Chemicals and Drugs

Crown Ethers

Macrocyclic polyethers with the repeating unit of (-CH2-CH2-O)n where n is greater than 2 and some oxygens may be replaced by nitrogen, sulfur or phosphorus. These compounds are useful for coordinating CATIONS. The nomenclature uses a prefix to indicate the size of the ring and a suffix for the number of heteroatoms.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Macrocyclic polyethers with the repeating unit of (-CH2-CH2-O)n where n is greater than 2 and some oxygens may be replaced by nitrogen, sulfur or phosphorus. These compounds are useful for coordinating CATIONS. The nomenclature uses a prefix to indicate the size of the ring and a suffix for the number of heteroatoms.

MeSH Record

Classification

Related Concepts

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

8 entry terms
  • Crown Ether
  • Aza-Oxa Crown Ethers
  • Cryptands
  • Cryptate
  • Cryptates
  • Oxa-Thia Crown Ethers
  • Aza Oxa Crown Ethers
  • Oxa Thia Crown Ethers

MeSH Record

Aspects Covered

24 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, economics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

History Note

2004; use ETHERS, CYCLIC 1993-2003; CROWN COMPOUNDS was NM 1976-1992

MeSH Record

Previous Indexing

  • Ethers, Cyclic (1974-2003)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Crown Ethers. Medical Subject Headings (MeSH). 2026. Unique ID D043844. http://id.nlm.nih.gov/mesh/2026/D043844
  2. Crown Ethers. In: Wikipedia. https://en.wikipedia.org/wiki/Crown_ether
  3. Crown Ethers. In: Wikidata. https://www.wikidata.org/wiki/Q410125