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A homologation reaction, also known as homologization, is any chemical reaction that effects an overall increase of the carbon skeleton of a saturated reactant molecule. The reactants undergo a homologation converting them into the next member of the homologous series. For example the reaction of aldehydes and ketones with diazomethane or methoxymethylenetriphenylphosphine effectively inserts a methylene (-CH2-) unit in the hydrocarbon chain and the reaction product is the next homologue.
Examples of homologation reactions include:
Some reactions increase the chain length by more than one unit. For example, the following are considered two-carbon homologation reactions:
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Homologation_reaction". A list of authors is available in Wikipedia.|