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*  Azobenzene reductase
H to reduce one equivalent of the azo compound substrate (for example methyl red where Ar = p-dimethylaniline and Ar' = o- ... Other names in common use include: azo reductase, azoreductase, azo-dye reductase, dibromopropylaminophenylazobenzoic ... B29 has the ability to reduce sulfonated azo dyes however. The systematic name of this enzyme class is N,N-dimethyl-1,4- ... This enzyme belongs to the family of oxidoreductases, specifically those acting on other nitrogenous compounds as donors with ...
*  Azo compound
The commercial success of azo dyes motivated the development of azo compounds in general. Aliphatic azo compounds (R and/or R ... Aryl azo compounds are usually stable, crystalline species. Azobenzene is the prototypical aromatic azo compound. It exists ... aliphatic) are less commonly encountered than the aryl azo compounds. A commercially important alkyl azo compound is ... Azo compounds are compounds bearing the functional group R−N=N−R′, in which R and R′ can be either aryl or alkyl. IUPAC defines ...
*  Food coloring
Food portal Azo compound Acid dye E number Federal Food, Drug, and Cosmetic Act Food additive Ian P. Freeman, "Margarines and ... Red colors are often azo compounds. The pair indigo and indigo carmine exhibit the same blue color, but the former is soluble ... Diazo dyes are prepared by coupling of a diazonium compound with a second aromatic hydrocarbons. The resulting compounds ... The color of the dyes can be controlled by selecting the number of azo-groups and various substituents. Yellow shades are often ...
*  Diphenylzinc
Direct Formation of cis-Azo Compounds". J. Org. Chem. 26 (6): 1764. doi:10.1021/jo01065a017. Markies, P; Schat, Gerrit; ... Diphenylzinc is an organozinc compound. It is commonly used as the synthetic equivalent of a Ph− synthon. Solvent-free ... "Coordinational behavior of solvent-free diorganylzinc compounds: the remarkable x-ray structure of dimeric diphenylzinc". ...
*  Tissue paper
ISBN 952-5216-18-7. Azo compounds#European regulation Gardiner, Bryan (15 September 2010). "Yamaha's NS-10: The Most Important ... when used as a wrapper for food as a result of degradation of Azo compounds used as paper dyes. In the late 1970s and early ...
*  2,2'-Azobis(2-amidinopropane) dihydrochloride
It is a free radical-generating azo compound. It is gaining prominence as a model oxidant in small molecule and protein ... 2,2'-Azobis(2-amidinopropane) dihydrochloride (AAPH) is a chemical compound used to study the chemistry of the oxidation of ... Antioxidant activity of phenolic compounds in 2,2′-azobis (2-amidinopropane) dihydrochloride (AAPH)-induced oxidation: ...
*  Radical (chemistry)
... is a chemical compound used to study the chemistry of the oxidation of drugs. It is a free radical-generating azo compound. It ... Persistent radical compounds are those whose longevity is due to steric crowding around the radical center, which makes it ... For example, the reactivity of nucleophilic ions with α,β-unsaturated compounds (C=C-C=O) is directed by the electron- ... They also play a key role in the intermediary metabolism of various biological compounds. Such radicals can even be messengers ...
*  Whiteprint
Azo compound Blueprint Ozalid Heliographic copier Blueprints replaced by whiteprints. ... There are two components in this process: diazonium salt: a light sensitive chemical Azo dye (also known as the coupler): a ...
*  Photolith film
Azo compound Contact copier Ozalid Diazo copier Photolith dictionary definition. ...
*  Azobenzene
It is the simplest example of an aryl azo compound. The term 'azobenzene' or simply 'azo' is often used to refer to a wide ... These azo compounds are considered as derivatives of diazene (diimide), and are sometimes referred to as 'diazenes'. The ... the "Gold Book") (1997). Online corrected version: (2009) "azo compounds". Mitscherlich, E. (1834), "Ueber das Stickstoffbenzid ... Azo isomerization can also be used to photo-switch the liquid crystal phase of a material from cholesteric to nematic or to ...
*  Molecular machine
Azo compounds perform Cis-trans isomerism upon receiving UV-Vis light. The most complex molecular machines are proteins found ... "Design and synthesis of Ʌ-shaped photoswitchable compounds employing Tröger's base scaffold". Synthesis. 49 (6): 1214-1222. ...
*  Pigment Yellow 12
... is an organic compound and an azo compound. It is a widely used yellow pigment. It is also classified as a ...
*  Photoswitch
Azo compounds can isomerize by absorbing a particular wavelength of light. This photoisomerization transforms the azo group ... Novel azo carrying molecules are introduced as molecular hinges which can be used in the design of molecular machines and ... Design and synthesis of Ʌ-shaped photoswitchable compounds employing Tröger's base scaffold. Synthesis 2017, 49 (6), 1214-1222 ... photochromic compounds, azobenzenes, spiropyrans, diarylethenes, fulgides, overcrowded alkenes. ...
*  Electrophilic amination
The chiral auxiliaries on these compounds are easily removed after hydrazine formation (with azo compounds) or azidation (with ... Azo compounds afford hydrazines after addition to the N=N bond. These additions have been rendered enantioselective through the ... Tosylamines: tributyltin hydride Azo compounds: H2/Pd Triazenes: sodium borohydride Azides: H2/Pd, H2/Pt, lithium aluminum ... Addition reactions have employed imines, oximes, azides, azo compounds, and others. A nitrogen bound to both a good electrofuge ...
*  Prismane
... the azo compound (5) could be crystallized with 65% yield. The last step is a photolysis of the azo compound. This photolysis ... Albert Ladenburg proposed this structure for the compound now known as benzene. The compound was not synthesized until 1973. In ... The compound is explosive, which is unusual for a hydrocarbon. Due to this ring strain, the bonds have a low bond energy and ... atoms of the prismane molecule are arranged in the shape of a six-atom triangular prism-this compound is the parent and ...
*  Heliographic copier
Azo compound Blueprint Ozalid Contact copier League of Nations (1937). Economic Committee: Sub-committee of Experts for the ... Using the right compound some "cyano copiers" could be adapted to be used as "diazo copiers". The light sensitivity of certain ... In this procedure a distinctly blue compound is formed and the process is also known as cyanotype. The paper is impregnated ... Different blueprint processes based on photosensitive ferric compounds have been used. The best known is probably a process ...
*  Radical polymerization
... and azo compounds. Photoinitiation can also occur by bi-molecular H abstraction when the radical is in its lowest triplet ... This method is used most often with organic peroxides or azo compounds. Photolysis Radiation cleaves a bond homolytically, ...
*  Radical initiator
Azo compounds (R-N=N-R') can be the precursor of two carbon-centered radicals (R• and R'•) and nitrogen gas upon heating and/or ... Some radical initiators such as azo compounds and peroxides are often unstable. They are often stored cold. March, Jerry (1985 ... Typical examples are halogen molecules, azo compounds, and organic and inorganic peroxides. Halogens undergo the homolytic ... "Peroxo Compounds, Inorganic", Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, doi:10.1002/14356007.a19_177 ...
*  Götterspeise
... is usually coloured with artificial food colouring, azo compounds often being used. red colouring: Azorubine (E ...
*  Azo coupling
An azo coupling is an organic reaction between a diazonium compound and another aromatic compound that produces an azo compound ... Many are used as dyes (see azo dye). Important azo dyes include methyl red and pigment red 170. Azo coupling is also used to ... Consequently, aromatic azo compounds tend to be brightly colored due to the extended conjugated systems. ... Phenol reacts with benzenediazonium chloride to give a yellow-orange azo compound. The reaction is base-catalysed. The related ...
*  Diethyl azodicarboxylate
Safety hazards have resulted in rapid decline of DEAD usage and replacement with DIAD and other similar compounds. Diethyl azo ... the solubility in water is higher for the related azo compound dimethyl azodicarboxylate. DEAD is a strong electron acceptor ... The azo group in DEAD is a Michael acceptor. In the presence of a copper(II) catalyst, DEAD assists conversion of β-keto esters ... Its molecular structure consists of a central azo functional group, RN=NR, flanked by two ethyl ester groups. This orange-red ...
*  Diazonium compound
The resulting azo compounds are often useful dyes and in fact are called azo dyes. The deep colors of the dyes reflects their ... Diazonium compounds or diazonium salts are a group of organic compounds sharing a common functional group R−N+ 2X− where R can ... Diazonium compounds are standard reagents used in synthesis of organic compounds, especially aryl derivatives. Diazonium salts ... The most widely practiced reaction of diazonium salts is azo coupling. In this process, the diazonium compound is attacked by, ...
*  Sudan I
The Sudan dyes are a group of azo compounds which have been used to color hydrocarbon solvents, oils, fats, waxes, shoes, and ... results with 24 azo compounds. Mutation Research/Genetic Toxicology and Environmental Mutagenesis 2000, 465 (1), 11-26 Larsen, ... The EU azo Colorants Directive 2002/61/EC' has been replaced by the REACH regulation in 2009, when azo dyes where put on the ... A certificate for azo dyes exists to ensure that dyes that cleave to one of the forbidden amines are not being used for dyeing ...
*  Shewanella decolorationis
"Respiration and growth of Shewanella decolorationis S12 with an azo compound as the sole electron acceptor." Applied and ...
*  Azo violet
... (4-(4-nitrophenylazo)resorcinol) is a azo compound with the chemical formula C12H9N3O4. It is used commercially as a ... The para-position tautomerization of azo violet provides mechanical insight into the behavior of the compound in an acidic ... Azo violet's intense indigo color (λmax 432 nm) approximates Pantone R: 102 G: 15 B: 240. Azo violet can be synthesised by ... The chemical character of azo violet may be attributed to its azo group (-N=N-), six-membered rings, and hydroxyl side groups. ...
*  Radical substitution
... can be brought about by heat or ultraviolet light but also by radical initiators such as organic peroxides or azo compounds. UV ... generation of an alkyl radical from a carboxylic acid and a silver salt and subsequent substitution at an aromatic compound ...
*  Thiosulfoxide
Heating to 200 °C extrudes sulfur in this compound and forms the corresponding azo compound. Disulfur monoxide S=S=O is stable ... N-(Thiosulfinyl)amines of the type R-N=S=S are another group of stable compounds containing a S=S bond. The first such compound ... Many compounds containing a sulfur-sulfur double bond have been reported in the past although only a few verified classes of ... A thiosulfoxide is a chemical compound containing a sulfur to sulfur double bond of the type RR'S=S with R and R' both alkyl or ...