In organometallic chemistry, metal–halogen exchange is a fundamental reaction that converts an organic halide into an organometallic product. The reaction...

+ NaH → CH3SOCH− 2Na+ + H2 Trityl sodium can be prepared by sodium-halogen exchange: Ph3CCl + 2 Na → Ph3C− Na+ + NaCl Sodium also reacts with polycyclic...

"Preparation of t-Butyl-3-Bromo-5-Formylbenzoate Through Selective Metal-Halogen Exchange Reactions". Organic Syntheses. 89: 460. doi:10.15227/orgsyn.089...

limited due to competing side reactions such as radical reactions or metal–halogen exchange. Most organolithium reagents used in alkylations are more stabilized...

compounds through metal-halogen exchange.: 106  Unlike the organolithium compounds, the organometallic compounds of the heavier alkali metals are predominantly...

replacing the proton. 2-Lithiothiazoles are also generated by metal-halogen exchange from 2-bromothiazole. Electrophilic aromatic substitution at C5...

aside from the use of metal acetylides as nucleophiles, such a process rarely works well in practice due to metal–halogen exchange and/or the formation...

the Alkali Metals: Useful Synthetic Reagents as Strong Bases and Potent Nucleophiles. 1. Conversion of Organic Halides to Organoalkali-Metal Compounds"...

Metal halides are compounds between metals and halogens. Some, such as sodium chloride are ionic, while others are covalently bonded. A few metal halides...

with metals, generally lithium or magnesium, to give organometallic derivatives that function as sources of aryl anions. By the metal–halogen exchange reaction...

undergo metal-halogen exchange and then eliminate a lithium salt: R2CBr2 + BuLi → R2CLi(Br) + BuBr R2CLi(Br) → R2C + LiBr Zinc metal abstracts halogens similarly...

synthesised via a much more controllable (and cheaper) route, via metal-halogen exchange and then metathesis: Br(CH2)3Br + 2 tBuLi → Li(CH2)3Li + 2 tBuBr...

representative of reductive coupling. The reaction proceeds by an initial metal–halogen exchange, which is described with the following idealized stoichiometry:...

A metal (from Ancient Greek μέταλλον (métallon) 'mine, quarry, metal') is a material that, when polished or fractured, shows a lustrous appearance, and...

"Preparation of t-Butyl-3-Bromo-5-Formylbenzoate Through Selective Metal-Halogen Exchange Reactions". Organic Syntheses. 89: 460. doi:10.15227/orgsyn.089...

products of the corresponding halogen–lithium exchanges (C4H9Br or C4H9Cl). Other metals and metalloids which undergo such exchange reactions are organic compounds...

with a reducing metal, such as sodium or magnesium, or with an organolithium reagent. Either approach results in metal-halogen exchange to convert the...

interest in organic synthesis, electropositive metals react with many organic halides in a metal-halogen exchange: RX + 2 M → RM + MX The resulting organometallic...

perform nucleophilic addition, substitution, transmetalation, and metal-halogen exchange reactions. The first crystal structure of Grignard reagents was...

post-transition metals, poor metals, other metals, p-block metals, basic metals, and chemically weak metals. The most common name, post-transition metals, is generally...

chemical terms, all of the alkaline earth metals react with the halogens to form the alkaline earth metal halides, all of which are ionic crystalline...

and aryls from metallic lithium and halogenated hydrocarbons via metal–halogen exchange. This convenient synthesis spurred numerous studies of RLi reagents...

coordinate ligands other than halogens to the metal: 2 U + 3 (C5H5)2Hg + HgCl2 → 2 (C5H5)3UCl + 4 Hg Alkaline earth metal complexes have been synthesized...

Transition metals in the periodic table In chemistry, a transition metal (or transition element) is a chemical element in the d-block of the periodic...

less reactive halogen cannot replace the more reactive halogen: I 2 + 2 KBr ⟶ {\displaystyle {\ce {I2 + 2KBr ->}}} no reaction Metals react with acids...

behaviors which are unexpected for metals. In aurides (MAu, where M = Li–Cs), gold's behavior is similar to that of a halogen. The reason for this is that gold...

2 Li → Ph−Li + LiX Phenyllithium can also be synthesized with a metal-halogen exchange reaction: n-BuLi + Ph−X → n-BuX + Ph−Li The predominant method of...

tetrabromide at 370 °C to form niobium(V) bromide. Another method is halogen exchange in the presence of excess "halogenating reagent", for example: FeCl3...

replacement of a halogen atom in an organic molecule with a metal atom, resulting in an organometallic compound. In the laboratory, metalation is commonly...

bonds are cleaved by halogens. Depending on the electron-counting scheme used, this can be regarded as an oxidation of the metal atoms: Mn2(CO)10 + Cl2...