Alkylation - Wikipedia
Alkylation is a chemical reaction that entails transfer of an alkyl group. The alkyl group may be transferred as an alkyl carbocation, a free radical, a carbanion, or a carbene (or their equivalents). [1] . Alkylating agents are reagents for effecting alkylation. Alkyl groups can also be removed in a process known as dealkylation.
Alkylation - an overview | ScienceDirect Topics
Alkylation is a process that unites isoparaffins such as isobutane with olefins to produce a high-octane product, called alkylate. This product is then blended into premium motor gasoline and aviation gasoline to increase product quality.
Alkylation - an overview | ScienceDirect Topics
The attachment of an alkyl group to a selected molecular structure is called alkylation. We will encounter this method of forming carbon–carbon bonds repeatedly in later chapters dealing with other functional groups. Alkylation is one of the fundamental reactions …
烷基化反应 - 百度百科
烷基化反应（Alkylation reaction）指向有机物分子中的碳、氮、氧等原子中引入烷基(-R)的反应，简称烷基化。 常用的烷基化剂有烯烃、卤代烷烃、硫酸烷酯和醇等。
Alkylation - an overview | ScienceDirect Topics
In the alkylation process, small molecules produced by thermal cracking are recombined in the presence of a catalyst. This produces branched molecules in the gasoline boiling range that have superior properties, for example, higher antiknock ratings as a fuel for high-powered internal combustion engines that are used today in the automotive ...
Alkylation Reactions | Development, Technology - METTLER …
Alkylation is an important reaction for the production of fuels from petroleum. The alkylation process produces alkylate from propylene, butylene and isobutane (i.e. alkylating olefins to form longer branched-chain hydrocarbons). The gaseous feedstock for the alkylating reaction comes from the oil refining process (i.e. the gases are recycled).
3.4: Alkylation and Acylation of Aromatic Rings - Chemistry …
2024年11月19日 · Friedel-Crafts Alkylation. Friedel-Crafts Alkylation was first discovered by French scientist Charles Friedel and his partner, American scientist James Crafts, in 1877. This reaction allowed for the formation of alkyl benzenes from alkyl halides, but was plagued with unwanted supplemental activity that reduced its effectiveness.
Alkylation - chemeurope.com
Alkylation is the transfer of an alkyl group from one molecule to another. The alkyl group may be transferred as an alkyl carbocation, a free radical, a carbanion or a carbene (or their equivalents). Alkylating agents are widely used in chemistry because the alkyl group is probably the most common group encountered in organic molecules.
Alkylation | FSC 432: Petroleum Refining - John A. Dutton e …
The alkylation process combines light iso-paraffins, most commonly isobutane, with C 3 –C 4 olefins, to produce a mixture of higher molecular weight iso-paraffins (i.e., alkylate) as a high-octane number blending component for the gasoline pool.
Alkylation - Chemistry LibreTexts
2022年2月28日 · An alkylation is a reaction or a reaction sequence that introduces one or more alkyl groups to a molecule by replacing hydrogen atoms or lone pairs with alkyl groups. eg. 1: eg. 2: