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NBS reacts with alkenes in aqueous solvents to give bromohydrins. The preferred conditions are the portionwise addition of NBS to a solution of the alkene in 50% aqueous DMSO, DME, THF, or tert-butanol at 0 °C. [3] Formation of a bromonium ion and immediate attack by water gives strong Markovnikov addition and anti stereochemical selectivities ...
Lava is a 2014 American animated musical short film produced by Pixar Animation Studios. [2] Directed and written by James Ford Murphy and produced by Andrea Warren, it premiered at the Hiroshima International Animation Festival on June 14, 2014, and was theatrically released alongside Pixar's Inside Out , on June 19, 2015.
Free-radical reactions depend on one or more relatively weak bonds in a reagent. Under reaction conditions (typically heat or light), some weak bonds homolyse into radicals, which then induce further decomposition in their compatriots before recombination. Different mechanisms typically apply to reagents without such a weak bond.
The same is true when an alkene reacts with water in an additional reaction to form an alcohol that involves carbocation formation. The hydroxyl group (OH) bonds to the carbon that has the greater number of carbon-carbon bonds, while the hydrogen bonds to the carbon on the other end of the double bond, that has more carbon–hydrogen bonds.
This is a list of animated short films produced by Pixar Animation Studios. Beginning with Pixar's first film Toy Story, almost all subsequent Pixar feature films have been shown in theaters along with a Pixar-created original short film, known as a "short." Other Pixar shorts, released only on home media, were created to showcase Pixar's ...
β-Hydride elimination is a reaction in which a metal-alkyl centre is converted into the corresponding metal-hydride-alkene. [1] β-Hydride elimination can also occur for many alkoxide complexes as well. The main requirements are that the alkyl group possess a C-H bond β to the metal and that the metal be coordinatively unsaturated.
A hydrohalogenation reaction is the electrophilic addition of hydrogen halides like hydrogen chloride or hydrogen bromide to alkenes to yield the corresponding haloalkanes. [ 1 ] [ 2 ] [ 3 ] If the two carbon atoms at the double bond are linked to a different number of hydrogen atoms, the halogen is found preferentially at the carbon with fewer ...
The iodinium ion is opened via S N 2 reaction by acetic acid (or silver acetate) to give the first intermediate, the iodo-acetate (4). Through anchimeric assistance, the iodine is displaced via another S N 2 reaction to give an oxonium ion (5), which is subsequently hydrolyzed to the give the mono-ester (6). The mechanism of the Woodward cis ...