n
(organic chemistry) A tricyclic aromatic heterocycle formally derived from acridine by replacing the nitrogen atom with arsenic
n
(medicine, archaic) A naphthol-sulphonic-acid salt of aluminum, used to treat wounds, etc.
n
(organic chemistry) The aromatic derivative of arsenic C₆H₅-As=As-C₆H₅, whose derivatives include some pharmaceuticals
n
(organic chemistry) The organic compound formally derived from choline by replacing the nitrogen atom with arsenic
n
(organic chemistry) An unsaturated seven-membered heterocycle having six carbon atoms, one arsenic atom and three double bonds.
n
(organic chemistry) The heterocycle formally derived from indole by replacing the nitrogen atom with one of arsenic.
n
(chemistry) any hydrocarbyl derivative of this compound
adj
(organic chemistry, in combination) Describing any polycyclic heterocycle in which one nitrogen atom is simultaneously part of three different rings
n
(organic chemistry) An unsaturated seven-membered heterocycle having six carbon atoms, one nitrogen atom and three double bonds
n
(organic chemistry) A cation formed from azepine
n
(organic chemistry) An unsaturated four-membered heterocycle containing three carbon atoms, one nitrogen atom and two double bonds
n
(organic chemistry) A saturated heterocycle containing three carbon atoms and one nitrogen atom
n
(organic chemistry) An unsaturated heterocycle containing two carbon atoms and one nitrogen atom
n
(organic chemistry) Any of a class of five-membered unsaturated heterocycles having three carbon atoms, one nitrogen atom and two double bonds
n
(organic chemistry) phenol
n
(obsolete, organic chemistry) A benzenium ion.
n
(organic chemistry) Any of several isomeric forms of a compound containing two thiophene rings joined to each other.
n
(organic chemistry) A heteroaromatic compound in which a carbon atom of a benzene ring has been replaced by one of boron
n
(organic chemistry) A heteroaromatic compound in which a carbon atom of a pyridine ring has been replaced by one of boron
n
(organic chemistry) Any butyl derivative of cinnoline
n
(organic chemistry, especially in combination) Any chloro derivative of a benzoyl radical
n
(chemistry) A distorted fullerene that is stabilised by an internal cluster of atoms
n
(inorganic chemistry, organic chemistry) The cyclopolyarsine containing a ring of five arsenic atoms; any organic derivative of this compound
n
(inorganic chemistry, organic chemistry) A compound, composed of a ring of five nitrogen atoms, of formula (H-N<)₅; but especially, any organic derivative of such a compound.
n
(organic chemistry) The saturated, bicyclic heterocycle, related to isoquinoline, composed of a cyclohexane ring fused to that of piperidine
n
(organic chemistry) Any derivative of thiourea having two alkyl groups
n
(chemistry) A bidentate organoarsenic ligand with formula C₆H₄[As(CH₃)₂]₂, also known as 1,2-bis(dimethylarsino)benzene.
n
(organic chemistry) A five-membered saturated heterocycle having two carbon atoms, two nitrogen atoms and a boron atom; any derivative of this compound
n
(organic chemistry) A saturated, five-membered heterocycle having two carbon atoms, two nitrogen atoms and one phosphorus atom; any derivative of this compound
n
(organic chemistry) An unsaturated ten-membered heterocycle having eight carbon atoms, two nitrogen atoms and five double bonds
n
(organic chemistry) An unsaturated heterocycle that has two carbon atoms, two nitrogen atoms and two double bonds
n
(organic chemistry) A saturated four-membered heterocycle containing two carbon atoms and two nitrogen atoms
n
(organic chemistry) A six-membered saturated heterocycle containing four carbon atoms and two nitrogen atoms; any derivative of this compound
n
(organic chemistry) Alternative form of diazirine [(organic chemistry) The unsaturated heterocycle consisting of a three-membered ring containing one carbon atom and two nitrogen atoms connected by a double bond; it is isomeric with diazomethane]
n
(organic chemistry) A saturated eight-membered heterocycle containing six carbon atoms and two nitrogen atoms
n
(organic chemistry) Any of several isomeric unsaturated heterocycles having six carbon atoms, two nitrogen atoms and four double bonds
n
(organic chemistry) Either of two unsaturated heterocycles consisting of a five-membered ring containing three carbon atoms, two nitrogen atoms and two double bonds - namely pyrazole and imidazole
n
(organic chemistry) Any of several isomeric dibromo derivatives of butane
n
(organic chemistry) Either of two dicyano derivatives of ethane, but especially 1,2-dicyanoethane or succinonitrile.
n
(chemistry) A chemical compound with molecular formula C₁₈H₂₇P.
n
(organic chemistry, especially in combination) Any diethyl derivative of a hexyl radical
n
(organic chemistry) Any six-membered unsaturated heterocycle containing four carbon atoms, one oxygen and one nitrogen atoms and one double bond.
n
(organic chemistry) Any of a class of unsaturated six-membered heterocycles that contain one double bond, one oxygen atom and a ketone functional group.
n
(organic chemistry) A seven-membered unsaturated heterocycle containing five carbon atoms, one nitrogen and one sulfur atom and two double bonds
n
(organic chemistry) An unsaturated, five-membered heterocycle containing four carbon atoms, one sulfur atom and one double bond; any derivative of this compound
n
(organic chemistry) Any of several isomeric five-membered saturated heterocycles having two carbon atoms, one boron atom and two oxygen atoms; any derivative of this compound
n
(chemistry) Any of a class of six-membered, saturated heterocycles having four carbon atoms and two oxygen atoms in the ring.
n
(chemistry) An organic compound formally derived from a dioxane by replacing a methylene group with a carbonyl group
n
(organic chemistry) Any of a class of heterocycle having a four-membered ring with two carbon atoms and two oxygen atoms
n
(organic chemistry) An unsaturated heterocycle that has two carbon atoms, two oxygen atoms and two double bonds
n
(countable, organic chemistry) The unsaturated six-membered heterocycle having four carbon atoms, two oxygen atoms, and two double bonds (molecular formula C₄H₄O₂); 1,2-dioxin and 1,4-dioxin.
n
(organic chemistry) Any of four isomeric, saturated, eight-membered heterocycles having six carbon atoms and two oxygen atoms
n
(organic chemistry) Any heterocycle having a five-membered ring with three carbon atoms and two oxygen atoms
n
(organic chemistry) An unsaturated six-membered heterocycle containing four carbon atoms, two phosphorus atoms and three double bonds.
n
(organic chemistry) Either of two isomeric unsaturated five-membered heterocycles containing three carbon atoms, two sulfur atoms and one double bond
n
(organic chemistry) The dimeric carboxylic acid 5-[(3-carboxylato-4-nitrophenyl)disulfanyl]-2-nitrobenzoic acid that is a reagent for the determination of reactive sulfhydryl groups in proteins
n
(organic chemistry) A ring of atoms joining parts of an already cyclic compound
n
(organic chemistry) Any closed-cage compound having twenty or more carbon atoms consisting entirely of 3-coordinate carbon atoms.
adj
(organic chemistry) related to, or based on the structure of furan
v
(organic chemistry) To form a bicyclic compound from two similar or different types of ring such that two or more atoms are shared between the resulting rings
n
(organic chemistry) Any atrane having germanium as the heteroatom
n
(organic chemistry) Any tricyclic heterocycle
n
(organic chemistry) Any derivative of cyclohexene in which six hydrogen atoms have been replaced by chlorine
n
(organic chemistry) A crystalline compound C₆H₁₂N₄ used especially as an accelerator in vulcanizing rubber.
n
(inorganic chemistry) The allotrope of nitrogen (N₆) composed of a ring of six atoms
n
(inorganic chemistry) Any inorganic compound based on a ring of three or more atoms of the same element
n
(organic chemistry) A heterocycle 1,4-diazacycloheptane formally derived from a piperazine by introduction of a methylene group in the ring
n
(organic chemistry) Any hydroxy derivative of a nitrile, but especially one in which the hydroxy group is on the α-carbon atom
n
(organic chemistry) A saturated heterocycle containing three carbon atoms and two nitrogen atoms; any of its derivatives
n
(chemistry) An organoiodine compound related to periodinane.
n
(organic chemistry) A five-membered saturated heterocycle containing three carbon atoms, an oxygen atom and a hypervalent iodine atom; its derivatives (especially the benziodoxols) are used as pharmaceuticals etc
n
(organic chemistry) An oxygenated iodo derivative of benzoic acid that has a cyclic structure; it is a powerful oxidizing agent
n
(organic chemistry) The heterocycle formally derived from isoindole by replacing the nitrogen atom with one or arsenic
n
(organic chemistry) A heterocycle formally derived from isoindole by replacing the nitrogen atom with phosphorus
n
(organic chemistry) The isomer of thiourea, NH₂-C(=NH)-SH, known only as substituted derivatives
n
(organic chemistry) A five-membered unsaturated heterocycle containing three carbon atoms, one nitrogen and oxygen atoms (adjacent) and a carbon-nitrogen double bond
n
(organic chemistry) Any monochloro derivative of a phenol
n
(organic chemistry, especially in combination) A single phenyl group in a molecule
n
(organic chemistry) A six-membered, saturated heterocycle tetrahydro-1,4-oxazine containing four carbon atoms, one nitrogen and one oxygen atom; it has a number of industrial applications.
n
(organic chemistry) Any of a class of mesoionic 1,3-oxazoles having an oxygen atom attached to position 5
n
(organic chemistry) Either of two isomeric carboxylic acids, analogous to benzoic acid, derived from naphthalene
n
(organic chemistry) A colourless liquid prepared using the action of diiodomethane and a zinc-copper couple on cyclohexene in diethyl ether.
n
(organic chemistry) The imino pyridine derivative N-octyl-1-[10-(4-octyliminopyridin-1-yl)decyl]pyridin-4-imine
adj
(organic chemistry) Describing a compound having a short chain of linked cyclopropane rings
n
(organic chemistry) A bicyclic heterocycle composed of a cycloheptene ring attached to an oxacycloheptene ring by a single bond
adj
(organic chemistry) Describing any heterocycle having one or more oxygen atoms in the ring
n
(organic chemistry) A six-membered saturated heterocycle containing three carbon atoms, two nitrogen atoms and one oxygen atom; any derivative of this compound
n
(organic chemistry) An unsaturated six-membered heterocycle having three carbon atoms, one oxygen atom, two nitrogen atoms and two double bonds
n
(organic chemistry) Any five-membered heterocycle having two carbon atoms, two nitrogen atoms, one oxygen atom, and two double bonds
n
(organic chemistry) Tetrahydropyran.
n
(organic chemistry) Any of several oxygen-containing heterocycles derived from norbornene, especially those that are used to make polymers
n
(organic chemistry) The six-membered unsaturated heterocycle containing four carbon atoms, one oxygen atom, one phosphorus atom and two double bonds
n
(organic chemistry) The unsaturated five-membered heterocycle having three carbon atoms, one oxygen atom, one phosphorus atom and two double bonds.
n
(organic chemistry) Any of three isomeric six-membered saturated heterocycles containing four carbon atoms, one oxygen and one sulfur atom
n
(organic chemistry) A six-membered unsaturated heterocycle containing three carbon atoms (one of them as a carbonyl group) and one each of nitrogen, oxygen and sulfur
n
(organic chemistry) The unsaturated five-membered heterocycle having two carbon atoms, one oxygen atom, one sulfur atom, one nitrogen atom and one double bond
n
(organic chemistry) A five-membered, saturated heterocycle having two carbon atoms, and one each of nitrogen, sulfur and oxygen; any derivative of this compound
n
(organic chemistry) A six-membered, unsaturated heterocycle containing four carbon atoms, one sulfur and one oxygen atom and two double bonds, but especially 1,4-oxathiin
n
(organic chemistry) A five-membered saturated heterocycle having a three carbon atoms, one oxygen atom and one sulfur atom
n
(organic chemistry) An unsaturated five-membered heterocycle having three carbon atoms, one oxygen atom, one sulfur atom and one double bond
n
(organic chemistry) Any five-membered heterocycle having one carbon atom, three nitrogen atoms, one oxygen atom, and two double bonds
n
(organic chemistry) Any tricyclic heterocycle containing oxygen as a heteroatom
n
(organic chemistry) Any of a class of five-membered, saturated heterocycles containing two carbon atoms, a nitrogen, boron and oxygen atom
n
(organic chemistry) A saturated five-membered heterocycle having two carbon atoms, and one each of oxygen, nitrogen and phosphorus
n
(organic chemistry) Any saturated six-membered heterocycle containing three carbon atoms and one each of oxygen, nitrogen and phosphorus, especially one in which the phosphorus atom is linked to both the nitrogen and oxygen atoms
n
(organic chemistry) Any unsaturated six-membered heterocycle containing four carbon atoms, one oxygen, one nitrogen atom and two double bonds
n
(organic chemistry) A three-membered saturated heterocycle having one carbon, one nitrogen and one oxygen atoms
n
(organic chemistry) A saturated eight-membered heterocycle containing six carbon atoms, one nitrogen atom and one oxygen atom
n
(organic chemistry) An eight-membered, unsaturated heterocycle containing six carbon atoms, one oxygen and one nitrogen atom, and three double bonds, but especially 1,3-oxazocine and 1,4-oxazocine
n
(organic chemistry) A saturated heterocycle containing three carbon atoms and one nitrogen and one oxygen atom; any of its derivatives.
n
(organic chemistry) An unsaturated heterocyclic compound containing a five-membered ring, one double bond, one nitrogen and one oxygen atom; any derivative of this compound
n
(organic chemistry) A five-membered heterocycle containing three carbon atoms, one nitrogen atom, one oxygen atom, a carbonyl group and a double bond
n
(organic chemistry) Either of two isomeric, six-membered heterocycles containing one oxygen atom and one double bond
n
(organic chemistry) The unsaturated seven-membered heterocycle containing six carbon atoms, one oxygen atom and three double bonds; it is tautomeric with the epoxide benzene oxide
n
(organic chemistry) An unsaturated seven-membered heterocycle having six carbon atoms, one oxygen atom and three double bonds
n
(organic chemistry) Any ketone derived from oxepine
n
(chemistry) Any of a class of heterocyclic compounds having a four-membered ring containing 3 carbon atoms and 1 oxygen atom; the parent compound C₃H₆O.
n
(organic chemistry) A three-membered heterocycle having two carbon atoms and one oxygen atom; ethylene oxide
n
(organic chemistry) The unsaturated three-membered heterocycle having two carbon atoms, one oxygen atom and one double bond
n
(organic chemistry) A saturated, four-membered heterocycle containing two carbon atoms, one oxygen atom and one nitrogen atom; any derivative of this compound
n
(organic chemistry) A saturated eight-membered heterocycle having seven carbon atoms and one oxygen atom
n
(organic chemistry) An unsaturated eight-membered heterocycle having seven carbon atoms, one oxygen atom and three double bonds
n
(organic chemistry) furan
n
(organic chemistry) A saturated heterocycle that has eight carbon atoms and an oxygen atom
n
(organic chemistry) Alternative form of oxathiazolidine [(organic chemistry) A five-membered, saturated heterocycle having two carbon atoms, and one each of nitrogen, sulfur and oxygen; any derivative of this compound]
n
(chemistry) Any of three hydroxy derivatives of toluene.
n
(chemistry) any of a class of heterocycles, containing two carbon atoms (in positions 3 and 5) and three oxygen atoms (in positions 1, 2 and 4) produced by the reaction of ozone with a carbon to carbon double bond; the 1,2,4-trioxolanes
n
(organic chemistry) Any macrocycle that has five nitrogen atoms in the ring
n
(organic chemistry) An oligomer of thiophene (containing five units) that is used to image protein aggregates
n
(organic chemistry) pentaerythritol tetranitrate
n
(chemistry, obsolete) Benzene.
n
(organic chemistry) A tricyclic heterocycle consisting of two benzene rings fused to oxathiine
n
(organic chemistry) The six-membered aromatic heterocycle containing four carbon atoms, one nitrogen atom and one phosphorus atom
n
(organic chemistry) A seven-membered unsaturated heterocycle containing six carbon atoms, one phosphorus atom and three double bonds; any derivative of this compound
n
(organic chemistry) An unsaturated heterocycle that has two carbon atoms, a phosphorus atom and a double bond
n
(organic chemistry) The unsaturated five-membered heterocycle having four carbon atoms, one phosphorus atom and two double bonds; an analogue of pyrrole
n
(organic chemistry, especially in combination) Any radical or cation derived from piperazine
n
(chemistry) Any derivative of piperidine with two ketone functional groups.
n
(organic chemistry) Any of a range of compounds manufactured by treating naphthalene with chlorine; they have a variety of properties and uses.
n
(chemistry) Any polycyclic saturated hydrocarbon consisting of fused five-membered rings.
n
(organic chemistry) A bicyclic aromatic heterocycle consisting of fused pyrimidine and pyrazine rings
n
(organic chemistry) A saturated five-membered heterocycle containing three carbon atoms and two nitrogen atoms
n
(organic chemistry) A five-membered heterocycle containing three carbon atoms, two adjacent nitrogen atoms and one double bond
n
A liquid bicyclic unsaturated terpene hydrocarbon which is found usually in savin oil. It is the isomer of thujene containing a double bond outside the rings.
n
(organic chemistry) An oligomer composed of six thiophene residues; it is an organic semiconductor
n
(organic chemistry) The compound 2-(chloroamino)ethanesulfonic acid formed by metabolism of taurine
n
(organic chemistry) A saturated heterocycle that has five carbon atoms, one tellurium atom and two double bonds
n
(organic chemistry) The unsaturated nitrile (N≡C)₂C=C(C≡N)₂ used in the manufacture of dyes
n
(organic chemistry) A heterocyclic ether having a five-membered ring with four carbon atoms and one oxygen; it is a colourless liquid with an ether-like smell, and is used as a polar solvent.
n
(organic chemistry) The chemical compound C₁₃H₁₆N₂O.
n
(organic chemistry) Any bicyclic hydrocarbon formally derived from naphthalene by the addition of four hydrogen atoms across two of its double bonds, but especially 1,2,3,4-tetrahydronaphthalene (tetralin).
n
(organic chemistry) Any tetrahydro derivative of triazine but especially 1,2,3,4-tetrahydrotriazine
n
(organic chemistry) A six-membered saturated heterocycle having two carbon atoms and four oxygen atoms; especially the isomer having two peroxide groups (as in the acetone peroxide dimer)
n
(organic chemistry) A dark purple to black crystalline solid having four phenyl rings that are rotated out of the plane compared to the central ring because of steric repulsion.
n
(organic chemistry) Any six-membered heterocycle having two carbon atoms, four nitrogen atoms and three double bonds
n
(organic chemistry) A hydrocarbon obtained from coal tar residues, remarkable for its intense yellowish-green fluorescence.
n
(organic chemistry) Any of several analogs of calixarenes in which benzene rigs are connected by sulfur bridges.
n
(organic chemistry) Any of several isomeric seven-membered, unsaturated heterocycles containing four carbon atoms, two nitrogen atoms, one sulfur atom and three double bonds
n
(organic chemistry) A six-membered heterocycle having three carbon atoms, one sulfur atom, two nitrogen atoms and two double bonds
n
(organic chemistry) A five-membered unsaturated heterocycle containing two carbon atoms, one sulfur atom, two nitrogen atoms and one double bond; any derivative of this compound
n
(organic chemistry) Any of several isomeric five-membered heterocycles having two carbon atoms, two nitrogen atoms, one sulfur atom and two double bonds
n
(organic chemistry) Any of several isomeric five-membered heterocycles having two carbon atoms, two nitrogen atoms, one sulfur atom and one double bond
n
(organic chemistry) A heterocyclic base 5,6-dihydro-2,4,6-trimethyl-4H-1,3,5-dithiazine, that occurs in the aroma of cooked meat.
n
Alternative form of thionaphthene [(organic chemistry) A two-ringed aromatic heterocycle consisting of a benzene ring fused to one of thiophene; any derivative of this compound]
n
(organic chemistry) A saturated six-membered heterocycle containing five carbon atoms and one sulfur atom
n
(organic chemistry) Any of several isomeric five-membered heterocycles having one carbon atoms, three nitrogen atoms, one sulfur atom and one double bond
n
(organic chemistry) A seven-membered unsaturated heterocycle containing five carbon atoms, one nitrogen and one sulfur atom and three double bonds
n
Alternative form of thiazine [(organic chemistry) A six-membered heterocycle containing four carbon atoms, one nitrogen and one sulfur atom, and two double bonds.]
n
(organic chemistry) Any of a class of unsaturated heterocyclic compounds containing a ring of three carbon atoms, a sulphur and an nitrogen atom; especially the simplest one, C₃H₃SN
n
(organic chemistry) An unsaturated heterocyclic compound containing a five-membered ring, one double bond, one nitrogen and one sulfur atom; any derivative of this compound
n
(organic chemistry, in combination) thiophene group in fused heterocycles organic chemistry nomenclature.
n
(organic chemistry) A five-membered heterocycle containing two double bonds and one sulfur atom
n
(organic chemistry) A saturated seven-membered heterocycle having six carbon atoms and one sulfur atom.
n
Alternative form of thiepine [(organic chemistry) An unsaturated seven-membered heterocycle having six carbon atoms, one sulfur atom and three double bonds]
n
(organic chemistry) An unsaturated seven-membered heterocycle having six carbon atoms, one sulfur atom and three double bonds
n
(organic chemistry) The unsaturated three-membered heterocycle containing two carbon atoms, one sulfur atom and a double bond.
n
(organic chemistry) A derivative of adenosine in which one of the ribose hydroxyls is replaced by a thiol group
n
(organic chemistry) An alkyne with is also a thioether.
n
(organic chemistry) Any aminal that has one or more sulfur atoms
n
Alternative form of thioanisole [(organic chemistry) The aromatic thioether methyl phenyl sulfide; it is used in organic synthesis; and derivative of this compound]
n
(organic chemistry) The aromatic thioether methyl phenyl sulfide; it is used in organic synthesis; and derivative of this compound
n
(organic chemistry) 1,4-benzothiopyrone, a derivative of benzopyran with a substituted keto group on the thiopyran ring.
n
(organic chemistry) The aromatic heterocyclic thiol 1,3,5-triazine-2,4,6-trithiol
n
(organic chemistry) A derivative of inosine in which the carbonyl group of the hypoxanthine ring is replaced by a thiocarbonyl group
n
(organic chemistry) A two-ringed aromatic heterocycle consisting of a benzene ring fused to one of thiophene; any derivative of this compound
n
(organic chemistry) A derivative of a thiophene that has a carbonyl group substituted for a methylene group
n
(organic chemistry) A yellow liquid with chemical formula CSCl₂, used in organic synthesis.
n
(chemistry) A double thiophene nucleus, C₆H₄S₂, analogous to thionaphthene, and the base of a large series of compounds.
n
(organic chemistry) An analogue of a semicarbazone that contains a sulfur atom in place of the oxygen atom.
n
(organic chemistry) A polycyclic aromatic compound consisting of a thiophene ring fused to tetracene
n
(organic chemistry) The saturated heterocycle that has four methylene groups, one sulfur atom and one oxygen atom
n
(organic chemistry) The tricyclic heterocycle (sulfur analogue of xanthene) consisting of two benzene rings fused to that of thiopyran
n
(chemistry) Any of three possible metameric substances that are dimethyl derivatives of thiophene, like the xylenes from benzene.
n
(organic chemistry) A heterocyclic diamine derivative of dithiazole, obtained from dithiobiuret.
n
(organic chemistry) A saturated heterocycle that has six carbon atoms and three nitrogen atoms, but especially 1,4,7-triazacyclononane
n
(chemistry) The nitrogen compound NH₂N=NH, or any of its hydrocarbyl derivatives.
n
(chemistry) Any compound containing three azide groups
n
(organic chemistry) A five-membered unsaturated heterocyclic ketone having three nitrogen atoms, one double bond and a carbonyl group
n
(organic chemistry) An organic compound used in buffer solutions.
n
(organic chemistry) Synonym of isobutane
n
(organic chemistry) 1,3,5-Triazido-2,4,6-trinitrobenzene, an aromatic high explosive composed of a benzene ring with three azido groups and three nitro groups alternating around the ring.
n
(organic chemistry) Either of two isomeric unsaturated organic heterocycles that have two carbon atoms, three phosphorus atoms and two double bonds
n
(organic chemistry) The branched hydrocarbon 2,2,3-trimethylbutane
n
(organic chemistry) A chemical compound containing six methyl groups attached to a 1,3,5-trithiane ring used as a flavouring agent; also known as 2,2,4,4,6,6-hexamethyl-1,3,5-trithiane.
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