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  • ...lso contain organic modifiers, either aromatic acid esters and diesters or ethers. These catalysts are activated with special cocatalysts containing an orga
    25 KB (3,657 words) - 10:10, 20 September 2010
  • ...kening agent]]s like [[carrageenan]] and [[Cellulose#Derivatives|cellulose ethers]]. Sugar-free syrup will not contribute to [[dental caries]].
    7 KB (1,018 words) - 10:11, 20 September 2010
  • Dimethyl ethers of PEG are the key ingredient of [[Selexol]], a solvent used by [[coal]]-bu
    20 KB (2,883 words) - 10:12, 20 September 2010
  • ...ercial phenyl ether polymers belong to two chemical classes: '''polyphenyl ethers''' ('''PPE'''s) and '''[[Polyphenylene oxide]]s''' ('''PPO'''s). The pheno ...l polyether, but the name polyphenyl ether is widely accepted. Polyphenyl ethers (PPEs) are obtained by repeated application of the [[Ullmann condensation|U
    18 KB (2,654 words) - 10:18, 20 September 2010
  • ...c hydrocarbons, esters, polyglycols, silicones. polyphenyl and fluorinated ethers are the "raw materials" for Nye lubricants. But the tradition that began mo
    7 KB (1,050 words) - 10:18, 20 September 2010
  • 22 KB (3,351 words) - 21:30, 20 September 2010
  • ...[[ethylene glycol]], ethanolamines, simple and complex glycols, polyglycol ethers and other compounds. It is also a common gas-phase [[disinfectant]] which i Reactions with [[alcohol]]s proceed similarly yielding ethylene glycol ethers:
    82 KB (11,709 words) - 21:31, 20 September 2010
  • ...ond number refers to the number of those atoms that are [[oxygen]]. Crown ethers are much broader than the oligomers of ethylene oxide; an important group a ...orm salts that are soluble in nonpolar solvents, and for this reason crown ethers are useful in [[phase transfer catalysis]]. The [[ligand|denticity]] of th
    6 KB (864 words) - 20:14, 21 September 2010
  • ...their efforts in discovering and determining uses of cryptands and [[crown ethers]], thus launching the now flourishing field of [[supramolecular chemistry]] ...]], [[alkali]] metals, and [[alkaline earth metals]]. In contrast to crown ethers, cryptands bind the guest ions using both [[nitrogen]] and [[oxygen]] donor
    5 KB (728 words) - 20:14, 21 September 2010
  • ...s a particular affinity for potassium cations. The synthesis of the crown ethers led to the Nobel Prize in Chemistry to [[Charles J. Pedersen]]. Crown ethers are useful as [[phase transfer catalyst]]s.<ref>Liotta, C. L.; Berknerin, J
    3 KB (449 words) - 20:14, 21 September 2010
  • ...but the [[repeating unit]] (ethyleneimine) is always the same. Like crown ethers, cyclen compounds are capable of selectively binding [[cation]]s. They are
    4 KB (531 words) - 20:15, 21 September 2010
  • ...lacrown nomenclature has been developed to mimic the nomenclature of crown ethers, which are named by the total number of atoms in the ring, followed by “C [[Category:Crown ethers]]
    9 KB (1,186 words) - 20:16, 21 September 2010
  • |Structures of common crown ethers: [[12-crown-4]], [[15-crown-5]], [[18-crown-6]], [[dibenzo-18-crown-6]], an ...tability constants and thermodynamic functions of metal complexes of crown ethers (IUPAC Technical Report)
    50 KB (7,450 words) - 20:16, 21 September 2010
  • 25 KB (3,607 words) - 20:18, 21 September 2010
  • ...up>3+</sup> and [[Ferricyanide|[Fe(CN)<sub>6</sub>]<sup>3-</sup>]]. Crown-ethers bind to polyamine complexes through their second coordination sphere.<ref>L
    3 KB (492 words) - 20:18, 21 September 2010
  • ...ground-state; that is, they have lone electron pairs (e.g. water, amines, ethers), so these substrates need an empty orbital to be able to react with a meta
    25 KB (3,677 words) - 20:18, 21 September 2010
  • ...LM, Howell WC, Woolford RG. TOXIC FLUORINE COMPOUNDS: XIII. ω-FLUOROALKYL ETHERS. ''Canadian Journal of Chemistry''. 1957 Feb;35(2):141-148.]</ref> Fluoroac
    4 KB (545 words) - 22:09, 21 September 2010
  • [[Category:Ethers]]
    59 KB (8,561 words) - 22:13, 21 September 2010
  • [[Category:Phenol ethers]]
    4 KB (591 words) - 22:13, 21 September 2010
  • [[Category:Phenol ethers]]
    30 KB (4,151 words) - 22:14, 21 September 2010

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