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These conditions lead to the anti-Markovnikov addition, i.e. give the 1-bromo derivatives. [2] 1-Bromobutane can also be prepared from butanol by treatment with hydrobromic acid: [3] CH 3 (CH 2) 3 OH + HBr → CH 3 (CH 2) 3 Br + H 2 O
The OH→Br conversion has been described. [5] Electrophilic attack occurs characteristically at the 1-position as indicated by nitrosylation to give 1-nitroso-2-naphthol. [6] Bromination [7] and alkylations proceed with similar regiochemistry. [8] Ring-opening reactions have been documented. [9] Carbonation of 2-naphthol gives 2-hydroxy-1 ...
ISO 18265: "Metallic materials — Conversion of hardness values" (2013) ASTM E140-12B(2019)e1: "Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness" (2019)
The conversion of o-toluidine to the diazonium salt gives access to the 2-bromo, 2-cyano-, and 2-chlorotoluene derivatives. [ 3 ] [ 4 ] [ 5 ] N-acetylation is also demonstrated. [ 6 ]
Bromothymol blue (also known as bromothymol sulfone phthalein and BTB) is a pH indicator.It is mostly used in applications that require measuring substances that would have a relatively neutral pH (near 7).
These conditions lead to anti-Markovnikov addition, giving the 1-bromo derivative. [2] 1-Bromododecane can also be prepared by treating dodecanol with hydrobromic acid and sulfuric acid. [3] CH 3 (CH 2) 11 OH + HBr → CH 3 (CH 2) 11 Br + H 2 O
tert-Butyl bromide (also referred to as 2-bromo-2-methylpropane) is an organic compound with the formula Me 3 CBr (Me = methyl). The molecule features a tert-butyl group attached to a bromide substituent. This organobromine compound is used as a standard reagent in synthetic organic chemistry. It is a colorless liquid.
An example involves the conversion of the ethyl ester of 5-bromovaleric acid to the iodide: [4] EtO 2 C(CH 2) 4 Br + NaI → EtO 2 C(CH 2) 4 I + NaBr. Potassium fluoride is used for the conversion of chlorocarbons into fluorocarbons. [5] Such reactions usually employ polar solvents such as dimethyl formamide, ethylene glycol, and dimethyl ...