For a discussion of copiers using the diazo process, see whiteprint. For the software, see Diazo (software).
Diazo compounds have two main Lewis structures in resonance: R2>C-–N+≡N and R2>CH=N+=N-
In organic chemistry, the diazo group is an organic moiety consisting of two linked nitrogen atoms at the terminal position. Overall charge-neutral organic compounds containing the diazo group bound to a carbon atom are called diazo compounds or diazoalkanes[a] and are described by the general structural formula R2C=N+=N−. The simplest example of a diazo compound is diazomethane, CH2N2. Diazo compounds (R2C=N2) should not be confused with azo compounds (R−N=N−R) or with diazonium compounds (R−N+2).
Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).
In organic chemistry, the diazo group is an organic moiety consisting of two linked nitrogen atoms at the terminal position. Overall charge-neutral organic...
Whiteprint describes a document reproduction produced by using the diazo chemical process. It is also known as the blue-line process since the result...
methylene unit. Another common use is in ring-contraction methods; if the α-diazo ketone is cyclic, the Wolff rearrangement results in a ring-contracted product...
technique, which was the previous process for obtaining blueprints, When the diazo based compounds changed the background color to white, in technical environments...
nitrobenzenediazonium perchlorate, have been used to initiate explosives. DiazoDiazo printing process Benzenediazonium chloride Triazene cleavage Dinitrogen...
group but there are some that contain two or three azo groups, called "diazo dyes" and "triazo dyes" respectively. Azo dyes comprise 60-70% of all dyes...
Diazodinitrophenol (DDNP) was the first diazo compound produced; it was subsequently used to make dyes and explosives. It forms yellow crystals in pure...
zinc‑copper couple for diethylzinc. Asymmetric versions are known. Certain diazo compounds, such as diazomethane, can react with olefins to produce cyclopropanes...
could not be reproduced. The process is obsolete, largely displaced by the diazo whiteprint process, and later by large-format xerographic photocopiers....
to identify the type of jaundice. The serum of the patient is mixed with diazo reagent. If a red colour develops immediately it is called a direct positive...
Croceine scarlet Ponceau B Acid red 66 26905 diazo 4196-99-0 Bismarck brown R Vesuvine brown Basic brown 4 21010 diazo 8005-78-5 Bismarck brown Y Vesuvine BA...
Sudan III is a lysochrome (fat-soluble dye) diazo dye. It is structurally related to azobenzene. It is used to color nonpolar substances such as oils...
others, who obtained it by pyrolysis of 2,4,6-tris(diazo)cyclohexane-1,3,5-trione (C6N6O3).: 97 Diazo transfer can produce the latter compound from phloroglucinol...
Alizarine Yellow R is a yellow colored azo dye made by the diazo coupling reaction. It is usually commercially available as a sodium salt. In its pure...
the development of hundreds of synthetic dyes and pigments like azo and diazo compounds. These dyes ushered in the flourishing of organic chemistry, including...
and its alkene. A reoccurring substrate is a diazo compound and more specifically an alpha-carbonyl diazo compound. For example, ethyl diazoacetate is...
of microfilm with punched cards developed using a new style of diazo process. The diazo process is a photographic process that produces images by exposing...
Sudan Red 5B, C.I. 26125, C26H24N4O) is a lysochrome (fat-soluble dye) diazo dye used for staining of neutral triglycerides and lipids on frozen sections...
188702001368. Curtius T, Jay R (1889). "Diazo- und Azoverbindungen der Fettreihe. IV. Abhandlung. über das Hydrazin" [Diazo- and azo- compounds of alkanes. Fourth...
he appeared in an episode of the Sky One sci-fi series Intergalactic as Diazo Chroma. In 2024, he appeared as Cobra in the short film The Brothers Swap...
boards. By the early 20th century, blueprinting (producing white lines) or diazo blue line printing used contact-rollers rather than flat-glass exposure...
paper was key in creating drawings that could be copied precisely using the diazo copy process. It then found many other uses. The original use for drawing...
"Conjugated bilirubin" Yes (bound to glucuronic acid) Reacts quickly when dyes (diazo reagent) are added to the blood specimen to produce azobilirubin "Direct...
Global Information