Alkyl

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(Redirected from Nonyl)

Alkyl Nomenclature[edit | edit source]

Alkyl groups are a type of hydrocarbon substituent derived from alkanes by the removal of one hydrogen atom. They are often represented by the symbol "R" in chemical structures. The nomenclature of alkyl groups follows specific rules set by the International Union of Pure and Applied Chemistry (IUPAC).

Basic Principles[edit | edit source]

The name of an alkyl group is derived from the name of the parent alkane by replacing the "-ane" suffix with "-yl." For example, the alkyl group derived from methane (CH₄) is called a methyl group (CH₃-).

Common Alkyl Groups[edit | edit source]

  • **Methyl (CH₃-)**: Derived from methane.
  • **Ethyl (C₂H₅-)**: Derived from ethane.
  • **Propyl (C₃H₇-)**: Derived from propane.
  • **Butyl (C₄H₉-)**: Derived from butane.

Branched Alkyl Groups[edit | edit source]

Branched alkyl groups are named based on the longest continuous chain of carbon atoms. The branches are named as substituents and their positions are indicated by numbers.

  • **Isopropyl (CH₃-CH-CH₃)**: A three-carbon chain with a branch at the second carbon.
  • **Sec-butyl (CH₃-CH₂-CH-CH₃)**: A four-carbon chain with a branch at the second carbon.
  • **Tert-butyl (C(CH₃)₃)**: A four-carbon chain with a branch at the first carbon.

Complex Alkyl Groups[edit | edit source]

For more complex alkyl groups, the IUPAC rules for naming are applied. The longest continuous chain is identified, and the substituents are named and numbered to give the lowest possible numbers.

Related Concepts[edit | edit source]

See Also[edit | edit source]

References[edit | edit source]

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