tetraethylammonium bromide造句

• This is desirable because the tetraethylammonium bromide is often difficult to remove from reaction mixtures.
• This route avoids the formation of the tetraethylammonium bromide byproduct when the tetraethylammonium complex is used.
• Writing in 1950, Graham made some observations on the toxic effects of tetraethylammonium bromide in humans.
• Another research group, working at about the same time, but using tetraethylammonium bromide, published the following LD 50 data:
• Substituting formaldehyde by other aldehydes or ketones results in a 2-substituted 1, 3-dioxolane ( yield : 70 85 %, catalyst : tetraethylammonium bromide ).
• It also reacts with tetraethylammonium bromide in diglyme to give [ NEt 4 ] 2 [ ReBr 3 ( CO ) 3 ) ], an important precursor to compounds containing the rhenium tricarbonyl fragment.
• "' Tetraethylammonium bromide "'( TEAB ) is a quaternary ammonium compound with the chemical formula C 8 H 20 N + Br  ", often written as " Et 4 N + Br  " " in the chemical literature.
• In one subject, described as a " healthy woman ", 300 mg of tetraethylammonium bromide, i . v ., produced incapacitating " curariform " ( i . e ., resembling the effects of tubocurarine ) paralysis of the skeletal muscles, as well as marked drowsiness.