Search on: CROWN ETHERS 
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Descriptor English:   Crown Ethers 
Descriptor Spanish:   Éteres Corona 
Descriptor Portuguese:   Éteres de Coroa 
Synonyms English:   Aza Oxa Crown Ethers
Aza-Oxa Crown Ethers
Crown Ethers, Aza-Oxa
Crown Ethers, Oxa-Thia
Ethers, Aza-Oxa Crown
Ethers, Crown
Ethers, Oxa-Thia Crown
Oxa Thia Crown Ethers
Oxa-Thia Crown Ethers  
Tree Number:   D02.355.291.308
Definition English:   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. 
History Note English:   2004; use ETHERS, CYCLIC 1993-2003; CROWN COMPOUNDS was NM 1976-1992 
Allowable Qualifiers English:  
AD administration & dosage AE adverse effects
AG agonists AN analysis
AI antagonists & inhibitors BL blood
CF cerebrospinal fluid CS chemical synthesis
CH chemistry CL classification
EC economics HI history
IM immunology IP isolation & purification
ME metabolism PK pharmacokinetics
PD pharmacology PO poisoning
RE radiation effects ST standards
SD supply & distribution TU therapeutic use
TO toxicity UR urine
Record Number:   38071 
Unique Identifier:   D043844 

Occurrence in VHL: