nuclei of aromatic or nonaromatic character, together with one or more benzene or hydroaromatic rings, the systematic treatment of constitutive effects is rather involved. (springer.com)
  • Rovis has demonstrated that triazolium salt ( 667080 ) in the presence of a base can act as an N-heterocyclic carbene organocatalyst 1 in highly enantioselective intramolecular Stetter reactions. (sigmaaldrich.com)