JoVE Science Education > アルケンの反応

第８章

アルケンの反応

無料サンプル

Free access at this time

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. ...

無料サンプル

Free access at this time

フリーラジカル連鎖反応とアルケンの重合

The conversion of alkenes to macromolecules called polymers is a reaction of high commercial importance. The structure of the polymer is defined by a ...

無料サンプル

Free access at this time

アルケンのハロゲン化

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 ...

無料サンプル

Free access at this time

アルケンからのハロヒドリンの形成

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 ...

無料サンプル

Free access at this time

アルケンの酸触媒による水和

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, ...

無料サンプル

Free access at this time

酸触媒水和の位置選択性と立体化学

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 ...

無料サンプル

Free access at this time

アルケンのオキシ水銀化還元

Oxymercuration–reduction of alkenes is one of the major reactions converting alkenes to alcohols. It involves the hydration of alkenes with mercuric ...

無料サンプル

Free access at this time

ヒドロホウ素化-アルケンの酸化

In addition to the oxymercuration–demercuration method, which converts the alkenes to alcohols with Markovnikov orientation, a complementary ...

無料サンプル

Free access at this time

ヒドロホウ素化の位置選択性と立体化学

A significant aspect of hydroboration–oxidation is the regio- and stereochemical outcome of the reaction. Hydroboration proceeds in a concerted ...

無料サンプル

Free access at this time

アルケンの酸化:四酸化オスミウムによるSynジヒドロキシル化

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 ...

無料サンプル

Free access at this time

アルケンの酸化:過マンガン酸カリウムによるSynジヒドロキシル化

Alkenes can be dihydroxylated using potassium permanganate. The method encompasses the reaction of an alkene with a cold, dilute solution of ...

無料サンプル

Free access at this time

アルケンの酸化:ペルオキシ酸による抗ジヒドロキシル化

Diols are compounds with two hydroxyl groups. In addition to syn dihydroxylation, diols can also be synthesized through the process of anti ...

無料サンプル

Free access at this time

アルケンの酸化的切断:オゾン分解

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. ...

無料サンプル

Free access at this time

アルケンの還元:接触水素化

Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a ...

無料サンプル

Free access at this time

アルケンの還元:不斉触媒水素化

Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of ...