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Salicylaldehyde, or 2-hydroxybenzaldehyde, is the chemical compound with the formula C6H4CHO-2-OH . This colourless oily liquid has a bitter almond odor. Salicylaldehyde is a key precursor to a variety chelating agents, some of which are commercially important. It can be prepared from phenol and chloroform by heating with sodium hydroxide in a Reimer-Tiemann reaction.
Additional recommended knowledge
Salicylaldehyde is a common highly-functionalized arene that has often been exploited as a precursor to still other chemicals, which are shown in the figure, from the left: catechol, benzofuran, a salicylaldehydimine (R = alkyl or aryl), 3-carbethoxycoumarin.
Three isomers exist of hydroxybenzaldehyde with the hydroxyl group in the ortho, meta, or para position.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Salicylaldehyde". A list of authors is available in Wikipedia.