In organic chemistry, the diazo group is an organic moiety consisting of two linked nitrogen atoms at the terminal position. Overall charge-neutral organic...
13 KB (1,439 words) - 01:23, 17 July 2024
Whiteprint (redirect from Diazo prints)
Whiteprint describes a document reproduction produced by using the diazo chemical process. It is also known as the blue-line process since the result...
8 KB (1,192 words) - 13:11, 19 November 2023
Heliographic copier (redirect from Diazo copier)
technique, which was the previous process for obtaining blueprints, When the diazo based compounds changed the background color to white, in technical environments...
10 KB (1,164 words) - 01:38, 29 March 2024
Strange World (film) (redirect from Diazo (Strange World))
Meridian are Pando farmers, while their son, Ethan, has a crush on his friend Diazo and chafes at his father's expectation of becoming a farmer like him. One...
62 KB (5,629 words) - 09:06, 7 August 2024
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...
36 KB (4,578 words) - 15:22, 15 August 2024
Diazonium compound (redirect from Diazo process)
NaCl An alternative way suggested by Baeyer & Pfitzinger is to replace the diazo group with H is: first to convert it into hydrazine by treating with SnCl2...
32 KB (3,276 words) - 15:28, 15 August 2024
Diazodinitrophenol (redirect from Diazo dinitro phenol)
Diazodinitrophenol (DDNP) was the first diazo compound produced; it was subsequently used to make dyes and explosives. It forms yellow crystals in pure...
6 KB (575 words) - 19:07, 17 January 2024
6-Diazo-5-oxo-L-norleucine (DON) is a glutamine antagonist, which was isolated originally from Streptomyces in a sample of Peruvian soil. This diazo compound...
11 KB (990 words) - 00:13, 10 August 2024
Diazo, previously named xdv, is a general-purpose, open source website theming tool. It is written in Python and generates XSLT. Diazo creates a separation...
5 KB (553 words) - 05:25, 30 August 2022
Cyclopropanation (section Using diazo compounds)
zinc‑copper couple for diethylzinc. Asymmetric versions are known. Certain diazo compounds, such as diazomethane, can react with olefins to produce cyclopropanes...
14 KB (1,504 words) - 19:07, 5 July 2024
could not be reproduced. The process is obsolete, largely displaced by the diazo-based whiteprint process, and later by large-format xerographic photocopiers...
12 KB (1,313 words) - 14:02, 21 July 2024
Barton–Kellogg reaction (redirect from Diazo-thioketone coupling)
The Barton–Kellogg reaction is a coupling reaction between a diazo compound and a thioketone, giving an alkene by way of an episulfide intermediate.[1][2][3]...
5 KB (428 words) - 06:43, 29 December 2023
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...
2 KB (241 words) - 00:35, 5 February 2024
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...
49 KB (67 words) - 21:20, 2 April 2024
crosslinkers Oxidative damage Nitrous acid converts amine groups on A and C to diazo groups, altering their hydrogen bonding patterns, which leads to incorrect...
117 KB (13,924 words) - 09:15, 8 August 2024
he appeared in an episode of the Sky One sci-fi series Intergalactic as Diazo Chroma in 2021. The late martial arts superstar Bruce Lee has been the idol...
8 KB (588 words) - 09:31, 27 June 2024
using diazo compound paper is not currently registered as a trademark at least in the United States. OZALID as a mark for "machines for diazo type prints"...
4 KB (462 words) - 19:13, 30 March 2022
formation of the diazo compound 3. In protic solvents, the diazo compound 3 decomposes to the carbenium ion 5. In aprotic solvents, the diazo compound 3 decomposes...
14 KB (1,481 words) - 16:52, 26 October 2023
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...
11 KB (973 words) - 15:59, 23 July 2024
IBM microfilm products (category Diazo compounds)
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...
21 KB (2,415 words) - 21:33, 21 May 2024
use Plone. A major part of Plone is its use of skins and themes. Plone's Diazo theming engine can be used to customize a website's look. These themes are...
18 KB (1,576 words) - 19:17, 30 September 2023
in the Ginza area in Chūō. 1955: Ricoh made their first diazo copier. Ricopy 101 was a diazo wet copier for desktop blueprint duplication. The model received...
24 KB (2,588 words) - 12:23, 17 August 2024
Diazomethane (category Diazo compounds)
discovered by German chemist Hans von Pechmann in 1894. It is the simplest diazo compound. In the pure form at room temperature, it is an extremely sensitive...
18 KB (1,648 words) - 07:02, 27 July 2024
188702001368. Curtius T, Jay R (1889). "Diazo- und Azoverbindungen der Fettreihe. IV. Abhandlung. über das Hydrazin" [Diazo- and azo- compounds of alkanes. Fourth...
51 KB (5,273 words) - 06:02, 29 July 2024
boards. By the early 20th century, blueprinting (producing white lines) or diazo blue line printing used contact-rollers rather than flat-glass exposure...
10 KB (1,176 words) - 06:22, 6 December 2023
Nitroethane, Nitromethane, Nitropropane, Nitrostarch, Nitrourea DiNitro: Diazo dinitro phenol, Dinitrobenzene, Dinitroethylene urea, DNN, Dinitrophenol...
71 KB (8,212 words) - 01:11, 18 August 2024
of methanesulfonic acid. It is used as a reagent for the production of diazo compounds. Methanesulfonyl azide can be prepared from methanesulfonyl chloride...
6 KB (532 words) - 02:52, 5 August 2024
"Conjugated bilirubin" Yes (bound to glucuronic acid) Reacts quickly when dyes (diazo reagent) are added to the blood specimen to produce azobilirubin "Direct...
52 KB (5,350 words) - 20:28, 14 August 2024
chlorides. A diazo group transfer method can be used to produce α,β-unsaturated ketones. The traditional method of the deformylative diazo transfer approach...
19 KB (2,079 words) - 10:35, 12 August 2024