ten-membered
Học thuậtThân thiện
Definition
Adjective: - Pertaining to or describing a chemical compound whose molecular structure contains a ring consisting of ten atoms. The term specifies the size of the ring system.
Usage
- This term is used exclusively in scientific contexts, particularly in chemistry and biochemistry, to describe the architecture of cyclic (ring-shaped) molecules.
- It is a classifying adjective, typically placed before the noun it modifies (e.g., a ten-membered ring).
Examples
- The synthesis of the complex natural product required the formation of a stable ten-membered lactone ring.
- This antibiotic's activity is attributed to its unique ten-membered macrocyclic structure.
- Researchers are studying the conformational flexibility of these ten-membered cyclic compounds.
Advanced Usage
- The term is often part of a hyphenated compound adjective when it directly precedes the noun it describes (e.g., ). When used predicatively (after a linking verb), it may sometimes be written without a hyphen (e.g., "The ring is ten membered"), though the hyphenated form is common in all positions in technical writing.
- It is a precise descriptor; the "members" refer to the atoms (commonly carbon, but also oxygen, nitrogen, etc.) that constitute the ring's backbone.
Variants and Related Words
- Macrocycle (noun): A cyclic molecule with a ring of twelve or more atoms. A ten-membered ring is often considered a medium or large ring, approaching macrocyclic size.
- Ring size (noun phrase): A general term for the number of atoms in a cyclic structure, of which "ten-membered" is a specific instance.
- Decalin (noun): A specific organic compound featuring two fused six-membered rings, not a ten-membered single ring, but sometimes referenced in discussions of ring systems and conformations.
Synonyms
- 10-membered (adjective): An identical synonym, using the numeral instead of the word.
- Ten-atom ring (noun phrase): A less common, more descriptive synonym focusing on the components.
Related Phrases / Terminology
- Medium-ring compound (noun phrase): In organic chemistry, rings with 8-11 members are often classified as medium-sized rings, which possess unique conformational and synthetic challenges. A ten-membered ring falls into this category.
- Ring strain (noun phrase): The instability caused by bond angle distortion in cyclic compounds. Ten-membered rings often exhibit specific types of ring strain and conformational flexibility.
Adjective
- of a chemical compound having a ring with ten members