<oai_dc:dc xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
  <dc:creator>Bergougnant, Rémi D.</dc:creator>
  <dc:creator>Robin, Adeline Y.</dc:creator>
  <dc:creator>Fromm, Katharina M.</dc:creator>
  <dc:date>2007-07-20</dc:date>
  <dc:description xmlns:ns0="xml" ns0:lang="en">The macrocycle 4-&lt;i&gt;tert&lt;/i&gt;-butylcalix[8]arene (L) was reacted with alkali metal carbonates (Li₂CO₃, Na₂CO₃, K₂CO₃, Rb₂CO₃, and Cs₂CO₃) at the interface of a biphasic THF/water system. Needle-like crystals with a general formula [A&lt;i&gt;&lt;sub&gt;x&lt;/sub&gt;&lt;/i&gt;(4-&lt;i&gt;tert&lt;/i&gt;-butylcalix[8]arene-&lt;i&gt;x&lt;/i&gt;H)(THF)&lt;i&gt;&lt;sub&gt;y&lt;/sub&gt;&lt;/i&gt;(H₂O)&lt;i&gt;&lt;sub&gt;z&lt;/sub&gt;&lt;/i&gt;] (with A=Li, Na, K, Rb, Cs, &lt;i&gt;x&lt;/i&gt;=1, 2, &lt;i&gt;y&lt;/i&gt;=4, 5, 8, and &lt;i&gt;z&lt;/i&gt;=6, 7) were thereby obtained. The solid state structures were investigated by X-ray diffraction of single crystals and by TGA measurements. They do not appear to be maintained in solution.</dc:description>
  <dc:format>application/pdf</dc:format>
  <dc:identifier>https://folia.unifr.ch/global/documents/300451</dc:identifier>
  <dc:identifier>https://folia.unifr.ch/documents/300451/files/fromm_fsr.pdf</dc:identifier>
  <dc:language>eng</dc:language>
  <dc:relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.tet.2007.07.048</dc:relation>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:rights>License undefined</dc:rights>
  <dc:source>Tetrahedron. - 2007, vol. 63, no. 44, p. 10751-10757</dc:source>
  <dc:subject xmlns:ns1="xml" ns1:lang="en">alkali metal ions</dc:subject>
  <dc:subject xmlns:ns2="xml" ns2:lang="en">water aggregates</dc:subject>
  <dc:subject xmlns:ns3="xml" ns3:lang="en">4-tert-Butylcalix[8]arene</dc:subject>
  <dc:subject xmlns:ns4="xml" ns4:lang="en">channel structures</dc:subject>
  <dc:subject>info:eu-repo/classification/udc/54</dc:subject>
  <dc:title xmlns:ns5="xml" ns5:lang="en">From simple rings to one-dimensional channels with calix[8]arenes, water clusters, and alkali metal ions</dc:title>
  <dc:type>http://purl.org/coar/resource_type/c_6501</dc:type>
</oai_dc:dc>