Surprises in the energetics of host-guest anion binding to calix[4]pyrrole

Organic Letters

Volumn 4, Issue 3, 2002, Pages 431-434

  Schmidtchen, Franz P ^a  

^a TECHNICAL UNIVERSITY OF MUNICH   (Germany)

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ARTICLE;

EID: 0001571166     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol017137u     Document Type: Article

References (20)

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18. It turned out that calix[4]pyrrole is relatively unstable in solution as judged from the yellow color developing overnight. The calorimetric results reported were always obtained with freshly prepared solutions.
19. A fully computer-operated MCS ITC instrument from Microcal, MA in combination with Origin 5.0 data evaluation software was used.
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