npropüülrühm

n-Propüülrühm is a term used in organic chemistry to describe a specific type of alkyl substituent. It is derived from the alkane propane by removing one hydrogen atom from a terminal carbon. The chemical formula for the n-propüülrühm is CH3CH2CH2-. The "n-" prefix stands for "normal," indicating that the propyl group is attached to a main chain through its terminal carbon atom, meaning it is unbranched.

This group is a common structural feature in many organic molecules. For instance, it can be found in molecules like propanol (CH3CH2CH2OH), where it is attached to a hydroxyl group. It can also be part of larger hydrocarbon chains or rings. The n-propüülrühm is one of two common isomeric propyl groups; the other is the isopropyl group (CH(CH3)2), where the attachment is made to the central carbon atom of the propane backbone. The distinction between n-propüülrühm and isopropyl is crucial in determining the physical and chemical properties of a molecule, as isomerism can significantly affect reactivity, boiling point, and solubility. Understanding the n-propüülrühm is fundamental to naming and interpreting the structures of organic compounds.