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61 relations: Acetic anhydride, Acetonitrile, Acetophenone, Alexandru Balaban, Alkyne, Ammonia, Anthocyanidin, Anthocyanin, Aromatic hydrocarbon, Aromaticity, Arsabenzene, Benzaldehyde, Benzene, Benzopyran, Bicyclic molecule, Bismabenzene, Borabenzene, Carbon, Carbon dioxide, ChemComm, Chloride, Conjugated system, Costin Nenițescu, Coumarin, Counterion, Cyclic compound, Diels–Alder reaction, Fluoroboric acid, Germabenzene, Heteroatom, Heterocyclic compound, Hydrogen sulfide, Hydroxy group, Hydroxylamine, International Union of Pure and Applied Chemistry, Ion, Lactone, Maltol, Naphthalene, Nitromethane, Nucleophile, Oxonium ion, Oxygen, Phosphine, Phosphorine, Physical Chemistry Chemical Physics, Polycyclic compound, Pyran, Pyridine, Pyridine-N-oxide, ..., Pyridinium, Salt, Saturation (chemistry), Silabenzene, Stannabenzene, Substituent, Tert-Butyl alcohol, Thiopyrylium, Xylenol, Zwitterion, 2-Pyrone. Expand index (11 more) »
Acetic anhydride
Acetic anhydride, or ethanoic anhydride, is the chemical compound with the formula (CH3CO)2O.
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Acetonitrile
Acetonitrile is the chemical compound with the formula.
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Acetophenone
Acetophenone is the organic compound with the formula C6H5C(O)CH3 (also represented by the pseudoelement symbols PhAc or BzMe).
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Alexandru Balaban
Alexandru T. Balaban (born April 2, 1931) is a chemist who significantly contributed to the fields of organic chemistry, theoretical chemistry, mathematical chemistry, and chemical graph theory.
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Alkyne
In organic chemistry, an alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond.
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Ammonia
Ammonia is a compound of nitrogen and hydrogen with the formula NH3.
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Anthocyanidin
Anthocyanidins are common plant pigments.
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Anthocyanin
Anthocyanins (also anthocyans; from Greek: ἄνθος (anthos) "flower" and κυάνεος/κυανοῦς kyaneos/kyanous "dark blue") are water-soluble vacuolar pigments that, depending on their pH, may appear red, purple, or blue.
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Aromatic hydrocarbon
An aromatic hydrocarbon or arene (or sometimes aryl hydrocarbon) is a hydrocarbon with sigma bonds and delocalized pi electrons between carbon atoms forming a circle.
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Aromaticity
In organic chemistry, the term aromaticity is used to describe a cyclic (ring-shaped), planar (flat) molecule with a ring of resonance bonds that exhibits more stability than other geometric or connective arrangements with the same set of atoms.
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Arsabenzene
Arsabenzene (IUPAC name: arsinine) is an organoarsenic heterocyclic compound with the chemical formula C5H5As.
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Benzaldehyde
Benzaldehyde (C6H5CHO) is an organic compound consisting of a benzene ring with a formyl substituent.
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Benzene
Benzene is an important organic chemical compound with the chemical formula C6H6.
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Benzopyran
Benzopyran is an polycyclic organic compound that results from the fusion of a benzene ring to a heterocyclic pyran ring.
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Bicyclic molecule
A bicyclic molecule (bi.
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Bismabenzene
Bismabenzene (C5H5Bi) is the parent representative of a group of organobismuth compounds that are related to benzene with a carbon atom replaced by a bismuth atom.
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Borabenzene
A borabenzene is a heteroaromatic compound that has a boron atom instead of the carbon atom of a benzene molecule.
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Carbon
Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.
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Carbon dioxide
Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.
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ChemComm
ChemComm (or Chemical Communications), formerly known as Journal of the Chemical Society D: Chemical Communications (1969–1971), Journal of the Chemical Society, Chemical Communications (1972–1995), is a peer-reviewed scientific journal published by the Royal Society of Chemistry.
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Chloride
The chloride ion is the anion (negatively charged ion) Cl−.
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Conjugated system
In chemistry, a conjugated system is a system of connected p-orbitals with delocalized electrons in molecules which are conventionally represented as having alternating single and multiple bonds, which in general may lower the overall energy of the molecule and increase stability.
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Costin Nenițescu
Costin D. Neniţescu in foreign scientific publication written as Nenitzescu (15 July 1902 – 28 July 1970) was a prominent Romanian chemist, and a professor at the Polytechnic University of Bucharest.
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Coumarin
Coumarin (2H-chromen-2-one) is a fragrant organic chemical compound in the benzopyrone chemical class, although it may also be seen as a subclass of lactones.
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Counterion
Polystyrene sulfonate, a cation exchange resin, is typically supplied with Na+ as the counterion. A counterion (pronounced as two words, i.e. "counter" "ion", and sometimes written as two words) is the ion that accompanies an ionic species in order to maintain electric neutrality.
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Cyclic compound
A cyclic compound (ring compound) is a term for a compound in the field of chemistry in which one or more series of atoms in the compound is connected to form a ring.
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Diels–Alder reaction
The Diels–Alder reaction is an organic chemical reaction (specifically, a cycloaddition) between a conjugated diene and a substituted alkene, commonly termed the dienophile, to form a substituted cyclohexene derivative.
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Fluoroboric acid
Fluoroboric acid or tetrafluoroboric acid is an inorganic compound with the chemical formula.
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Germabenzene
Germabenzene (C5H6Ge) is the parent representative of a group of chemical compounds containing in their molecular structure a benzene ring with a carbon atom replaced by a germanium atom.
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Heteroatom
In chemistry, a heteroatom (from Ancient Greek heteros, "different", + atomos, "uncut") is any atom that is not carbon or hydrogen.
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Heterocyclic compound
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).
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Hydrogen sulfide
Hydrogen sulfide is the chemical compound with the chemical formula H2S.
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Hydroxy group
A hydroxy or hydroxyl group is the entity with the formula OH.
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Hydroxylamine
Hydroxylamine is an inorganic compound with the formula NH2OH.
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International Union of Pure and Applied Chemistry
The International Union of Pure and Applied Chemistry (IUPAC) is an international federation of National Adhering Organizations that represents chemists in individual countries.
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Ion
An ion is an atom or molecule that has a non-zero net electrical charge (its total number of electrons is not equal to its total number of protons).
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Lactone
Lactones are cyclic esters of hydroxycarboxylic acids, containing a 1-oxacycloalkan-2-one structure, or analogues having unsaturation or heteroatoms replacing one or more carbon atoms of the ring.
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Maltol
Maltol is a naturally occurring organic compound that is used primarily as a flavor enhancer.
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Naphthalene
Naphthalene is an organic compound with formula.
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Nitromethane
Nitromethane is an organic compound with the chemical formula.
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Nucleophile
Nucleophile is a chemical species that donates an electron pair to an electrophile to form a chemical bond in relation to a reaction.
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Oxonium ion
In chemistry, an oxonium ion is any oxygen cation with three bonds.
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Oxygen
Oxygen is a chemical element with symbol O and atomic number 8.
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Phosphine
Phosphine (IUPAC name: phosphane) is the compound with the chemical formula PH3.
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Phosphorine
Phosphorine (IUPAC name: phosphinine) is a heavier element analog of pyridine, containing a phosphorus atom instead of an aza- moiety.
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Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics is a weekly peer-reviewed scientific journal publishing research and review articles on any aspect of physical chemistry, chemical physics, and biophysical chemistry.
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Polycyclic compound
In the field of organic chemistry, a polycyclic compound is an organic chemical featuring several closed rings of atoms, primarily carbon.
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Pyran
In chemistry, pyran, or oxine, is a six-membered heterocyclic, non-aromatic ring, consisting of five carbon atoms and one oxygen atom and containing two double bonds.
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Pyridine
Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N.
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Pyridine-N-oxide
Pyridine-N-oxide is the heterocyclic compound with the formula C5H5NO.
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Pyridinium
Pyridinium refers to the cation +. It is the conjugate acid of pyridine.
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Salt
Salt, table salt or common salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.
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Saturation (chemistry)
In chemistry, saturation (from the Latin word saturare, meaning 'to fill') has diverse meanings, all based on the idea of reaching a maximum capacity.
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Silabenzene
A silabenzene is a heteroaromatic compound containing one or more silicon atoms instead of carbon atoms in benzene.
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Stannabenzene
Stannabenzene (C5H6Sn) is the parent representative of a group of organotin compounds that are related to benzene with a carbon atom replaced by a tin atom.
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Substituent
In organic chemistry and biochemistry, a substituent is an atom or group of atoms which replaces one or more hydrogen atoms on the parent chain of a hydrocarbon, becoming a moiety of the resultant new molecule.
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Tert-Butyl alcohol
tert-Butyl alcohol (TBA), also called tert-butanol or t-butanol, is the simplest tertiary alcohol, with a formula of (CH3)3COH (sometimes represented as t-BuOH).
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Thiopyrylium
Thiopyrylium is a cation with the chemical formula C5H5S+.
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Xylenol
Xylenols are organic compounds with the formula (CH3)2C6H3OH.
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Zwitterion
In chemistry, a zwitterion, formerly called a dipolar ion, is a molecule with two or more functional groups, of which at least one has a positive and one has a negative electrical charge and the net charge of the entire molecule is zero.
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2-Pyrone
2-Pyrone (α-pyrone or pyran-2-one) is an unsaturated cyclic chemical compound with the molecular formula C5H4O2.
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Redirects here:
Benzopyrylium, C15H11O, C5H5O, C9H7O, Chromenylium, Chromenylium ion, Flavylium, Pyrilium, Pyrylium, Pyrylium compound, Pyrylium ion.
References
[1] https://en.wikipedia.org/wiki/Pyrylium_salt
