Capítulo 8
Reacciones de los alquenos
Free Sample
Free access at this time
Regioselectividad de las adiciones electrofílicas - Efecto peróxido
In the presence of organic peroxides, the addition of hydrogen bromide to an alkene yields the isomer that is not predicted by Markovnikov’s rule. ...
Free Sample
Free access at this time
Reacción en cadena de radicales libres y polimerización de alquenos
The conversion of alkenes to macromolecules called polymers is a reaction of high commercial importance. The structure of the polymer is defined by a ...
Free Sample
Free access at this time
Halogenación de alquenos
Halogenation is the addition of chlorine or bromine across the double bond in an alkene to yield a vicinal dihalide. The reaction occurs in the presence ...
Free Sample
Free access at this time
Formación de halohidrina a partir de alquenos
An alkene, such as propene, reacts with bromine in the presence of water to yield a halohydrin. Halohydrins contain a halogen and a hydroxyl group ...
Free Sample
Free access at this time
Hidratación de alquenos catalizada por ácido
Alkenes react with water in the presence of an acid to form an alcohol. In the absence of acid, hydration of alkenes does not occur at a significant rate, ...
Free Sample
Free access at this time
Regioselectividad y estereoquímica de la hidratación catalizada por ácido
The rate of acid-catalyzed hydration of alkenes depends on the alkene's structure, as the presence of alkyl substituents at the double bond can ...
Free Sample
Free access at this time
Oximercuriación-Reducción de alquenos
Oxymercuration–reduction of alkenes is one of the major reactions converting alkenes to alcohols. It involves the hydration of alkenes with mercuric ...
Free Sample
Free access at this time
Hidroboración-Oxidación de Alquenos
In addition to the oxymercuration–demercuration method, which converts the alkenes to alcohols with Markovnikov orientation, a complementary ...
Free Sample
Free access at this time
Regioselectividad y estereoquímica de la hidroboración
A significant aspect of hydroboration–oxidation is the regio- and stereochemical outcome of the reaction.
Hydroboration proceeds in a concerted ...
Free Sample
Free access at this time
Oxidación de alquenos: Dihidroxilación syn con Tetraóxido de Osmio
Alkenes are converted to 1,2-diols or glycols through a process called dihydroxylation. It involves the addition of two hydroxyl groups across the double ...
Free Sample
Free access at this time
Oxidación de alquenos: Dihidroxilación syn con permanganato de potasio
Alkenes can be dihydroxylated using potassium permanganate. The method encompasses the reaction of an alkene with a cold, dilute solution of ...
Free Sample
Free access at this time
Oxidación de alquenos: Anti dihidroxilación con peroxiácidos
Diols are compounds with two hydroxyl groups. In addition to syn dihydroxylation, diols can also be synthesized through the process of anti ...
Free Sample
Free access at this time
Escisión oxidativa de los alquenos: Ozonólisis
In ozonolysis, ozone is used to cleave a carbon–carbon double bond to form aldehydes and ketones, or carboxylic acids, depending on the work-up.
...
Free Sample
Free access at this time
Reducción de alquenos: Hidrogenación catalítica
Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a ...
Free Sample
Free access at this time
Reducción de alquenos: Hidrogenación catalítica asimétrica
Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of ...
ACERCA DE JoVE
Copyright © 2025 MyJoVE Corporation. Todos los derechos reservados