Supramolecular host–guest complexation of Lash's calix[4]azulene with tetraalkylammonium halides and tetrafluoroborate salts: binding and DFT computational studies
Synthesis of a Tetraazulene Porphodimethene Analogue
作者:Timothy D. Lash、Jessica A. El-Beck、Denise A. Colby
DOI:10.1021/jo901959k
日期:2009.11.20
Substituted calix[4]azulenes were prepared by reacting 6-alkylazulenes with paraformaldehyde in the presence of florisil. Hydride abstraction of a calix[4]azulene with Ph3CPF6 afforded a tetraazulene analogue of the porphodimethenes.
Calix[4]azulene
作者:Denise A. Colby、Timothy D. Lash
DOI:10.1021/jo0110101
日期:2002.2.1
Azulene reacts with paraformaldehyde in the presence of florisil to give excellent yields of calix[4]azulene.