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Chemical compound
Pyrazine is a heterocyclic aromatic organic compound with the chemical formula C4H4N2. It is a symmetrical molecule with point group D2h. Pyrazine is less
Pyrazine
Aromatic compound (C4H4N2)
nitrogen atoms at positions 1 and 3 in the ring. The other diazines are pyrazine (nitrogen atoms at the 1 and 4 positions) and pyridazine (nitrogen atoms
Pyrimidine
Red-wine variety of grape
flavour is most widely recognised, caused by pyrazines, which are more prevalent in under-ripened grapes. Pyrazine compounds are present in all Cabernet Sauvignon
Cabernet_Sauvignon
Chemical compound
also known as Grindstaff pyrazine) is a methoxypyrazine that is very similar to isopropyl methoxy pyrazine except that the alkyl side-group contains
3-Isobutyl-2-methoxypyrazine
Heterocyclic organic compound (C4H4N2)
It is isomeric with two other diazine (C4H4N2) rings, pyrimidine and pyrazine. Pyridazines are rare in nature, possibly reflecting the scarcity of naturally
Pyridazine
Chemical compound
highly odorous metabolites from an actinomycete: 2-Isopropyl-3-methoxy-pyrazine, methylisoborneol, and geosmin. Nancy N. Gerber, Journal of Chemical Ecology
Isopropyl_methoxypyrazine
two pentammineruthenium units linked to the nitrogen atoms in a bridging pyrazine ligand, which completes the octahedral coordination sphere of each metal
Creutz–Taube_complex
Unpleasant characteristic of a wine
This is also a naturally occurring compound in Sauvignon grapes, and so pyrazine taint has been known to make Rieslings taste like Sauvignon blanc.[citation
Wine_fault
Aromatic organic compounds consisting only of a conjugated planar ring system
six-membered rings Benzene Naphthalene Anthracene Pyridine Quinoline Acridine Pyrazine Quinoxaline Phenazine Pyrimidine Quinazoline Pteridine Pyridazine Cinnoline
Simple_aromatic_ring
Hydrocarbon compound (C6H6)
depending on the location of the second N, pyridazine, pyrimidine, or pyrazine. Four chemical processes contribute to industrial benzene production: catalytic
Benzene
Chemical compound
organic compound with the formula (C6H4)2N2. It is a dibenzo annulated pyrazine, and the parent substance of many dyestuffs, such as the toluylene red
Phenazine
Chemical compound
functionalised 1,4-dihydropyrazines 5 which can be aromatized to 1,4-pyrazines 6 in the presence of acid. 2,5-DKPs have been shown to play a role in
2,5-Diketopiperazine
Chemical compounds
Alkylpyrazines are chemical compounds based on pyrazine with different substitution patterns. Some alkylpyrazines are naturally occurring highly aromatic
Alkylpyrazine
Chemical compound
hydroxide and 2,3,5-Trimethyl-5,6-dihydro-pyrazine is 3:1, the mass ratio of ethanol to 2,3,5-trimethyl-5,6-dihydro-pyrazine 10:1, reaction temperature 68 °C,
2,3,5-Trimethylpyrazine
German chemist (1850–1917)
notable German chemist whose name is connected to the Staedel-Rugheimer pyrazine synthesis, a reaction that was discovered by himself and Wilhelm Staedel
Leopold_Rügheimer
Family of beetles
toxic alkaloids, azamacrolides and polyamines, as well as foul-smelling pyrazines. Coccinellids can produce at least 50 types of alkaloids. When disturbed
Coccinellidae
Town in Baden-Württemberg, Germany
Rügheimer (1850–1917) a notable German chemist, invented the Staedel-Rugheimer pyrazine synthesis Dietmar Hopp (born 1940), billionaire software entrepreneur,
Walldorf
Chemical compound
heterocyclic compound containing a ring complex made up of a benzene ring and a pyrazine ring. It is isomeric with other naphthyridines including quinazoline, phthalazine
Quinoxaline
Aromatic compound made of fused pyrimidine and pyrazine rings
substituted pteridines that have diverse biological roles. Dihydrobiopterin Pyrazine Pyrimidine Tetrahydrobiopterin International Union of Pure and Applied
Pteridine
Organic compound (C4H4N2); benzene with two CH groups replaced by N
structural isomers: pyridazine (1,2-diazine) pyrimidine (1,3-diazine) pyrazine (1,4-diazine) 6-membered rings with one nitrogen atom: pyridines 6-membered
Diazine
urinate on their food caches in order to identify them. Their urine contains pyrazine analogs that act as kairomones, repelling their prey. Dog communication
Wolf_communication
Chemical species structure notation
with more than 9 rings, consider cephalostatin-1, a steroidic 13-ringed pyrazine with the empirical formula C54H74N2O10 isolated from the Indian Ocean hemichordate
Simplified Molecular Input Line Entry System
Simplified_Molecular_Input_Line_Entry_System
Species of plant with seeds used as a spice
cuminaldehyde. Other aroma compounds of toasted cumin are the substituted pyrazines, 2-ethoxy-3-isopropylpyrazine, 2-methoxy-3-sec-butylpyrazine, and
Cumin
Heterocyclic aromatic organic compound
diazine heterocycles (C4H4N2), with the names pyridazine, pyrimidine, and pyrazine. Impure pyridine was undoubtedly prepared by early alchemists by heating
Pyridine
reducing agent is N,N'-bis(trimethylsilyl)-4,4'-bipyridinylidene. Related pyrazine- and cyclohexadiene-based reagents have been developed. They are red or
Salt-free_reduction
Chemical compound
Bloch, K.; Daturi, S.; Logemann, W.; Parenti, M.A. (1972). "Synthesis of Pyrazine Derivatives as Potential Hypoglycemic Agents". Journal of Pharmaceutical
Glipizide
Chemical compound
condensation reaction between glyoxal and 2-aminomalonamide forms the pyrazine derivative (1). Acid-catalysed hydrolysis of the amide and decarboxylation
Ampyzine
Chemical compound
proliferation is suppressed by the mitochondrial targeted furazano[3,4-b]pyrazine BAM15". Cancer & Metabolism. 9 (1): 36. doi:10.1186/s40170-021-00274-5
BAM15
Chemical compound
chemicals of this type. Piperazine can also be synthesized by reduction of pyrazine with sodium in ethanol.[citation needed] As confirmed by X-ray crystallography
Piperazine
Species of coffee plant
earthy flavour, but usually with more bitterness than arabica due to its pyrazine content. Since arabica beans are presumed to have smoother taste with more
Coffea_canephora
McCombie method Guareschi–Thorpe condensation Guerbet reaction Gutknecht pyrazine synthesis Hajos–Parrish–Eder–Sauer–Wiechert reaction Haller–Bauer reaction
List_of_organic_reactions
Chemical compound
9r)-4,7-Dinitrohexahydro-2H-5,2,6-(epoxymethanetriyloxy)[1,3]dioxolo[4,5-b]pyrazine Identifiers CAS Number 130919-56-1 Y 3D model (JSmol) Interactive image
TEX_(explosive)
Chemical compound
members of the azine series have (such as pyridine, pyrimidine, pyridazine, pyrazine, triazines, and tetrazines). While a neutrally charged hexazine species
Hexazine
Species of carnivore
liken to hops or cannabis. The responsible substance very likely is a pyrazine, which also occurs in both plants. At the Rotterdam Zoo, this smell once
Maned_wolf
Ion or molecule bound to a metal atom
binucleating ligands feature bridging ligands, such as phenoxide, pyrazolate, or pyrazine, as well as other donor groups that bind to only one of the two metal ions
Ligand
Chemical compound
-methylpiperidin-1-yl)pyridin-2-yl]-6-[3-(trifluoromethyl)pyridin-2-yl]pyrazine-2-carboxamide CAS Number 1874276-76-2 PubChem CID 118873253 IUPHAR/BPS
Darovasertib
Molecule with one or more rings composed of different elements
heteroatoms Heteroatoms Saturated Unsaturated 2 × Nitrogen Piperazine Pyrazine Pyrimidine Pyridazine Nitrogen + Oxygen Morpholine Oxazine Nitrogen + Sulfur
Heterocyclic_compound
Distilled alcoholic beverage
fatty acids. The nitrogen compounds include pyridines, picolines and pyrazines. The sulfur compounds include thiophenes and polysulfides which seem to
Whisky
Prodrug
dipeptide better known as cyclo(prolylglycyl), i.e. (S)-hexahydropyrrolo[1,2-a]pyrazine-1,4-dione. Not to be confused with a cyclopropanyl moiety. "Noopept Information"
Omberacetam
Class of chemical compounds
by insects such as Harmonia axyridis which produces isopropyl methoxy pyrazine (IPMP). They have also been identified as additives in cigarette manufacture
Methoxypyrazine
Malt or grain whisky distilled in Scotland
mashing process, particularly through formation of 2-furanmethanol and pyrazines imparting nutty or cereal characteristics contributes to the baked bread
Scotch_whisky
Chemical compound
nitration of cis-syn-cis-2,6-dioxodecahydro-1H,5H-diimidazo[4,5-b:4',5'-e]pyrazine". The Journal of Organic Chemistry. 56 (10): 3413–3419. doi:10.1021/jo00010a043
HHTDD
Pharmaceutical compound
MK-212, also known as 6-chloro-2-(1-piperazinyl)pyrazine (CPP), is a serotonin receptor agonist of the arylpiperazine family. It is specifically described
MK-212
Chemical compound
name 2-(5-{[(2,6-Dichlorophenyl)methyl]sulfanyl}-1,3,4-thiadiazol-2-yl)pyrazine Identifiers CAS Number 448947-81-7 Y 3D model (JSmol) Interactive image
Yoda1
Japanese food made from fermented soybeans
small bowl of rice.[citation needed] Nattō odor comes from diacetyl and pyrazines, but if it is allowed to ferment too long, then ammonia is released. The
Nattō
Chemical communication between species that benefits the recipient but not the emitter
receptor class. The urine of canids, such as wolves, contains sulfur-bearing pyrazine analogues that have been identified as kairomones. These interspecific
Kairomone
French wine from the Loire Valley
harvested. Many of the phenolic compounds and aroma compounds, such as pyrazine, that contribute to strong grassy flavours are found in the grape skins
Sancerre_(wine)
Rolled bundle of dried and fermented tobacco leaves made to be smoked
The most odorous chemicals in cigar smoke are pyridines. Along with pyrazines, they are also the most odorous chemicals in cigar smokers' breath. These
Cigar
Species of beetle
axyridis, like other ladybeetles or ladybirds, uses isopropyl methoxy pyrazine as a defensive chemical to deter predation, and also carries this chemical
Harmonia_axyridis
Liquid by-product of animal metabolism
Miyazono, Sadaharu; Kashiwayanagi, Makoto (2015). "The scent of wolves: Pyrazine analogs induce avoidance and vigilance behaviors in prey". Frontiers in
Urine
Chemical compound
Octahydro-1,3,4,7,8,10-hexanitro-5,2,6-(iminomethenimino)-1H-imidazo[4,5-b]pyrazine HNIW Identifiers CAS Number 135285-90-4 Y 3D model (JSmol) Interactive
Hexanitrohexaazaisowurtzitane
Chemical compound
Spoerri, Paul E. (1948). "The Synthesis and Investigation of Pyridine and Pyrazine Analogs of Salicylates". J. Am. Chem. Soc. 70 (11): 3908–3911. doi:10.1021/ja01191a113
2-Chloronicotinic_acid
Chemical property
case of furan) increase its reactivity. Other examples include pyridine, pyrazine, imidazole, pyrazole, oxazole, thiazole, thiophene, and their benzannulated
Aromaticity
Mechanism of electron transfer via a bridging ligand
bridging ligands are also well known including oxalate, malonate, and pyrazine. Prior to ET, the bridged complex must form, and such processes are often
Inner sphere electron transfer
Inner_sphere_electron_transfer
Polymer consisting of repeating units of a coordination complex
ligands are known. They range from polyfunctional heterocycles, such as pyrazine, to simple halides. Almost any type of atom with a lone pair of electrons
Coordination_polymer
Species of mushroom, widely distributed in the Northern Hemisphere
1-octen-3-one was the most prevalent chemical detected in raw mushrooms, with pyrazines having increased aroma effect and elevated content after drying. In 2023
Boletus_edulis
Species of flowering plant in the nightshade family
pepper, due possibly to the higher amount of sulfur and nitrogen compounds (pyrazine) and cucumber-like aldehydes with a low contribution to esters and ionones
Capsicum_pubescens
Seed of the coffee plant
aldehydes, and nitrogen-containing aromatic molecules, such as derivatives of pyrazines (green-herbaceous-earthy odor). When green coffee beans are roasted, other
Coffee_bean
Chemical compound
Identifiers IUPAC name (8aR)-8a-Prop-2-enyl-3,6,7,8-tetrahydro-2H-pyrrolo[1,2-a]pyrazine-1,4-dione CAS Number 847952-38-9 PubChem CID 11735696 DrugBank DB15601
Ercanetide
Chemical compound
4-Disubstituted 1,2,3-Triazoles Tethered to Pyridine, Pyrimidine, and Pyrazine Rings". Eur. J. Org. Chem. 2014 (36): 8167–8181. doi:10.1002/ejoc.201403100
Triazole
Type of biological molecule
BAM15, N5,N6-bis(2-fluorophenyl)-[1,2,5]oxadiazolo[3,4-b]pyrazine-5,6-diamine 2-tert-butyl-4,6-dinitrophenol (Dinoterb) 6-sec-butyl-2,4-dinitrophenol
Uncoupler
Genus of cricket-like animals
genera to use chemical defenses against predators. They are able to secrete pyrazine compounds from their abdominal gland that repel birds and mammals. They
Moncheca
Index of chemical compounds with the same molecular formula
molecular formula C6H6N2O may refer to: Acetylpyrazine, an organic compound; a pyrazine and a ketone Isonicotinamide, the amide form of isonicotinic acid; an isomer
C6H6N2O
Device that adds an odorant to a gas
include the following: Methyl acrylate (MA) Ethyl acrylate (EA) Methylethyl pyrazine, the odor of various foods including coffee and wines. Wick type odorizers
Odorizer
Chemical compound
substitution. An extension of the aromatic core of porphyrazines, by adding pyrazine groups, can allow the formation of another class of analogs, called
Porphyrazine
Basic aromatic ring systems Pyridine Quinoline Acridine Pyrazine Quinoxaline Phenazine Imidazole Benzimidazole Purine Pyrimidine Quinazoline Pteridine
Basic_aromatic_ring
Subfamily of moths
include cardiac glycosides (or cardenolides), pyrrolizidine alkaloids, pyrazines, and histamines. Larvae usually acquire these chemicals, and may retain
Arctiinae
Species of beetle
This particular chemical cue has been identified as 2-isopropyl-3-methoxy-pyrazine. C. septempunctata also detects chemical cues to locate prey. Aphids release
Coccinella_septempunctata
Pharmaceutical compound
-yl]anilino]-5-[(3R)-3-(3-methyl-2-oxoimidazolidin-1-yl)piperidin-1-yl]pyrazine-2-carboxamide CAS Number 2649400-34-8 PubChem CID 156464216 ChemSpider
Bexobrutideg
Small neuroactive peptide
13 June 2005. Retrieved 19 October 2024. "(S)-Hexahydropyrrolo[1,2-a]pyrazine-1,4-dione". PubChem. Retrieved 19 October 2024. Hu L, Lin J, Qin F, Xu
Cyclic_glycine-proline
Medication
Elimination half-life 9 to 10 hours Excretion Kidney Identifiers IUPAC name pyrazine-2-carboxamide CAS Number 98-96-4 Y PubChem CID 1046 IUPHAR/BPS 7287 DrugBank
Pyrazinamide
Chemical compound
Hexahydropyridazine 6-membered aromatic rings with two nitrogen atoms: Diazine Pyrazine pyrimidine pyridazine 6-membered saturated rings with three nitrogen atoms
Diazinane
cloxazolam 24166-13-0 C17H14FeO benzoylferrocene 1272-44-2 C17H14N2 benzhydryl pyrazine 28217-87-0 C17H14O distyryl ketone 538-58-9 C17H14O5 coumafuryl 117-52-2
List of compounds with carbon number 17
List_of_compounds_with_carbon_number_17
American Viticultural Area in California
subsequently alcohol levels) and decrease the amount of the green tasting pyrazine compounds found in the grapes. The style of Pinot noir produced from these
Russian_River_Valley_AVA
Curved triangle with constant width
nitrate in an ethanol–water system in the presence of 2,3-bis(2-pyridyl)pyrazine. Triangular curves of constant width with smooth rather than sharp corners
Reuleaux_triangle
Chemical compound
yellow-brown powder at room temperature. Chemically, acetylpyrazine is a pyrazine and a ketone. Acetylpyrazine is found in foods such as seeds, nuts and
Acetylpyrazine
Symmetry of molecules of chemical compounds
σ(xy) σ(xz) σ(yz) planar with inversion center, vertical plane ethylene pyrazine diborane D3h E 2C3 3C2 σh 2S3 3σv trigonal planar or trigonal bipyramidal
Molecular_symmetry
Chemical compound
Diquat dibromide Names IUPAC name 6,7-dihydrodipyrido[1,2-a:2′,1′-c]pyrazine-5,8-diium dibromide Other names 1,1′-Ethylene-2,2′-bipyridyldiylium dibromide
Diquat
Chemical compound
solution-phase precipitation under ambient conditions, using 3-bis(2-pyridyl)pyrazine (dpp) as a doping agent. The pH of the starting solution influences the
Silver_molybdate
Object or method for deterring animals
Miyazono, Sadaharu; Kashiwayanagi, Makoto (2015). "The scent of wolves: Pyrazine analogs induce avoidance and vigilance behaviors in prey". Frontiers in
Animal_repellent
Ligand which connects two or more (usually metal) atoms in a coordination complex
dichloride dimer), two chloride ligands are terminal and two are μ2 bridging. Pyrazine is a bridging ligand in this diruthenium compound, called the Creutz–Taube
Bridging_ligand
Topics referred to by the same term
chemical compound also known as 2-isopropyl-5-methylphenol Isopropyl methoxy pyrazine, an aroma compound produced by the Asian lady beetle Multipath I/O, the
IPMP
C5H5NO2 furamide 609-38-1 C5H5NO2 mecrylate 137-05-3 C5H5N3O pyrazinamide or pyrazine carboxamide 98-96-4 C5H5N5 adenine 73-24-5 C5H5Ni cyclopentadienylnickel
List of compounds with carbon number 5
List_of_compounds_with_carbon_number_5
Etchant solution
silicon. A typical formulation consists of ethylenediamine, pyrocatechol, pyrazine and water. It is carcinogenic and very corrosive. It is mainly used in
Ethylenediamine_pyrocatechol
Index of chemical compounds with the same molecular formula
The molecular formula C4H4N2 may refer to: Diazines Pyrazine Pyridazine Pyrimidine Succinonitrile, or butanedinitrile This set index page lists chemical
C4H4N2
quasi2D perovskites. Antioxidant additives: Incorporation of SnF2 and pyrazine to maintain Sn2+ stability and limit oxidation. Encapsulation techniques:
Tin-based perovskite solar cell
Tin-based_perovskite_solar_cell
American brand of cigarettes
Hillel R.; Agaku, Israel T.; Connolly, Gregory N. (2016). "A study of pyrazines in cigarettes and how additives might be used to enhance tobacco addiction"
Merit_(cigarette)
Chemical compound
Preferred IUPAC name (3S,8aS)-3-[(1H-Indol-3-yl)methyl]hexahydropyrido[1,2-a]pyrazine-1,4-dione Other names Cyclo-(L-Trp-L-Pro) Identifiers CAS Number 38136-70-8
Brevianamide_F
– PTCD – PTK787/ZK 222584 – ptosis – pulmonary sulcus tumor – PV701 – pyrazine diazohydroxide – pyrazoloacridine – pyroxamide Q10 – QS21 – quadrantectomy
Index_of_oncology_articles
Chemical compound
Norez C, Rogier C, Mettey Y, Becq F (2006). "Discovery of pyrrolo[2,3-b]pyrazines derivatives as submicromolar affinity activators of wild type, G551D,
Seliciclib
Chemical compound
Bortezomib, sold under the brand name Velcade among others, is an anti-cancer medication used to treat multiple myeloma and mantle cell lymphoma. This
Bortezomib
Invasive ant species
poorly developed in workers. Workers can detect pyrazines which are produced by the alates; these pyrazines may be involved in nuptial flight, as well as
Red_imported_fire_ant
Medication for HIV/AIDS
7-dioxo-2,3,5,7,11,11a-hexahydro(1,3)oxazolo(3,2-a)pyrido(1,2-d)pyrazine-8-carboxamide CAS Number 1051375-10-0 N as salt: 1051375-13-3 PubChem CID
Cabotegravir
Chemical compound
compound GML-1 was the most active of a series of 1-arylpyrrolo[1,2-a]pyrazine-3-carboxamides, and its anxiolytic effects were examined using the open
GML-1
Chemical compound
(2000), "Swern Oxidation of Bicyclo[2.2.1]hept-5-ene-2,3-diol and Its Pyrazine-fused Derivatives: An Improved Synthesis of Bicyclo[2.2.1]hept-5-ene-2
Vinylene_carbonate
Pharmaceutical
Defactinib (INN, codenamed VS-6063) is an inhibitor of PTK2, also known as focal adhesion kinase (FAK), Pyk2, and MELK which was developed by Pfizer and
Defactinib
Quantum chemistry algorithm
method: Implementation and applications to a Henon–Heiles Hamiltonian and to pyrazine". The Journal of Chemical Physics. 134 (4): 044135. arXiv:1012.4625. doi:10
Multi-configuration time-dependent Hartree
Multi-configuration_time-dependent_Hartree
Pharmaceutical compound
Olomorasib (LY3537982) is an experimental anticancer drug which acts as an inhibitor of the G12C mutant form of Kirsten rat sarcoma virus (KRAS), an oncogene
Olomorasib
Pharmaceutical drug
4-[[4-Fluoro-3-[2-(trifluoromethyl)-6,8-dihydro-5H-[1,2,4]triazolo[1,5-a]pyrazine-7-carbonyl]phenyl]methyl]-2H-phthalazin-1-one CAS Number 1358715-18-0 PubChem
Fuzuloparib
Computational tools for science
(2011-10-14). "Elastic and inelastic low-energy electron collisions with pyrazine" (PDF). The Journal of Chemical Physics. 135 (14): 144308. Bibcode:2011JChPh
CCPForge
PYRAZINE
PYRAZINE
PYRAZINE
PYRAZINE
Boy/Male
Hindu
Nature, Handsome
Girl/Female
American, British, English
Cushion
Girl/Female
Tamil
River Yamuna, Surya putri Yamuna
Girl/Female
Spanish
Feminine of Stephan.
Surname or Lastname
English
English : variant spelling of Hilliard.
Boy/Male
Indian
Gatherer, One who assembles
Girl/Female
African
Asked for.
Girl/Female
Hindu, Indian
Realization
Girl/Female
Hindu
Soft spoken, Nice girl, Well-spoken
Boy/Male
Shakespearean
The Tragedy of Coriolanus.' Tullus Aufidius, General of the Volscians.
PYRAZINE
PYRAZINE
PYRAZINE
PYRAZINE
PYRAZINE