hydroxymethyl
Noun: A univalent chemical group or radical (-CH₂OH) consisting of a methyl group (-CH₃) in which one hydrogen atom has been replaced by a hydroxyl group (-OH). It is a simple alcohol derivative and a common structural component in organic chemistry, particularly in sugars and other biochemical compounds.
The term "hydroxymethyl" is used specifically to name this functional group within the systematic nomenclature of organic compounds. It is a technical term primarily used in scientific contexts.
Examples: * The hydroxymethyl group is a key feature in the structure of many carbohydrates. * Formaldehyde can be considered the simplest aldehyde derived from hydroxymethyl. * The reaction introduces a hydroxymethyl group at the specified carbon atom.
- As a modifying prefix: In chemical names, "hydroxymethyl-" is used as a prefix to indicate the presence of the -CH₂OH group on a larger molecule.
- Example: 5-Hydroxymethylcytosine is an important modified base found in DNA.
- Hydroxymethylene (noun): An obsolete or alternative name sometimes used for the related formyl group (-CHO) or in specific chemical contexts, but it is not synonymous with hydroxymethyl. It refers to the divalent group =CHOH.
- Methanol (noun): The simplest alcohol (CH₃OH), which contains a methyl group bonded to a hydroxyl, but is a complete molecule, not just the radical.
- Methylene (noun): The divalent hydrocarbon group (-CH₂-), which forms the core of the hydroxymethyl group.
- Methanolyl (noun): A rarely used systematic synonym for the hydroxymethyl radical.
- -CH₂OH group (noun): A direct structural formula representation used as a synonym in chemical notation.
- Hydroxymethylation (noun): A chemical reaction that introduces a hydroxymethyl group (-CH₂OH) into a compound.
- Example: The hydroxymethylation of that aromatic ring proceeds under mild conditions.
- Hydroxymethylfurfural (HMF) (noun): An organic compound derived from dehydration of sugars, containing a hydroxymethyl group, which is a significant compound in food and biofuel chemistry.
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a methyl with hydroxide replacing the hydrogen atoms
