| dbo:abstract |
Adice halogenu je organická reakce, při které se navazuje molekula halogenu na dvojnou vazbu uhlík-uhlík u alkenu. Obecná rovnice reakce je: C=C + X2 → X−C−C−X (X je brom nebo chlor, rozpouštědlem zde může být CH2Cl2 nebo CCl4). Produktem je dihalogenid. Tento druh reakce patří mezi halogenace a elektrofilní adice. (cs) La halogenación de alquenos es una reacción química en la cual se adiciona un halógeno (generalmente Cl o Br) en cada uno de los carbonos adyacentes que se encuentran unidos por medio de un doble enlace. (es) A halogen addition reaction is a simple organic reaction where a halogen molecule is added to the carbon–carbon double bond of an alkene functional group. The general chemical formula of the halogen addition reaction is: C=C + X2 → X−C−C−X (X represents the halogens bromine or chlorine, and in this case, a solvent could be CH2Cl2 or CCl4). The product is a vicinal dihalide. This type of reaction is a halogenation and an electrophilic addition. (en) Een halogeenadditie is een chemische reactie waarbij een halogeen-molecuul wordt geaddeerd (toegevoegd) aan de dubbele binding (structuurformule: C=C) van een alkeen. (nl) Uma reação de adição de halogênio é uma reação orgânica simples onde uma molécula de halogênio é adicionada a uma ligação dupla carbono-carbono de um grupo funcional alqueno . A equação química geral da reação de adição de halogênio é: C=C + X2 → X−C−C−X X representa os halogênios bromo ou cloro, e neste caso, um solvente poderia ser CH2Cl2 ou CCl4). O produto é um dialeto vicinal. Este tipo de reação é uma halogenação e uma adição eletrofílica. (pt) 卤素加成反应，是指一类卤素分子进攻不饱和键引起的亲电加成反应。反应中，双键或三键中的π键被打开，与卤素原子形成新的σ键。该类加成反应主要是反式加成。 机理主要为碳正离子机理和环𬭩离子机理，也有离子对机理（如氯的顺式加成）。一般用氯、溴作为亲电试剂参与反应，需要极性物种催化。氟的加成因太剧烈而一般不采用，碘反应速率极慢。 (zh) |
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| rdfs:comment |
Adice halogenu je organická reakce, při které se navazuje molekula halogenu na dvojnou vazbu uhlík-uhlík u alkenu. Obecná rovnice reakce je: C=C + X2 → X−C−C−X (X je brom nebo chlor, rozpouštědlem zde může být CH2Cl2 nebo CCl4). Produktem je dihalogenid. Tento druh reakce patří mezi halogenace a elektrofilní adice. (cs) La halogenación de alquenos es una reacción química en la cual se adiciona un halógeno (generalmente Cl o Br) en cada uno de los carbonos adyacentes que se encuentran unidos por medio de un doble enlace. (es) A halogen addition reaction is a simple organic reaction where a halogen molecule is added to the carbon–carbon double bond of an alkene functional group. The general chemical formula of the halogen addition reaction is: C=C + X2 → X−C−C−X (X represents the halogens bromine or chlorine, and in this case, a solvent could be CH2Cl2 or CCl4). The product is a vicinal dihalide. This type of reaction is a halogenation and an electrophilic addition. (en) Een halogeenadditie is een chemische reactie waarbij een halogeen-molecuul wordt geaddeerd (toegevoegd) aan de dubbele binding (structuurformule: C=C) van een alkeen. (nl) Uma reação de adição de halogênio é uma reação orgânica simples onde uma molécula de halogênio é adicionada a uma ligação dupla carbono-carbono de um grupo funcional alqueno . A equação química geral da reação de adição de halogênio é: C=C + X2 → X−C−C−X X representa os halogênios bromo ou cloro, e neste caso, um solvente poderia ser CH2Cl2 ou CCl4). O produto é um dialeto vicinal. Este tipo de reação é uma halogenação e uma adição eletrofílica. (pt) 卤素加成反应，是指一类卤素分子进攻不饱和键引起的亲电加成反应。反应中，双键或三键中的π键被打开，与卤素原子形成新的σ键。该类加成反应主要是反式加成。 机理主要为碳正离子机理和环𬭩离子机理，也有离子对机理（如氯的顺式加成）。一般用氯、溴作为亲电试剂参与反应，需要极性物种催化。氟的加成因太剧烈而一般不采用，碘反应速率极慢。 (zh) |
| rdfs:label |
Adice halogenu (cs) Halogenación de alquenos (es) Halogen addition reaction (en) Halogeenadditie (nl) Reação de adição de halogênio (pt) 卤素加成反应 (zh) |
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