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*  Ramberg-Bäcklund reaction
α-Halo sulfides may in turn be synthesized through the treatment of sulfides with halogen electrophiles such as N- ... is transferred to the halogen residing on the other α-position in a nucleophilic displacement temporarily forming a three- ... halogenation is done under basic conditions by use of dibromodifluoromethane for the halogen transfer step. [2] This method was ...
*  Tryptophan 7-halogenase
Multiple halogenations are prevented as the addition of a halogen atom to the substrate greatly increases its steric bulk, ... Prior to tryptophan 7-halogenase's discovery, it was thought that all halogen atoms in metabolites were incorporated by the ...
*  Polyhalogen ions
XYn + MYm → [XYn−1]+ + [MYm+1]− By an oxidative process, in which the halogen or interhalogen is reacted with an oxidizer and a ... Polyhalogen ions are a group of polyatomic cations and anions containing halogens only. The ions can be classified into two ... The polyhalogen ions always have the heaviest and least electronegative halogen present in the ion as the central atom, making ... In all known structures of the polyhalogen anion salts, the anions make very close contact, via halogen bridges, with the ...
*  Halogen
The symbol X is often used generically to refer to any halogen. The name "halogen" means "salt-producing". When halogens react ... Halogen lamps are a type of incandescent lamp using a tungsten filament in bulbs that have a small amounts of a halogen, such ... All of the halogens form acids when bonded to hydrogen. Most halogens are typically produced from minerals or salts. The middle ... The halogens tend to decrease in toxicity towards the heavier halogens. Fluorine gas is extremely toxic; breathing in fluorine ...
*  Halogen (album)
"Allmusic ((( Halogen Review )))". Allmusic. Retrieved March 25, 2015. Whitney, Jon. "Whitehouse, Never Forget Death/Halogen ... Halogen is the thirteenth studio album by power electronics band Whitehouse, released in April 1994 through their Susan Lawly ...
*  Halogen (disambiguation)
Halogen may also refer to: Halogen lamp, a type of incandescent light bulb Halogen oven, a type of cooker utilising halogen ... The halogens are a series of chemical elements. ... bulbs Halogen (band), an Australian musical group Halogen TV, ...
*  Halogen Communications
... works with clients in both the public and private sectors. Airbus Helicopters ASSC Frogmore Halogen ... Halogen Communications is an independent communications consultancy based in Edinburgh, Scotland with an international office ...
*  Halogen bond
... and X is the halogen atom involved in halogen bonding. Note the halogen bond donor accepts electrons while the halogen bond ... Although not as frequent as halogen-oxygen interactions, halogen-nitrogen and halogen-sulfur contacts were identified as well. ... If the halogen is bonded to an electronegative (electron withdrawing) moiety, it is more likely to form stronger halogen bonds ... Halogens participating in halogen bonding include: iodine (I), bromine (Br), chlorine (Cl), and sometimes fluorine (F). All ...
*  Halogen (band)
Halogen is a five-piece band from Perth, Western Australia. Formed in 1998 by two expatriate New Zealanders - Jasmine Yee and ... In addition to her work in Halogen, Yee has also undertaken a number of other collaborations include singing on the Pendulum ... The album was released on Karmic Hit in 2003 and the result was a brilliant, if somewhat eclectic, recording taking Halogen ... After self-releasing a debut EP titled Into the Crash Barrier in 1999, Halogen then gained national prominence in Australia ...
*  Halogen lamp
A halogen lamp, also known as a tungsten halogen, quartz-halogen or quartz iodine lamp, is an incandescent lamp consisting of a ... Halogen lamps are the heating-elements in halogen ovens. Banks of powerful tubular halogen lamps were used to simulate the heat ... Halogen Lamp Resources Halogen Lamp Resources Glass in Halogen Lamps. ... Halogen lamps were used for early flat-screen LCD backlighting, but other types of lamps are now used. Halogen lamps do not ...
*  Halogen acne
... is caused by iodides, bromides and fluorides (halogens) that induce an acneiform eruption similar to that observed ...
*  Halogen oven
A halogen oven, halogen convection oven, or halogen cooking pot is a type of oven that utilizes a halogen lamp as its heating ... We give halogen ovens a grilling Your Halogen Oven Guide Choosing Low Fat Fryers and Halogen Ovens. ... Halogen ovens are often noted for being more energy-efficient than a conventional oven due to their use of a halogen lamp ... Convective heat transfer Halogen lamp Oven Toaster oven Ehrlich, Richard (6 October 2010). "How I fell in love with halogen ...
*  Halogen TV
In December 2012, Halogen, along with the Documentary Channel, was acquired by Participant Media and re-branded as Pivot, a ... Halogen TV was an American digital cable and satellite television channel that aired feature-length films, documentaries, short ... Halogen TV, "Realscreen", December 17, 2012 Wake Up, Kids: Disruptive TV Is Here Via Participant Media's Pivot Cabler, Variety ...
*  Halogen Foundation (Singapore)
Retrieved Jun 9, 2008 some secondary references to the subject more generally • Halogen Foundation (Singapore) • Halogen ... Halogen Foundation (Singapore) is an Institute of Public Character and not-for-profit organization in Singapore whose mission ... Halogen Foundation was started in 1997 in Australia originally called the Young Leaders Foundation. Its hallmark program is the ... Halogen Foundation is endorsed by national leaders of the respective countries. Mr John Howard (Prime Minister of Australia), ...
*  Halogen addition reaction
A halogen addition reaction is a simple organic reaction where a halogen molecule is added to the carbon-carbon double bond of ... The general chemical formula of the halogen addition reaction is: C=C + X2 → X−C−C−X (X represents the halogens bromine or ... leaving each carbon atom with a halogen substituent. In this way the two halogens add in an anti addition fashion, and when the ... At this moment the halogen ion is called a "bromonium ion" or "chloronium ion", respectively. When the first bromine atom ...
*  Halogen dance rearrangement
The halogen dance rearrangement is an organic reaction in which a halogen substituent moves to a new position on an aromatic ... The halogen dance concept can be extended from benzene derivatives to other aromatic systems as well, for instance furan and ... The original halogen dance is the base-catalysed rearrangement of 1,2,4-tribromobenzene to 1,3,5-tribromobenzene in liquid ... The halogen dance rearrangement of iodooxazoles was studied by the Stambuli Group. Participation of oligochlorobenzenes in the ...
*  Carius halogen method
The Carius halogen method in analytical chemistry is a method for the quantitative determination of halogens in chemical ... The halogen present forms the corresponding silver halide (AgX). It is filtered, washed, dried and weighed. This chemical test ...
*  Low smoke zero halogen
... or low smoke free of halogen (LSZH or LSOH or LS0H or LSFH or OHLS) is a material classification ... When burned, a low-smoke zero halogen cable emits a less optically dense smoke that releases at a lower rate. During a fire, a ... Low smoke zero halogen cable considerably reduces the amount of toxic and corrosive gas emitted during combustion. ... Since the 1970s, the wire and cable industry has been using low-smoke, low-halogen materials in a number of applications. The ...
*  Origin and use of the term metalloid
halogens; III. metalloids ('resemble the metals in certain aspects, but are in others widely different'); and IV. metals. In ...
*  Nonmetal
They are further distinguished-in comparison to the halogens (F, Cl, Br, I, At) and noble gases-by their general capacity (or ... Electron affinities of the CHNOPS elements are -0.07 to +2.08 eV; halogens +2.8 to +3.4; noble gases -0.08 to -0.42 Phosphorus ... as they fall outside the halogens and noble gases. The first five of these (Se; B, Si, As, Te) differ from the organogens: none ... halogens; or noble gases; Government of Canada 2015; Gargaud et al. 2006, p. 447 Jorgensen 2012, p. 56 Chung 1987; Godfrin & ...
*  Hypobromite
Bromide: Br− Bromite: BrO− 2 Bromate: BrO− 3 Perbromate: BrO− 4 Kneen; Rogers; Simpson (1972). "The Halogens". Chemistry. Facts ...
*  Dichlorine heptoxide
1998). "Halogens and their compounds". Encyclopaedia of occupational health and safety (4th ed.). International Labour ...
*  Barbara J. Finlayson-Pitts
In another 2010 paper, Finlayson-Pitts detailed the role of halogens in reactions of the lower atmosphere. She said chlorine ... link) Finlayson-Pitts, Barbara J. (2010). "Halogens in the Troposphere". Analytical Chemistry. 82: 770-776. Perraud; et al. ( ...
*  Nickel tetracarbonyl
Other halogens behave analogously. This reaction provides a convenient method for destroying unwanted portions of the toxic ...
*  Ben Austin
"Halogen". www.halogen.org.au. Retrieved 2017-09-08. "Athlete Search Results". International Paralympic Committee. Retrieved 19 ...